crowdsource-backend.log.2021-04-30.log 2.5 MB

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  1. 09:57:58.669 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  2. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  3. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  4. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  5. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  6. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  7. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  8. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  9. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  10. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  11. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  12. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  13. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  14. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  15. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  16. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  17. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=167MB
  18. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  19. 09:57:58.814 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=340MB
  20. 09:57:58.857 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  21. 09:57:58.865 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@52b6319f
  22. 09:57:58.891 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  23. 09:57:58.992 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  24. 09:57:59.003 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  25. 09:57:59.113 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61746, server: 101.37.175.111/101.37.175.111:2181
  26. 09:57:59.177 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd44, negotiated timeout = 40000
  27. 09:57:59.192 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  28. 09:58:01.856 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  29. 09:58:01.876 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  30. 09:58:02.426 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  31. 09:58:02.448 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 18ms. Found 0 repository interfaces.
  32. 09:58:02.580 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  33. 09:58:02.732 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  34. 09:58:03.007 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  35. 09:58:03.025 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  36. 09:58:03.025 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  37. 09:58:03.113 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  38. 09:58:03.113 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 1230 ms
  39. 09:58:03.376 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  40. 09:58:03.414 [cluster-ClusterId{value='608b642b6adc049c54f48baf', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:110}] to localhost:27017
  41. 09:58:03.417 [cluster-ClusterId{value='608b642b6adc049c54f48baf', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=1846016}
  42. 09:58:03.693 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:111}] to localhost:27017
  43. 09:58:03.913 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  44. 09:58:03.914 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  45. 09:58:03.917 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  46. 09:58:03.917 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  47. 09:58:04.073 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  48. 09:58:04.230 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  49. 09:58:04.441 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  50. 09:58:04.486 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  51. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  52. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  53. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  54. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  55. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  56. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  57. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  58. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  59. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  60. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  61. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  62. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  63. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  64. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  65. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  66. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  67. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  68. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  69. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  70. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  71. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  72. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  73. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  74. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  75. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  76. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  77. at edu.nju.BugApplication.main(BugApplication.java:31)
  78. 09:58:04.588 [main] INFO edu.nju.BugApplication - Started BugApplication in 6.339 seconds (JVM running for 11.963)
  79. 09:58:04.697 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  80. 09:58:04.713 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  81. 09:58:04.714 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@1fe201ad
  82. 09:58:04.714 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  83. 09:58:04.714 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  84. 09:58:04.714 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  85. 09:58:04.771 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61790, server: 101.37.175.111/101.37.175.111:2181
  86. 09:58:04.853 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd45, negotiated timeout = 40000
  87. 09:58:04.853 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  88. 09:58:07.569 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  89. 09:58:07.586 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  90. 09:58:07.593 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.941 seconds (JVM running for 14.967)
  91. 09:58:07.594 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  92. 09:58:07.667 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd45 closed
  93. 09:58:07.667 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd45
  94. 09:58:07.683 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  95. 09:58:07.716 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  96. 09:58:07.731 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  97. 09:58:07.732 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@6f97e225
  98. 09:58:07.732 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  99. 09:58:07.732 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  100. 09:58:07.732 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  101. 09:58:07.787 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61812, server: 101.37.175.111/101.37.175.111:2181
  102. 09:58:07.853 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd46, negotiated timeout = 40000
  103. 09:58:07.853 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  104. 09:58:09.488 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  105. 09:58:09.489 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  106. java.net.ConnectException: Connection refused (Connection refused)
  107. at java.net.PlainSocketImpl.socketConnect(Native Method)
  108. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  109. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  110. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  111. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  112. at java.net.Socket.connect(Socket.java:589)
  113. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  114. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  115. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  116. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  117. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  118. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  119. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  120. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  121. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  122. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  123. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  124. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  125. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  126. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  127. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  128. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  129. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  130. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  131. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  132. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  133. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  134. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  135. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  136. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  137. at java.lang.Thread.run(Thread.java:748)
  138. 09:58:09.489 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  139. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  140. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  141. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  142. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  143. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  144. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  145. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  146. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  147. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  148. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  149. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  150. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  151. at java.lang.Thread.run(Thread.java:748)
  152. 09:58:09.489 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  153. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  154. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  155. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  156. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  157. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  158. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  159. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  160. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  161. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  162. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  163. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  164. at java.lang.Thread.run(Thread.java:748)
  165. 09:58:10.573 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  166. 09:58:10.585 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  167. 09:58:10.592 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.909 seconds (JVM running for 17.966)
  168. 09:58:10.592 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  169. 09:58:10.659 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd46 closed
  170. 09:58:10.660 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd46
  171. 09:58:10.687 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  172. 09:58:10.752 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  173. 09:58:10.778 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  174. 09:58:10.778 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@495e221b
  175. 09:58:10.779 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  176. 09:58:10.779 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  177. 09:58:10.779 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  178. 09:58:10.842 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61840, server: 101.37.175.111/101.37.175.111:2181
  179. 09:58:10.917 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd47, negotiated timeout = 40000
  180. 09:58:10.917 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  181. 09:58:13.635 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  182. 09:58:13.645 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  183. 09:58:13.650 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.961 seconds (JVM running for 21.025)
  184. 09:58:13.651 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  185. 09:58:13.714 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd47 closed
  186. 09:58:13.715 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd47
  187. 09:58:13.731 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  188. 09:58:13.766 [http-nio-8090-exec-1] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring DispatcherServlet 'dispatcherServlet'
  189. 09:58:13.766 [http-nio-8090-exec-1] INFO o.s.web.servlet.DispatcherServlet - Initializing Servlet 'dispatcherServlet'
  190. 09:58:13.774 [http-nio-8090-exec-1] INFO o.s.web.servlet.DispatcherServlet - Completed initialization in 8 ms
  191. 09:58:13.782 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  192. 09:58:13.796 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  193. 09:58:13.796 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@5547da41
  194. 09:58:13.796 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  195. 09:58:13.797 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  196. 09:58:13.797 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  197. 09:58:13.842 [http-nio-8090-exec-2] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:3, serverValue:112}] to localhost:27017
  198. 09:58:13.906 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61869, server: 101.37.175.111/101.37.175.111:2181
  199. 09:58:13.987 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd48, negotiated timeout = 40000
  200. 09:58:13.987 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  201. 09:58:14.493 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  202. 09:58:14.493 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  203. java.net.ConnectException: Connection refused (Connection refused)
  204. at java.net.PlainSocketImpl.socketConnect(Native Method)
  205. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  206. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  207. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  208. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  209. at java.net.Socket.connect(Socket.java:589)
  210. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  211. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  212. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  213. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  214. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  215. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  216. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  217. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  218. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  219. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  220. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  221. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  222. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  223. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  224. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  225. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  226. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  227. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  228. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  229. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  230. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  231. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  232. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  233. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  234. at java.lang.Thread.run(Thread.java:748)
  235. 09:58:14.493 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  236. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  237. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  238. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  239. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  240. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  241. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  242. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  243. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  244. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  245. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  246. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  247. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  248. at java.lang.Thread.run(Thread.java:748)
  249. 09:58:14.494 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  250. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  251. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  252. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  253. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  254. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  255. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  256. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  257. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  258. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  259. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  260. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  261. at java.lang.Thread.run(Thread.java:748)
  262. 09:58:18.022 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  263. 09:58:18.043 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  264. 09:58:18.053 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 4.32 seconds (JVM running for 25.427)
  265. 09:58:18.053 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  266. 09:58:18.126 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd48
  267. 09:58:18.126 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd48 closed
  268. 09:58:18.143 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  269. 09:58:18.177 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  270. 09:58:18.190 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  271. 09:58:18.191 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@3c8e5d61
  272. 09:58:18.191 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  273. 09:58:18.191 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  274. 09:58:18.191 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  275. 09:58:18.249 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61906, server: 101.37.175.111/101.37.175.111:2181
  276. 09:58:18.329 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd49, negotiated timeout = 40000
  277. 09:58:18.329 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  278. 09:58:19.497 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  279. 09:58:19.497 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  280. java.net.ConnectException: Connection refused (Connection refused)
  281. at java.net.PlainSocketImpl.socketConnect(Native Method)
  282. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  283. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  284. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  285. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  286. at java.net.Socket.connect(Socket.java:589)
  287. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  288. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  289. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  290. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  291. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  292. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  293. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  294. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  295. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  296. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  297. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  298. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  299. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  300. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  301. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  302. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  303. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  304. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  305. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  306. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  307. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  308. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  309. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  310. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  311. at java.lang.Thread.run(Thread.java:748)
  312. 09:58:19.497 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  313. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  314. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  315. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  316. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  317. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  318. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  319. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  320. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  321. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  322. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  323. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  324. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  325. at java.lang.Thread.run(Thread.java:748)
  326. 09:58:19.498 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  327. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  328. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  329. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  330. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  331. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  332. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  333. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  334. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  335. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  336. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  337. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  338. at java.lang.Thread.run(Thread.java:748)
  339. 09:58:21.080 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  340. 09:58:21.088 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  341. 09:58:21.092 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.948 seconds (JVM running for 28.467)
  342. 09:58:21.093 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  343. 09:58:21.158 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd49 closed
  344. 09:58:21.158 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd49
  345. 09:58:21.171 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  346. 09:58:21.201 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  347. 09:58:21.212 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  348. 09:58:21.212 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@5ca1a9ed
  349. 09:58:21.212 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  350. 09:58:21.213 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  351. 09:58:21.213 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  352. 09:58:21.272 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61931, server: 101.37.175.111/101.37.175.111:2181
  353. 09:58:21.346 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd4a, negotiated timeout = 40000
  354. 09:58:21.346 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  355. 09:58:24.261 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  356. 09:58:24.268 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  357. 09:58:24.273 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.101 seconds (JVM running for 31.647)
  358. 09:58:24.273 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  359. 09:58:24.336 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd4a closed
  360. 09:58:24.336 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd4a
  361. 09:58:24.349 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  362. 09:58:24.382 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  363. 09:58:24.393 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  364. 09:58:24.393 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@529d95f6
  365. 09:58:24.393 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  366. 09:58:24.393 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  367. 09:58:24.393 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  368. 09:58:24.445 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61953, server: 101.37.175.111/101.37.175.111:2181
  369. 09:58:24.501 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  370. 09:58:24.501 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  371. java.net.ConnectException: Connection refused (Connection refused)
  372. at java.net.PlainSocketImpl.socketConnect(Native Method)
  373. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  374. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  375. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  376. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  377. at java.net.Socket.connect(Socket.java:589)
  378. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  379. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  380. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  381. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  382. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  383. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  384. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  385. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  386. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  387. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  388. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  389. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  390. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  391. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  392. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  393. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  394. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  395. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  396. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  397. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  398. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  399. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  400. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  401. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  402. at java.lang.Thread.run(Thread.java:748)
  403. 09:58:24.502 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  404. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  405. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  406. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  407. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  408. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  409. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  410. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  411. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  412. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  413. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  414. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  415. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  416. at java.lang.Thread.run(Thread.java:748)
  417. 09:58:24.502 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  418. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  419. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  420. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  421. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  422. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  423. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  424. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  425. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  426. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  427. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  428. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  429. at java.lang.Thread.run(Thread.java:748)
  430. 09:58:24.555 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd4b, negotiated timeout = 40000
  431. 09:58:24.555 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  432. 09:58:27.437 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  433. 09:58:27.448 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  434. 09:58:27.455 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.105 seconds (JVM running for 34.829)
  435. 09:58:27.455 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  436. 09:58:27.519 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd4b closed
  437. 09:58:27.519 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd4b
  438. 09:58:27.531 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  439. 09:58:27.560 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  440. 09:58:27.570 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  441. 09:58:27.570 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@30e8d803
  442. 09:58:27.570 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  443. 09:58:27.571 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  444. 09:58:27.571 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  445. 09:58:27.637 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61977, server: 101.37.175.111/101.37.175.111:2181
  446. 09:58:28.140 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd4c, negotiated timeout = 40000
  447. 09:58:28.140 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  448. 09:58:29.506 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  449. 09:58:29.506 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  450. java.net.ConnectException: Connection refused (Connection refused)
  451. at java.net.PlainSocketImpl.socketConnect(Native Method)
  452. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  453. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  454. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  455. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  456. at java.net.Socket.connect(Socket.java:589)
  457. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  458. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  459. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  460. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  461. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  462. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  463. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  464. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  465. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  466. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  467. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  468. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  469. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  470. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  471. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  472. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  473. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  474. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  475. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  476. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  477. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  478. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  479. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  480. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  481. at java.lang.Thread.run(Thread.java:748)
  482. 09:58:29.507 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  483. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  484. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  485. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  486. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  487. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  488. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  489. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  490. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  491. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  492. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  493. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  494. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  495. at java.lang.Thread.run(Thread.java:748)
  496. 09:58:29.507 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  497. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  498. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  499. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  500. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  501. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  502. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  503. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  504. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  505. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  506. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  507. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  508. at java.lang.Thread.run(Thread.java:748)
  509. 09:58:30.878 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  510. 09:58:30.889 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  511. 09:58:30.894 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.362 seconds (JVM running for 38.269)
  512. 09:58:30.895 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  513. 09:58:30.952 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd4c closed
  514. 09:58:30.952 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd4c
  515. 09:58:30.966 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  516. 09:58:31.006 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  517. 09:58:31.018 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  518. 09:58:31.018 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@57fc1723
  519. 09:58:31.018 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  520. 09:58:31.019 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  521. 09:58:31.019 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  522. 09:58:31.079 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62004, server: 101.37.175.111/101.37.175.111:2181
  523. 09:58:31.159 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd4d, negotiated timeout = 40000
  524. 09:58:31.159 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  525. 09:58:33.927 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  526. 09:58:33.939 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  527. 09:58:33.946 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.979 seconds (JVM running for 41.321)
  528. 09:58:33.947 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  529. 09:58:33.999 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd4d closed
  530. 09:58:33.999 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd4d
  531. 09:58:34.015 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  532. 09:58:34.052 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  533. 09:58:34.064 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  534. 09:58:34.064 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@40527cd0
  535. 09:58:34.064 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  536. 09:58:34.064 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  537. 09:58:34.065 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  538. 09:58:34.120 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62025, server: 101.37.175.111/101.37.175.111:2181
  539. 09:58:34.203 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd4e, negotiated timeout = 40000
  540. 09:58:34.203 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  541. 09:58:34.507 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  542. 09:58:34.507 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  543. java.net.ConnectException: Connection refused (Connection refused)
  544. at java.net.PlainSocketImpl.socketConnect(Native Method)
  545. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  546. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  547. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  548. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  549. at java.net.Socket.connect(Socket.java:589)
  550. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  551. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  552. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  553. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  554. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  555. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  556. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  557. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  558. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  559. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  560. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  561. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  562. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  563. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  564. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  565. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  566. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  567. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  568. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  569. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  570. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  571. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  572. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  573. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  574. at java.lang.Thread.run(Thread.java:748)
  575. 09:58:34.508 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  576. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  577. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  578. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  579. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  580. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  581. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  582. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  583. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  584. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  585. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  586. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  587. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  588. at java.lang.Thread.run(Thread.java:748)
  589. 09:58:34.508 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  590. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  591. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  592. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  593. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  594. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  595. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  596. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  597. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  598. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  599. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  600. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  601. at java.lang.Thread.run(Thread.java:748)
  602. 09:58:36.839 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  603. 09:58:36.848 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  604. 09:58:36.854 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.838 seconds (JVM running for 44.229)
  605. 09:58:36.855 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  606. 09:58:36.912 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd4e closed
  607. 09:58:36.912 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd4e
  608. 09:58:36.924 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  609. 09:58:36.953 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  610. 09:58:36.963 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  611. 09:58:36.964 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@28a8a73c
  612. 09:58:36.964 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  613. 09:58:36.964 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  614. 09:58:36.964 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  615. 09:58:37.027 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62055, server: 101.37.175.111/101.37.175.111:2181
  616. 09:58:37.092 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd4f, negotiated timeout = 40000
  617. 09:58:37.093 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  618. 09:58:39.510 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  619. 09:58:39.510 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  620. java.net.ConnectException: Connection refused (Connection refused)
  621. at java.net.PlainSocketImpl.socketConnect(Native Method)
  622. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  623. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  624. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  625. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  626. at java.net.Socket.connect(Socket.java:589)
  627. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  628. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  629. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  630. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  631. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  632. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  633. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  634. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  635. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  636. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  637. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  638. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  639. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  640. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  641. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  642. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  643. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  644. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  645. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  646. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  647. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  648. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  649. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  650. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  651. at java.lang.Thread.run(Thread.java:748)
  652. 09:58:39.510 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  653. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  654. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  655. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  656. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  657. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  658. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  659. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  660. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  661. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  662. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  663. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  664. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  665. at java.lang.Thread.run(Thread.java:748)
  666. 09:58:39.510 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  667. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  668. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  669. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  670. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  671. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  672. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  673. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  674. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  675. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  676. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  677. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  678. at java.lang.Thread.run(Thread.java:748)
  679. 09:58:39.829 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  680. 09:58:39.840 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  681. 09:58:39.845 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.92 seconds (JVM running for 47.22)
  682. 09:58:39.846 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  683. 09:58:39.913 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd4f closed
  684. 09:58:39.913 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd4f
  685. 09:58:39.927 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  686. 09:58:39.958 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  687. 09:58:39.968 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  688. 09:58:39.968 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@521a5944
  689. 09:58:39.968 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  690. 09:58:39.968 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  691. 09:58:39.968 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  692. 09:58:40.037 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62078, server: 101.37.175.111/101.37.175.111:2181
  693. 09:58:40.113 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd50, negotiated timeout = 40000
  694. 09:58:40.113 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  695. 09:58:42.829 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  696. 09:58:42.839 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  697. 09:58:42.844 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.916 seconds (JVM running for 50.219)
  698. 09:58:42.845 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  699. 09:58:42.909 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd50 closed
  700. 09:58:42.909 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd50
  701. 09:58:42.924 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  702. 09:58:42.955 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  703. 09:58:42.965 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  704. 09:58:42.965 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@5ac8a1fe
  705. 09:58:42.965 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  706. 09:58:42.965 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  707. 09:58:42.965 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  708. 09:58:43.034 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62097, server: 101.37.175.111/101.37.175.111:2181
  709. 09:58:43.108 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd51, negotiated timeout = 40000
  710. 09:58:43.109 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  711. 09:58:44.513 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  712. 09:58:44.513 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  713. java.net.ConnectException: Connection refused (Connection refused)
  714. at java.net.PlainSocketImpl.socketConnect(Native Method)
  715. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  716. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  717. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  718. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  719. at java.net.Socket.connect(Socket.java:589)
  720. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  721. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  722. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  723. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  724. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  725. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  726. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  727. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  728. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  729. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  730. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  731. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  732. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  733. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  734. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  735. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  736. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  737. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  738. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  739. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  740. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  741. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  742. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  743. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  744. at java.lang.Thread.run(Thread.java:748)
  745. 09:58:44.513 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  746. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  747. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  748. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  749. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  750. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  751. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  752. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  753. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  754. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  755. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  756. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  757. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  758. at java.lang.Thread.run(Thread.java:748)
  759. 09:58:44.513 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  760. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  761. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  762. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  763. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  764. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  765. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  766. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  767. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  768. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  769. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  770. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  771. at java.lang.Thread.run(Thread.java:748)
  772. 09:58:45.856 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  773. 09:58:45.867 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  774. 09:58:45.872 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.947 seconds (JVM running for 53.247)
  775. 09:58:45.873 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  776. 09:58:45.935 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd51 closed
  777. 09:58:45.935 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd51
  778. 09:58:45.948 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  779. 09:58:45.980 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  780. 09:58:45.991 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  781. 09:58:45.991 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@724a0b22
  782. 09:58:45.991 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  783. 09:58:45.992 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  784. 09:58:45.992 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  785. 09:58:46.049 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62120, server: 101.37.175.111/101.37.175.111:2181
  786. 09:58:46.121 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd52, negotiated timeout = 40000
  787. 09:58:46.121 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  788. 09:58:48.766 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  789. 09:58:48.776 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  790. 09:58:48.781 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.832 seconds (JVM running for 56.156)
  791. 09:58:48.782 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  792. 09:58:48.842 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd52 closed
  793. 09:58:48.842 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd52
  794. 09:58:48.856 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  795. 09:58:48.887 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  796. 09:58:48.897 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  797. 09:58:48.897 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@1590fbce
  798. 09:58:48.897 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  799. 09:58:48.898 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  800. 09:58:48.898 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  801. 09:58:48.957 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62139, server: 101.37.175.111/101.37.175.111:2181
  802. 09:58:49.039 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd53, negotiated timeout = 40000
  803. 09:58:49.039 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  804. 09:58:49.518 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  805. 09:58:49.518 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  806. java.net.ConnectException: Connection refused (Connection refused)
  807. at java.net.PlainSocketImpl.socketConnect(Native Method)
  808. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  809. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  810. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  811. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  812. at java.net.Socket.connect(Socket.java:589)
  813. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  814. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  815. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  816. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  817. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  818. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  819. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  820. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  821. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  822. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  823. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  824. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  825. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  826. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  827. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  828. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  829. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  830. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  831. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  832. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  833. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  834. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  835. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  836. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  837. at java.lang.Thread.run(Thread.java:748)
  838. 09:58:49.519 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  839. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  840. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  841. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  842. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  843. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  844. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  845. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  846. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  847. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  848. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  849. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  850. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  851. at java.lang.Thread.run(Thread.java:748)
  852. 09:58:49.519 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  853. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  854. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  855. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  856. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  857. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  858. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  859. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  860. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  861. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  862. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  863. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  864. at java.lang.Thread.run(Thread.java:748)
  865. 09:58:51.735 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  866. 09:58:51.745 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  867. 09:58:51.751 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.894 seconds (JVM running for 59.125)
  868. 09:58:51.751 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  869. 09:58:51.815 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd53 closed
  870. 09:58:51.815 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd53
  871. 09:58:51.829 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  872. 09:58:51.861 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  873. 09:58:51.871 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  874. 09:58:51.871 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@4a2edd1b
  875. 09:58:51.871 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  876. 09:58:51.871 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  877. 09:58:51.871 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  878. 09:58:51.928 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62162, server: 101.37.175.111/101.37.175.111:2181
  879. 09:58:51.993 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd54, negotiated timeout = 40000
  880. 09:58:51.993 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  881. 09:58:54.519 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  882. 09:58:54.521 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  883. 09:58:54.521 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  884. java.net.ConnectException: Connection refused (Connection refused)
  885. at java.net.PlainSocketImpl.socketConnect(Native Method)
  886. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  887. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  888. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  889. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  890. at java.net.Socket.connect(Socket.java:589)
  891. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  892. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  893. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  894. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  895. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  896. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  897. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  898. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  899. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  900. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  901. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  902. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  903. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  904. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  905. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  906. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  907. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  908. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  909. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  910. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  911. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  912. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  913. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  914. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  915. at java.lang.Thread.run(Thread.java:748)
  916. 09:58:54.521 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  917. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  918. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  919. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  920. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  921. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  922. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  923. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  924. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  925. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  926. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  927. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  928. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  929. at java.lang.Thread.run(Thread.java:748)
  930. 09:58:54.522 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  931. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  932. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  933. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  934. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  935. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  936. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  937. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  938. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  939. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  940. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  941. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  942. at java.lang.Thread.run(Thread.java:748)
  943. 09:58:54.528 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  944. 09:58:54.534 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.704 seconds (JVM running for 61.908)
  945. 09:58:54.534 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  946. 09:58:54.600 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd54 closed
  947. 09:58:54.600 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd54
  948. 09:58:54.614 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  949. 09:58:54.644 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  950. 09:58:54.653 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  951. 09:58:54.653 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@423d1cad
  952. 09:58:54.653 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  953. 09:58:54.653 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  954. 09:58:54.654 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  955. 09:58:54.707 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62179, server: 101.37.175.111/101.37.175.111:2181
  956. 09:58:54.777 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd55, negotiated timeout = 40000
  957. 09:58:54.777 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  958. 09:58:59.526 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  959. 09:58:59.538 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  960. java.net.ConnectException: Connection refused (Connection refused)
  961. at java.net.PlainSocketImpl.socketConnect(Native Method)
  962. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  963. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  964. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  965. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  966. at java.net.Socket.connect(Socket.java:589)
  967. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  968. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  969. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  970. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  971. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  972. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  973. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  974. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  975. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  976. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  977. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  978. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  979. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  980. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  981. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  982. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  983. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  984. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  985. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  986. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  987. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  988. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  989. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  990. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  991. at java.lang.Thread.run(Thread.java:748)
  992. 09:58:59.560 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  993. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  994. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  995. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  996. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  997. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  998. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  999. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1000. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1001. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1002. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1003. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1004. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1005. at java.lang.Thread.run(Thread.java:748)
  1006. 09:58:59.561 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1007. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1008. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1009. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1010. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1011. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1012. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1013. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1014. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1015. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1016. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1017. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1018. at java.lang.Thread.run(Thread.java:748)
  1019. 09:59:01.268 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  1020. 09:59:01.276 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  1021. 09:59:01.281 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 6.666 seconds (JVM running for 68.655)
  1022. 09:59:01.281 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  1023. 09:59:01.346 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd55 closed
  1024. 09:59:01.346 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd55
  1025. 09:59:01.357 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  1026. 09:59:01.384 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7563d027] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  1027. 09:59:01.394 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  1028. 09:59:01.394 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@5ee13dc7
  1029. 09:59:01.394 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  1030. 09:59:01.394 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  1031. 09:59:01.395 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  1032. 09:59:01.453 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62232, server: 101.37.175.111/101.37.175.111:2181
  1033. 09:59:01.525 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd56, negotiated timeout = 40000
  1034. 09:59:01.525 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  1035. 09:59:04.493 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  1036. 09:59:04.502 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  1037. 09:59:04.507 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.149 seconds (JVM running for 71.881)
  1038. 09:59:04.508 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  1039. 09:59:04.564 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1040. 09:59:04.565 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1041. java.net.ConnectException: Connection refused (Connection refused)
  1042. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1043. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1044. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1045. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1046. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1047. at java.net.Socket.connect(Socket.java:589)
  1048. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1049. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1050. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1051. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1052. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1053. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1054. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1055. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1056. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1057. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1058. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1059. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1060. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1061. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1062. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1063. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1064. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1065. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1066. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1067. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1068. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1069. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1070. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1071. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1072. at java.lang.Thread.run(Thread.java:748)
  1073. 09:59:04.565 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1074. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1075. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1076. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1077. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1078. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1079. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1080. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1081. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1082. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1083. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1084. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1085. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1086. at java.lang.Thread.run(Thread.java:748)
  1087. 09:59:04.565 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1088. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1089. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1090. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1091. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1092. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1093. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1094. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1095. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1096. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1097. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1098. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1099. at java.lang.Thread.run(Thread.java:748)
  1100. 09:59:04.583 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd56 closed
  1101. 09:59:04.583 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd56
  1102. 09:59:04.596 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  1103. 09:59:09.571 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1104. 09:59:09.571 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1105. java.net.ConnectException: Connection refused (Connection refused)
  1106. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1107. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1108. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1109. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1110. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1111. at java.net.Socket.connect(Socket.java:589)
  1112. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1113. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1114. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1115. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1116. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1117. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1118. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1119. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1120. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1121. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1122. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1123. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1124. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1125. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1126. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1127. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1128. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1129. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1130. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1131. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1132. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1133. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1134. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1135. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1136. at java.lang.Thread.run(Thread.java:748)
  1137. 09:59:09.571 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1138. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1139. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1140. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1141. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1142. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1143. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1144. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1145. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1146. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1147. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1148. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1149. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1150. at java.lang.Thread.run(Thread.java:748)
  1151. 09:59:09.571 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1152. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1153. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1154. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1155. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1156. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1157. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1158. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1159. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1160. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1161. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1162. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1163. at java.lang.Thread.run(Thread.java:748)
  1164. 09:59:14.573 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1165. 09:59:14.573 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1166. java.net.ConnectException: Connection refused (Connection refused)
  1167. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1168. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1169. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1170. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1171. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1172. at java.net.Socket.connect(Socket.java:589)
  1173. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1174. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1175. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1176. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1177. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1178. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1179. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1180. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1181. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1182. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1183. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1184. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1185. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1186. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1187. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1188. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1189. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1190. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1191. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1192. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1193. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1194. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1195. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1196. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1197. at java.lang.Thread.run(Thread.java:748)
  1198. 09:59:14.573 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1199. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1200. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1201. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1202. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1203. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1204. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1205. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1206. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1207. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1208. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1209. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1210. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1211. at java.lang.Thread.run(Thread.java:748)
  1212. 09:59:14.573 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1213. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1214. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1215. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1216. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1217. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1218. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1219. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1220. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1221. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1222. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1223. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1224. at java.lang.Thread.run(Thread.java:748)
  1225. 09:59:19.579 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1226. 09:59:19.579 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1227. java.net.ConnectException: Connection refused (Connection refused)
  1228. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1229. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1230. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1231. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1232. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1233. at java.net.Socket.connect(Socket.java:589)
  1234. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1235. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1236. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1237. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1238. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1239. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1240. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1241. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1242. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1243. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1244. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1245. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1246. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1247. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1248. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1249. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1250. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1251. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1252. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1253. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1254. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1255. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1256. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1257. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1258. at java.lang.Thread.run(Thread.java:748)
  1259. 09:59:19.580 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1260. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1261. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1262. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1263. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1264. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1265. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1266. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1267. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1268. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1269. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1270. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1271. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1272. at java.lang.Thread.run(Thread.java:748)
  1273. 09:59:19.580 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1274. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1275. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1276. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1277. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1278. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1279. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1280. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1281. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1282. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1283. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1284. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1285. at java.lang.Thread.run(Thread.java:748)
  1286. 09:59:24.584 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1287. 09:59:24.584 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1288. java.net.ConnectException: Connection refused (Connection refused)
  1289. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1290. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1291. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1292. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1293. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1294. at java.net.Socket.connect(Socket.java:589)
  1295. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1296. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1297. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1298. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1299. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1300. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1301. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1302. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1303. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1304. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1305. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1306. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1307. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1308. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1309. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1310. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1311. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1312. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1313. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1314. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1315. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1316. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1317. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1318. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1319. at java.lang.Thread.run(Thread.java:748)
  1320. 09:59:24.584 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1321. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1322. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1323. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1324. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1325. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1326. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1327. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1328. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1329. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1330. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1331. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1332. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1333. at java.lang.Thread.run(Thread.java:748)
  1334. 09:59:24.584 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1335. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1336. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1337. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1338. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1339. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1340. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1341. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1342. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1343. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1344. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1345. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1346. at java.lang.Thread.run(Thread.java:748)
  1347. 09:59:29.590 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1348. 09:59:29.590 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1349. java.net.ConnectException: Connection refused (Connection refused)
  1350. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1351. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1352. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1353. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1354. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1355. at java.net.Socket.connect(Socket.java:589)
  1356. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1357. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1358. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1359. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1360. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1361. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1362. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1363. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1364. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1365. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1366. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1367. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1368. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1369. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1370. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1371. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1372. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1373. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1374. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1375. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1376. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1377. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1378. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1379. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1380. at java.lang.Thread.run(Thread.java:748)
  1381. 09:59:29.590 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1382. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1383. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1384. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1385. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1386. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1387. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1388. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1389. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1390. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1391. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1392. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1393. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1394. at java.lang.Thread.run(Thread.java:748)
  1395. 09:59:29.590 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1396. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1397. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1398. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1399. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1400. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1401. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1402. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1403. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1404. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1405. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1406. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1407. at java.lang.Thread.run(Thread.java:748)
  1408. 09:59:34.594 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1409. 09:59:34.594 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1410. java.net.ConnectException: Connection refused (Connection refused)
  1411. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1412. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1413. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1414. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1415. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1416. at java.net.Socket.connect(Socket.java:589)
  1417. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1418. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1419. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1420. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1421. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1422. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1423. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1424. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1425. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1426. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1427. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1428. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1429. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1430. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1431. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1432. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1433. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1434. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1435. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1436. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1437. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1438. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1439. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1440. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1441. at java.lang.Thread.run(Thread.java:748)
  1442. 09:59:34.594 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1443. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1444. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1445. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1446. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1447. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1448. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1449. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1450. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1451. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1452. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1453. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1454. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1455. at java.lang.Thread.run(Thread.java:748)
  1456. 09:59:34.594 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1457. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1458. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1459. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1460. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1461. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1462. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1463. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1464. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1465. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1466. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1467. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1468. at java.lang.Thread.run(Thread.java:748)
  1469. 09:59:39.599 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1470. 09:59:39.600 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1471. java.net.ConnectException: Connection refused (Connection refused)
  1472. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1473. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1474. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1475. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1476. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1477. at java.net.Socket.connect(Socket.java:589)
  1478. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1479. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1480. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1481. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1482. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1483. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1484. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1485. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1486. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1487. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1488. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1489. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1490. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1491. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1492. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1493. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1494. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1495. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1496. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1497. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1498. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1499. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1500. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1501. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1502. at java.lang.Thread.run(Thread.java:748)
  1503. 09:59:39.600 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1504. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1505. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1506. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1507. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1508. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1509. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1510. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1511. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1512. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1513. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1514. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1515. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1516. at java.lang.Thread.run(Thread.java:748)
  1517. 09:59:39.600 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1518. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1519. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1520. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1521. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1522. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1523. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1524. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1525. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1526. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1527. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1528. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1529. at java.lang.Thread.run(Thread.java:748)
  1530. 09:59:44.601 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1531. 09:59:44.602 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1532. java.net.ConnectException: Connection refused (Connection refused)
  1533. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1534. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1535. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1536. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1537. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1538. at java.net.Socket.connect(Socket.java:589)
  1539. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1540. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1541. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1542. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1543. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1544. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1545. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1546. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1547. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1548. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1549. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1550. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1551. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1552. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1553. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1554. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1555. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1556. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1557. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1558. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1559. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1560. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1561. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1562. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1563. at java.lang.Thread.run(Thread.java:748)
  1564. 09:59:44.602 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1565. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1566. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1567. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1568. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1569. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1570. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1571. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1572. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1573. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1574. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1575. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1576. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1577. at java.lang.Thread.run(Thread.java:748)
  1578. 09:59:44.602 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1579. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1580. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1581. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1582. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1583. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1584. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1585. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1586. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1587. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1588. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1589. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1590. at java.lang.Thread.run(Thread.java:748)
  1591. 09:59:49.604 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1592. 09:59:49.604 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1593. java.net.ConnectException: Connection refused (Connection refused)
  1594. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1595. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1596. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1597. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1598. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1599. at java.net.Socket.connect(Socket.java:589)
  1600. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1601. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1602. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1603. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1604. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1605. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1606. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1607. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1608. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1609. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1610. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1611. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1612. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1613. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1614. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1615. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1616. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1617. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1618. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1619. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1620. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1621. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1622. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1623. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1624. at java.lang.Thread.run(Thread.java:748)
  1625. 09:59:49.604 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1626. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1627. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1628. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1629. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1630. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1631. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1632. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1633. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1634. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1635. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1636. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1637. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1638. at java.lang.Thread.run(Thread.java:748)
  1639. 09:59:49.604 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1640. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1641. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1642. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1643. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1644. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1645. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1646. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1647. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1648. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1649. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1650. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1651. at java.lang.Thread.run(Thread.java:748)
  1652. 09:59:54.610 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1653. 09:59:54.611 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1654. java.net.ConnectException: Connection refused (Connection refused)
  1655. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1656. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1657. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1658. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1659. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1660. at java.net.Socket.connect(Socket.java:589)
  1661. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1662. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1663. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1664. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1665. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1666. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1667. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1668. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1669. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1670. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1671. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1672. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1673. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1674. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1675. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1676. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1677. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1678. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1679. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1680. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1681. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1682. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1683. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1684. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1685. at java.lang.Thread.run(Thread.java:748)
  1686. 09:59:54.611 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1687. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1688. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1689. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1690. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1691. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1692. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1693. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1694. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1695. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1696. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1697. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1698. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1699. at java.lang.Thread.run(Thread.java:748)
  1700. 09:59:54.611 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1701. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1702. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1703. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1704. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1705. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1706. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1707. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1708. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1709. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1710. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1711. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1712. at java.lang.Thread.run(Thread.java:748)
  1713. 09:59:59.614 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1714. 09:59:59.614 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1715. java.net.ConnectException: Connection refused (Connection refused)
  1716. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1717. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1718. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1719. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1720. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1721. at java.net.Socket.connect(Socket.java:589)
  1722. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1723. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1724. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1725. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1726. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1727. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1728. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1729. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1730. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1731. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1732. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1733. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1734. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1735. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1736. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1737. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1738. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1739. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1740. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1741. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1742. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1743. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1744. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1745. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1746. at java.lang.Thread.run(Thread.java:748)
  1747. 09:59:59.614 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1748. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1749. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1750. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1751. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1752. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1753. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1754. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1755. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1756. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1757. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1758. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1759. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1760. at java.lang.Thread.run(Thread.java:748)
  1761. 09:59:59.615 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1762. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1763. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1764. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1765. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1766. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1767. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1768. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1769. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1770. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1771. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1772. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1773. at java.lang.Thread.run(Thread.java:748)
  1774. 10:00:04.616 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1775. 10:00:04.616 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1776. java.net.ConnectException: Connection refused (Connection refused)
  1777. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1778. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1779. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1780. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1781. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1782. at java.net.Socket.connect(Socket.java:589)
  1783. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1784. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1785. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1786. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1787. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1788. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1789. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1790. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1791. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1792. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1793. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1794. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1795. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1796. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1797. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1798. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1799. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1800. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1801. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1802. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1803. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1804. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1805. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1806. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1807. at java.lang.Thread.run(Thread.java:748)
  1808. 10:00:04.616 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1809. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1810. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1811. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1812. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1813. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1814. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1815. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1816. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1817. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1818. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1819. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1820. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1821. at java.lang.Thread.run(Thread.java:748)
  1822. 10:00:04.616 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1823. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1824. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1825. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1826. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1827. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1828. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1829. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1830. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1831. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1832. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1833. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1834. at java.lang.Thread.run(Thread.java:748)
  1835. 10:00:09.620 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1836. 10:00:09.620 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1837. java.net.ConnectException: Connection refused (Connection refused)
  1838. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1839. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1840. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1841. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1842. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1843. at java.net.Socket.connect(Socket.java:589)
  1844. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1845. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1846. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1847. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1848. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1849. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1850. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1851. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1852. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1853. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1854. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1855. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1856. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1857. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1858. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1859. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1860. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1861. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1862. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1863. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1864. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1865. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1866. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1867. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1868. at java.lang.Thread.run(Thread.java:748)
  1869. 10:00:09.620 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1870. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1871. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1872. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1873. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1874. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1875. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1876. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1877. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1878. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1879. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1880. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1881. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1882. at java.lang.Thread.run(Thread.java:748)
  1883. 10:00:09.620 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1884. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1885. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1886. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1887. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1888. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1889. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1890. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1891. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1892. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1893. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1894. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1895. at java.lang.Thread.run(Thread.java:748)
  1896. 10:00:14.625 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1897. 10:00:14.625 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1898. java.net.ConnectException: Connection refused (Connection refused)
  1899. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1900. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1901. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1902. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1903. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1904. at java.net.Socket.connect(Socket.java:589)
  1905. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1906. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1907. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1908. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1909. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1910. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1911. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1912. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1913. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1914. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1915. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1916. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1917. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1918. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1919. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1920. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1921. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1922. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1923. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1924. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1925. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1926. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1927. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1928. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1929. at java.lang.Thread.run(Thread.java:748)
  1930. 10:00:14.625 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1931. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1932. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1933. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1934. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1935. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1936. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1937. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1938. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1939. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1940. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1941. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1942. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1943. at java.lang.Thread.run(Thread.java:748)
  1944. 10:00:14.625 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  1945. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1946. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  1947. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1948. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1949. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1950. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1951. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1952. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1953. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1954. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1955. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1956. at java.lang.Thread.run(Thread.java:748)
  1957. 10:00:19.628 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  1958. 10:00:19.628 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  1959. java.net.ConnectException: Connection refused (Connection refused)
  1960. at java.net.PlainSocketImpl.socketConnect(Native Method)
  1961. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  1962. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  1963. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  1964. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  1965. at java.net.Socket.connect(Socket.java:589)
  1966. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  1967. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  1968. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  1969. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  1970. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  1971. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  1972. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  1973. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  1974. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  1975. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  1976. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  1977. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  1978. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  1979. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  1980. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1981. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1982. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1983. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1984. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1985. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  1986. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  1987. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  1988. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  1989. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  1990. at java.lang.Thread.run(Thread.java:748)
  1991. 10:00:19.628 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  1992. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  1993. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  1994. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  1995. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  1996. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  1997. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  1998. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  1999. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2000. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2001. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2002. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2003. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2004. at java.lang.Thread.run(Thread.java:748)
  2005. 10:00:19.628 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2006. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2007. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2008. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2009. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2010. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2011. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2012. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2013. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2014. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2015. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2016. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2017. at java.lang.Thread.run(Thread.java:748)
  2018. 10:00:24.633 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2019. 10:00:24.633 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2020. java.net.ConnectException: Connection refused (Connection refused)
  2021. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2022. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2023. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2024. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2025. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2026. at java.net.Socket.connect(Socket.java:589)
  2027. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2028. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2029. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2030. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2031. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2032. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2033. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2034. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2035. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2036. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2037. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2038. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2039. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2040. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2041. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2042. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2043. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2044. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2045. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2046. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2047. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2048. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2049. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2050. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2051. at java.lang.Thread.run(Thread.java:748)
  2052. 10:00:24.634 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2053. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2054. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2055. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2056. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2057. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2058. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2059. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2060. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2061. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2062. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2063. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2064. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2065. at java.lang.Thread.run(Thread.java:748)
  2066. 10:00:24.634 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2067. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2068. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2069. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2070. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2071. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2072. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2073. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2074. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2075. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2076. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2077. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2078. at java.lang.Thread.run(Thread.java:748)
  2079. 10:00:29.639 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2080. 10:00:29.639 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2081. java.net.ConnectException: Connection refused (Connection refused)
  2082. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2083. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2084. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2085. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2086. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2087. at java.net.Socket.connect(Socket.java:589)
  2088. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2089. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2090. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2091. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2092. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2093. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2094. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2095. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2096. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2097. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2098. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2099. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2100. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2101. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2102. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2103. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2104. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2105. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2106. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2107. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2108. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2109. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2110. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2111. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2112. at java.lang.Thread.run(Thread.java:748)
  2113. 10:00:29.639 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2114. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2115. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2116. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2117. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2118. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2119. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2120. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2121. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2122. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2123. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2124. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2125. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2126. at java.lang.Thread.run(Thread.java:748)
  2127. 10:00:29.639 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2128. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2129. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2130. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2131. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2132. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2133. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2134. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2135. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2136. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2137. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2138. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2139. at java.lang.Thread.run(Thread.java:748)
  2140. 10:00:34.645 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2141. 10:00:34.645 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2142. java.net.ConnectException: Connection refused (Connection refused)
  2143. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2144. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2145. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2146. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2147. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2148. at java.net.Socket.connect(Socket.java:589)
  2149. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2150. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2151. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2152. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2153. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2154. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2155. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2156. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2157. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2158. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2159. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2160. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2161. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2162. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2163. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2164. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2165. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2166. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2167. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2168. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2169. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2170. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2171. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2172. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2173. at java.lang.Thread.run(Thread.java:748)
  2174. 10:00:34.645 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2175. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2176. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2177. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2178. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2179. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2180. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2181. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2182. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2183. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2184. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2185. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2186. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2187. at java.lang.Thread.run(Thread.java:748)
  2188. 10:00:34.645 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2189. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2190. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2191. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2192. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2193. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2194. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2195. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2196. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2197. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2198. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2199. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2200. at java.lang.Thread.run(Thread.java:748)
  2201. 10:00:39.651 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2202. 10:00:39.651 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2203. java.net.ConnectException: Connection refused (Connection refused)
  2204. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2205. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2206. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2207. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2208. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2209. at java.net.Socket.connect(Socket.java:589)
  2210. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2211. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2212. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2213. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2214. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2215. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2216. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2217. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2218. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2219. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2220. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2221. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2222. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2223. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2224. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2225. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2226. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2227. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2228. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2229. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2230. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2231. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2232. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2233. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2234. at java.lang.Thread.run(Thread.java:748)
  2235. 10:00:39.651 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2236. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2237. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2238. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2239. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2240. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2241. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2242. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2243. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2244. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2245. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2246. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2247. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2248. at java.lang.Thread.run(Thread.java:748)
  2249. 10:00:39.651 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2250. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2251. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2252. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2253. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2254. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2255. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2256. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2257. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2258. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2259. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2260. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2261. at java.lang.Thread.run(Thread.java:748)
  2262. 10:00:44.657 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2263. 10:00:44.657 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2264. java.net.ConnectException: Connection refused (Connection refused)
  2265. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2266. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2267. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2268. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2269. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2270. at java.net.Socket.connect(Socket.java:589)
  2271. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2272. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2273. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2274. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2275. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2276. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2277. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2278. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2279. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2280. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2281. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2282. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2283. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2284. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2285. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2286. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2287. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2288. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2289. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2290. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2291. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2292. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2293. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2294. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2295. at java.lang.Thread.run(Thread.java:748)
  2296. 10:00:44.657 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2297. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2298. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2299. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2300. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2301. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2302. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2303. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2304. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2305. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2306. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2307. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2308. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2309. at java.lang.Thread.run(Thread.java:748)
  2310. 10:00:44.658 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2311. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2312. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2313. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2314. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2315. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2316. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2317. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2318. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2319. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2320. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2321. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2322. at java.lang.Thread.run(Thread.java:748)
  2323. 10:00:49.663 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2324. 10:00:49.663 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2325. java.net.ConnectException: Connection refused (Connection refused)
  2326. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2327. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2328. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2329. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2330. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2331. at java.net.Socket.connect(Socket.java:589)
  2332. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2333. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2334. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2335. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2336. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2337. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2338. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2339. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2340. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2341. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2342. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2343. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2344. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2345. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2346. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2347. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2348. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2349. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2350. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2351. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2352. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2353. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2354. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2355. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2356. at java.lang.Thread.run(Thread.java:748)
  2357. 10:00:49.663 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2358. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2359. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2360. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2361. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2362. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2363. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2364. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2365. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2366. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2367. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2368. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2369. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2370. at java.lang.Thread.run(Thread.java:748)
  2371. 10:00:49.664 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2372. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2373. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2374. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2375. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2376. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2377. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2378. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2379. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2380. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2381. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2382. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2383. at java.lang.Thread.run(Thread.java:748)
  2384. 10:00:54.668 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2385. 10:00:54.668 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2386. java.net.ConnectException: Connection refused (Connection refused)
  2387. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2388. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2389. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2390. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2391. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2392. at java.net.Socket.connect(Socket.java:589)
  2393. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2394. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2395. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2396. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2397. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2398. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2399. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2400. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2401. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2402. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2403. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2404. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2405. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2406. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2407. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2408. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2409. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2410. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2411. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2412. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2413. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2414. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2415. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2416. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2417. at java.lang.Thread.run(Thread.java:748)
  2418. 10:00:54.668 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2419. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2420. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2421. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2422. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2423. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2424. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2425. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2426. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2427. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2428. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2429. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2430. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2431. at java.lang.Thread.run(Thread.java:748)
  2432. 10:00:54.668 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2433. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2434. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2435. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2436. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2437. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2438. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2439. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2440. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2441. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2442. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2443. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2444. at java.lang.Thread.run(Thread.java:748)
  2445. 10:00:59.672 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2446. 10:00:59.672 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2447. java.net.ConnectException: Connection refused (Connection refused)
  2448. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2449. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2450. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2451. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2452. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2453. at java.net.Socket.connect(Socket.java:589)
  2454. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2455. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2456. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2457. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2458. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2459. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2460. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2461. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2462. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2463. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2464. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2465. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2466. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2467. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2468. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2469. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2470. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2471. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2472. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2473. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2474. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2475. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2476. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2477. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2478. at java.lang.Thread.run(Thread.java:748)
  2479. 10:00:59.672 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2480. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2481. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2482. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2483. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2484. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2485. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2486. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2487. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2488. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2489. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2490. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2491. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2492. at java.lang.Thread.run(Thread.java:748)
  2493. 10:00:59.673 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2494. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2495. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2496. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2497. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2498. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2499. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2500. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2501. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2502. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2503. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2504. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2505. at java.lang.Thread.run(Thread.java:748)
  2506. 10:01:04.678 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2507. 10:01:04.678 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2508. java.net.ConnectException: Connection refused (Connection refused)
  2509. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2510. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2511. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2512. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2513. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2514. at java.net.Socket.connect(Socket.java:589)
  2515. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2516. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2517. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2518. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2519. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2520. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2521. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2522. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2523. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2524. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2525. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2526. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2527. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2528. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2529. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2530. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2531. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2532. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2533. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2534. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2535. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2536. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2537. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2538. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2539. at java.lang.Thread.run(Thread.java:748)
  2540. 10:01:04.678 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2541. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2542. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2543. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2544. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2545. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2546. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2547. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2548. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2549. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2550. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2551. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2552. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2553. at java.lang.Thread.run(Thread.java:748)
  2554. 10:01:04.678 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2555. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2556. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2557. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2558. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2559. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2560. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2561. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2562. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2563. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2564. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2565. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2566. at java.lang.Thread.run(Thread.java:748)
  2567. 10:01:09.682 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2568. 10:01:09.682 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2569. java.net.ConnectException: Connection refused (Connection refused)
  2570. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2571. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2572. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2573. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2574. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2575. at java.net.Socket.connect(Socket.java:589)
  2576. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2577. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2578. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2579. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2580. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2581. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2582. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2583. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2584. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2585. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2586. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2587. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2588. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2589. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2590. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2591. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2592. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2593. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2594. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2595. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2596. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2597. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2598. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2599. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2600. at java.lang.Thread.run(Thread.java:748)
  2601. 10:01:09.685 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2602. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2603. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2604. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2605. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2606. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2607. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2608. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2609. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2610. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2611. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2612. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2613. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2614. at java.lang.Thread.run(Thread.java:748)
  2615. 10:01:09.685 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2616. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2617. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2618. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2619. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2620. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2621. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2622. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2623. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2624. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2625. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2626. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2627. at java.lang.Thread.run(Thread.java:748)
  2628. 10:01:14.689 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2629. 10:01:14.689 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2630. java.net.ConnectException: Connection refused (Connection refused)
  2631. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2632. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2633. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2634. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2635. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2636. at java.net.Socket.connect(Socket.java:589)
  2637. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2638. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2639. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2640. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2641. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2642. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2643. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2644. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2645. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2646. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2647. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2648. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2649. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2650. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2651. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2652. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2653. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2654. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2655. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2656. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2657. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2658. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2659. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2660. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2661. at java.lang.Thread.run(Thread.java:748)
  2662. 10:01:14.689 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2663. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2664. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2665. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2666. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2667. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2668. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2669. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2670. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2671. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2672. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2673. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2674. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2675. at java.lang.Thread.run(Thread.java:748)
  2676. 10:01:14.690 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2677. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2678. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2679. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2680. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2681. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2682. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2683. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2684. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2685. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2686. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2687. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2688. at java.lang.Thread.run(Thread.java:748)
  2689. 10:01:19.695 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2690. 10:01:19.695 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2691. java.net.ConnectException: Connection refused (Connection refused)
  2692. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2693. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2694. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2695. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2696. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2697. at java.net.Socket.connect(Socket.java:589)
  2698. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2699. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2700. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2701. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2702. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2703. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2704. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2705. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2706. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2707. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2708. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2709. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2710. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2711. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2712. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2713. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2714. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2715. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2716. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2717. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2718. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2719. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2720. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2721. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2722. at java.lang.Thread.run(Thread.java:748)
  2723. 10:01:19.695 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2724. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2725. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2726. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2727. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2728. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2729. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2730. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2731. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2732. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2733. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2734. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2735. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2736. at java.lang.Thread.run(Thread.java:748)
  2737. 10:01:19.695 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2738. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2739. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2740. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2741. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2742. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2743. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2744. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2745. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2746. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2747. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2748. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2749. at java.lang.Thread.run(Thread.java:748)
  2750. 10:01:24.697 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2751. 10:01:24.697 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2752. java.net.ConnectException: Connection refused (Connection refused)
  2753. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2754. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2755. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2756. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2757. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2758. at java.net.Socket.connect(Socket.java:589)
  2759. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2760. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2761. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2762. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2763. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2764. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2765. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2766. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2767. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2768. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2769. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2770. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2771. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2772. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2773. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2774. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2775. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2776. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2777. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2778. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2779. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2780. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2781. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2782. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2783. at java.lang.Thread.run(Thread.java:748)
  2784. 10:01:24.698 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2785. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2786. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2787. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2788. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2789. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2790. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2791. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2792. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2793. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2794. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2795. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2796. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2797. at java.lang.Thread.run(Thread.java:748)
  2798. 10:01:24.698 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2799. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2800. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2801. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2802. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2803. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2804. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2805. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2806. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2807. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2808. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2809. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2810. at java.lang.Thread.run(Thread.java:748)
  2811. 10:01:29.702 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2812. 10:01:29.702 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2813. java.net.ConnectException: Connection refused (Connection refused)
  2814. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2815. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2816. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2817. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2818. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2819. at java.net.Socket.connect(Socket.java:589)
  2820. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2821. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2822. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2823. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2824. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2825. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2826. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2827. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2828. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2829. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2830. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2831. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2832. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2833. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2834. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2835. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2836. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2837. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2838. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2839. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2840. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2841. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2842. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2843. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2844. at java.lang.Thread.run(Thread.java:748)
  2845. 10:01:29.702 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2846. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2847. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2848. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2849. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2850. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2851. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2852. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2853. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2854. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2855. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2856. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2857. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2858. at java.lang.Thread.run(Thread.java:748)
  2859. 10:01:29.703 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2860. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2861. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2862. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2863. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2864. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2865. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2866. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2867. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2868. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2869. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2870. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2871. at java.lang.Thread.run(Thread.java:748)
  2872. 10:01:34.703 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2873. 10:01:34.704 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2874. java.net.ConnectException: Connection refused (Connection refused)
  2875. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2876. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2877. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2878. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2879. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2880. at java.net.Socket.connect(Socket.java:589)
  2881. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2882. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2883. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2884. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2885. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2886. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2887. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2888. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2889. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2890. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2891. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2892. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2893. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2894. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2895. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2896. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2897. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2898. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2899. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2900. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2901. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2902. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2903. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2904. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2905. at java.lang.Thread.run(Thread.java:748)
  2906. 10:01:34.704 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2907. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2908. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2909. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2910. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2911. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2912. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2913. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2914. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2915. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2916. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2917. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2918. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2919. at java.lang.Thread.run(Thread.java:748)
  2920. 10:01:34.704 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2921. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2922. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2923. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2924. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2925. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2926. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2927. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2928. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2929. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2930. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2931. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2932. at java.lang.Thread.run(Thread.java:748)
  2933. 10:01:39.706 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2934. 10:01:39.706 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2935. java.net.ConnectException: Connection refused (Connection refused)
  2936. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2937. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2938. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  2939. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  2940. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  2941. at java.net.Socket.connect(Socket.java:589)
  2942. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  2943. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  2944. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  2945. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  2946. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  2947. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  2948. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  2949. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  2950. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  2951. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  2952. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  2953. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  2954. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  2955. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  2956. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2957. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2958. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2959. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2960. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2961. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2962. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2963. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2964. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2965. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2966. at java.lang.Thread.run(Thread.java:748)
  2967. 10:01:39.707 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  2968. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2969. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  2970. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  2971. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2972. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2973. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2974. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2975. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2976. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2977. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2978. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2979. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2980. at java.lang.Thread.run(Thread.java:748)
  2981. 10:01:39.707 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  2982. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  2983. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  2984. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  2985. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  2986. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  2987. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  2988. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  2989. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  2990. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  2991. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  2992. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  2993. at java.lang.Thread.run(Thread.java:748)
  2994. 10:01:44.708 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  2995. 10:01:44.708 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  2996. java.net.ConnectException: Connection refused (Connection refused)
  2997. at java.net.PlainSocketImpl.socketConnect(Native Method)
  2998. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  2999. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3000. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3001. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3002. at java.net.Socket.connect(Socket.java:589)
  3003. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3004. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3005. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3006. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3007. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3008. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3009. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3010. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3011. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3012. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3013. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3014. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3015. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3016. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3017. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3018. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3019. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3020. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3021. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3022. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3023. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3024. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3025. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3026. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3027. at java.lang.Thread.run(Thread.java:748)
  3028. 10:01:44.708 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3029. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3030. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3031. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3032. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3033. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3034. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3035. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3036. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3037. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3038. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3039. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3040. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3041. at java.lang.Thread.run(Thread.java:748)
  3042. 10:01:44.709 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3043. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3044. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3045. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3046. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3047. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3048. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3049. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3050. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3051. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3052. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3053. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3054. at java.lang.Thread.run(Thread.java:748)
  3055. 10:01:49.714 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3056. 10:01:49.714 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3057. java.net.ConnectException: Connection refused (Connection refused)
  3058. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3059. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3060. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3061. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3062. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3063. at java.net.Socket.connect(Socket.java:589)
  3064. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3065. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3066. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3067. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3068. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3069. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3070. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3071. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3072. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3073. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3074. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3075. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3076. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3077. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3078. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3079. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3080. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3081. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3082. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3083. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3084. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3085. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3086. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3087. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3088. at java.lang.Thread.run(Thread.java:748)
  3089. 10:01:49.715 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3090. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3091. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3092. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3093. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3094. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3095. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3096. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3097. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3098. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3099. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3100. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3101. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3102. at java.lang.Thread.run(Thread.java:748)
  3103. 10:01:49.715 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3104. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3105. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3106. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3107. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3108. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3109. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3110. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3111. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3112. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3113. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3114. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3115. at java.lang.Thread.run(Thread.java:748)
  3116. 10:01:54.719 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3117. 10:01:54.719 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3118. java.net.ConnectException: Connection refused (Connection refused)
  3119. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3120. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3121. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3122. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3123. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3124. at java.net.Socket.connect(Socket.java:589)
  3125. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3126. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3127. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3128. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3129. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3130. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3131. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3132. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3133. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3134. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3135. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3136. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3137. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3138. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3139. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3140. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3141. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3142. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3143. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3144. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3145. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3146. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3147. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3148. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3149. at java.lang.Thread.run(Thread.java:748)
  3150. 10:01:54.719 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3151. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3152. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3153. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3154. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3155. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3156. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3157. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3158. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3159. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3160. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3161. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3162. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3163. at java.lang.Thread.run(Thread.java:748)
  3164. 10:01:54.720 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3165. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3166. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3167. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3168. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3169. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3170. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3171. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3172. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3173. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3174. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3175. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3176. at java.lang.Thread.run(Thread.java:748)
  3177. 10:01:59.725 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3178. 10:01:59.725 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3179. java.net.ConnectException: Connection refused (Connection refused)
  3180. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3181. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3182. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3183. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3184. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3185. at java.net.Socket.connect(Socket.java:589)
  3186. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3187. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3188. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3189. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3190. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3191. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3192. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3193. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3194. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3195. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3196. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3197. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3198. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3199. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3200. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3201. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3202. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3203. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3204. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3205. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3206. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3207. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3208. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3209. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3210. at java.lang.Thread.run(Thread.java:748)
  3211. 10:01:59.725 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3212. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3213. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3214. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3215. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3216. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3217. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3218. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3219. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3220. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3221. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3222. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3223. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3224. at java.lang.Thread.run(Thread.java:748)
  3225. 10:01:59.725 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3226. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3227. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3228. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3229. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3230. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3231. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3232. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3233. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3234. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3235. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3236. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3237. at java.lang.Thread.run(Thread.java:748)
  3238. 10:02:04.731 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3239. 10:02:04.740 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3240. java.net.ConnectException: Connection refused (Connection refused)
  3241. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3242. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3243. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3244. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3245. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3246. at java.net.Socket.connect(Socket.java:589)
  3247. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3248. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3249. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3250. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3251. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3252. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3253. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3254. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3255. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3256. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3257. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3258. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3259. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3260. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3261. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3262. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3263. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3264. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3265. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3266. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3267. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3268. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3269. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3270. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3271. at java.lang.Thread.run(Thread.java:748)
  3272. 10:02:04.740 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3273. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3274. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3275. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3276. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3277. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3278. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3279. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3280. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3281. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3282. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3283. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3284. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3285. at java.lang.Thread.run(Thread.java:748)
  3286. 10:02:04.740 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3287. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3288. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3289. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3290. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3291. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3292. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3293. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3294. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3295. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3296. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3297. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3298. at java.lang.Thread.run(Thread.java:748)
  3299. 10:02:09.744 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3300. 10:02:09.744 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3301. java.net.ConnectException: Connection refused (Connection refused)
  3302. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3303. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3304. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3305. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3306. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3307. at java.net.Socket.connect(Socket.java:589)
  3308. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3309. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3310. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3311. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3312. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3313. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3314. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3315. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3316. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3317. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3318. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3319. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3320. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3321. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3322. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3323. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3324. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3325. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3326. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3327. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3328. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3329. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3330. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3331. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3332. at java.lang.Thread.run(Thread.java:748)
  3333. 10:02:09.745 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3334. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3335. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3336. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3337. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3338. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3339. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3340. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3341. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3342. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3343. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3344. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3345. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3346. at java.lang.Thread.run(Thread.java:748)
  3347. 10:02:09.745 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3348. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3349. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3350. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3351. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3352. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3353. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3354. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3355. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3356. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3357. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3358. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3359. at java.lang.Thread.run(Thread.java:748)
  3360. 10:02:14.748 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3361. 10:02:14.749 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3362. java.net.ConnectException: Connection refused (Connection refused)
  3363. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3364. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3365. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3366. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3367. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3368. at java.net.Socket.connect(Socket.java:589)
  3369. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3370. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3371. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3372. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3373. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3374. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3375. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3376. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3377. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3378. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3379. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3380. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3381. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3382. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3383. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3384. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3385. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3386. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3387. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3388. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3389. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3390. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3391. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3392. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3393. at java.lang.Thread.run(Thread.java:748)
  3394. 10:02:14.749 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3395. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3396. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3397. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3398. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3399. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3400. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3401. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3402. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3403. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3404. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3405. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3406. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3407. at java.lang.Thread.run(Thread.java:748)
  3408. 10:02:14.749 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3409. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3410. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3411. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3412. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3413. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3414. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3415. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3416. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3417. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3418. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3419. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3420. at java.lang.Thread.run(Thread.java:748)
  3421. 10:02:19.752 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3422. 10:02:19.752 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3423. java.net.ConnectException: Connection refused (Connection refused)
  3424. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3425. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3426. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3427. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3428. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3429. at java.net.Socket.connect(Socket.java:589)
  3430. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3431. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3432. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3433. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3434. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3435. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3436. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3437. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3438. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3439. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3440. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3441. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3442. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3443. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3444. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3445. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3446. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3447. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3448. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3449. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3450. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3451. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3452. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3453. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3454. at java.lang.Thread.run(Thread.java:748)
  3455. 10:02:19.752 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3456. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3457. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3458. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3459. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3460. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3461. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3462. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3463. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3464. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3465. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3466. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3467. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3468. at java.lang.Thread.run(Thread.java:748)
  3469. 10:02:19.752 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3470. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3471. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3472. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3473. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3474. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3475. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3476. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3477. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3478. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3479. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3480. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3481. at java.lang.Thread.run(Thread.java:748)
  3482. 10:02:24.758 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3483. 10:02:24.758 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3484. java.net.ConnectException: Connection refused (Connection refused)
  3485. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3486. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3487. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3488. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3489. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3490. at java.net.Socket.connect(Socket.java:589)
  3491. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3492. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3493. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3494. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3495. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3496. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3497. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3498. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3499. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3500. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3501. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3502. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3503. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3504. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3505. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3506. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3507. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3508. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3509. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3510. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3511. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3512. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3513. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3514. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3515. at java.lang.Thread.run(Thread.java:748)
  3516. 10:02:24.759 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3517. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3518. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3519. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3520. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3521. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3522. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3523. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3524. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3525. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3526. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3527. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3528. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3529. at java.lang.Thread.run(Thread.java:748)
  3530. 10:02:24.759 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3531. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3532. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3533. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3534. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3535. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3536. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3537. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3538. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3539. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3540. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3541. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3542. at java.lang.Thread.run(Thread.java:748)
  3543. 10:02:29.762 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3544. 10:02:29.762 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3545. java.net.ConnectException: Connection refused (Connection refused)
  3546. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3547. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3548. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3549. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3550. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3551. at java.net.Socket.connect(Socket.java:589)
  3552. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3553. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3554. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3555. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3556. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3557. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3558. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3559. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3560. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3561. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3562. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3563. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3564. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3565. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3566. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3567. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3568. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3569. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3570. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3571. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3572. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3573. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3574. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3575. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3576. at java.lang.Thread.run(Thread.java:748)
  3577. 10:02:29.762 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3578. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3579. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3580. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3581. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3582. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3583. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3584. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3585. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3586. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3587. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3588. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3589. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3590. at java.lang.Thread.run(Thread.java:748)
  3591. 10:02:29.762 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3592. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3593. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3594. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3595. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3596. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3597. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3598. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3599. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3600. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3601. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3602. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3603. at java.lang.Thread.run(Thread.java:748)
  3604. 10:02:34.768 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3605. 10:02:34.768 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3606. java.net.ConnectException: Connection refused (Connection refused)
  3607. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3608. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3609. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3610. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3611. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3612. at java.net.Socket.connect(Socket.java:589)
  3613. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3614. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3615. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3616. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3617. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3618. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3619. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3620. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3621. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3622. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3623. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3624. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3625. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3626. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3627. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3628. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3629. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3630. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3631. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3632. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3633. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3634. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3635. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3636. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3637. at java.lang.Thread.run(Thread.java:748)
  3638. 10:02:34.768 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3639. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3640. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3641. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3642. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3643. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3644. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3645. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3646. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3647. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3648. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3649. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3650. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3651. at java.lang.Thread.run(Thread.java:748)
  3652. 10:02:34.768 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3653. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3654. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3655. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3656. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3657. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3658. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3659. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3660. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3661. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3662. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3663. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3664. at java.lang.Thread.run(Thread.java:748)
  3665. 10:02:39.773 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3666. 10:02:39.773 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3667. java.net.ConnectException: Connection refused (Connection refused)
  3668. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3669. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3670. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3671. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3672. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3673. at java.net.Socket.connect(Socket.java:589)
  3674. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3675. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3676. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3677. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3678. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3679. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3680. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3681. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3682. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3683. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3684. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3685. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3686. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3687. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3688. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3689. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3690. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3691. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3692. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3693. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3694. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3695. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3696. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3697. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3698. at java.lang.Thread.run(Thread.java:748)
  3699. 10:02:39.773 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3700. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3701. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3702. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3703. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3704. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3705. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3706. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3707. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3708. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3709. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3710. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3711. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3712. at java.lang.Thread.run(Thread.java:748)
  3713. 10:02:39.773 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3714. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3715. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3716. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3717. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3718. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3719. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3720. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3721. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3722. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3723. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3724. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3725. at java.lang.Thread.run(Thread.java:748)
  3726. 10:02:44.778 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3727. 10:02:44.778 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3728. java.net.ConnectException: Connection refused (Connection refused)
  3729. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3730. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3731. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3732. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3733. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3734. at java.net.Socket.connect(Socket.java:589)
  3735. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3736. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3737. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3738. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3739. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3740. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3741. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3742. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3743. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3744. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3745. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3746. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3747. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3748. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3749. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3750. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3751. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3752. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3753. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3754. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3755. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3756. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3757. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3758. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3759. at java.lang.Thread.run(Thread.java:748)
  3760. 10:02:44.778 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3761. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3762. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3763. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3764. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3765. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3766. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3767. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3768. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3769. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3770. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3771. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3772. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3773. at java.lang.Thread.run(Thread.java:748)
  3774. 10:02:44.779 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3775. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3776. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3777. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3778. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3779. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3780. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3781. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3782. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3783. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3784. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3785. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3786. at java.lang.Thread.run(Thread.java:748)
  3787. 10:02:49.783 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3788. 10:02:49.783 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3789. java.net.ConnectException: Connection refused (Connection refused)
  3790. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3791. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3792. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3793. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3794. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3795. at java.net.Socket.connect(Socket.java:589)
  3796. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3797. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3798. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3799. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3800. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3801. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3802. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3803. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3804. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3805. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3806. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3807. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3808. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3809. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3810. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3811. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3812. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3813. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3814. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3815. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3816. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3817. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3818. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3819. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3820. at java.lang.Thread.run(Thread.java:748)
  3821. 10:02:49.783 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3822. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3823. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3824. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3825. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3826. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3827. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3828. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3829. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3830. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3831. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3832. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3833. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3834. at java.lang.Thread.run(Thread.java:748)
  3835. 10:02:49.783 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3836. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3837. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3838. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3839. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3840. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3841. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3842. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3843. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3844. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3845. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3846. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3847. at java.lang.Thread.run(Thread.java:748)
  3848. 10:02:54.788 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3849. 10:02:54.788 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3850. java.net.ConnectException: Connection refused (Connection refused)
  3851. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3852. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3853. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3854. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3855. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3856. at java.net.Socket.connect(Socket.java:589)
  3857. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3858. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3859. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3860. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3861. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3862. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3863. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3864. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3865. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3866. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3867. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3868. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3869. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3870. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3871. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3872. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3873. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3874. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3875. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3876. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3877. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3878. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3879. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3880. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3881. at java.lang.Thread.run(Thread.java:748)
  3882. 10:02:54.788 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3883. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3884. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3885. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3886. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3887. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3888. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3889. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3890. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3891. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3892. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3893. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3894. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3895. at java.lang.Thread.run(Thread.java:748)
  3896. 10:02:54.788 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3897. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3898. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3899. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3900. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3901. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3902. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3903. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3904. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3905. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3906. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3907. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3908. at java.lang.Thread.run(Thread.java:748)
  3909. 10:02:59.792 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3910. 10:02:59.792 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3911. java.net.ConnectException: Connection refused (Connection refused)
  3912. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3913. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3914. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3915. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3916. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3917. at java.net.Socket.connect(Socket.java:589)
  3918. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3919. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3920. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3921. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3922. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3923. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3924. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3925. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3926. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3927. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3928. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3929. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3930. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3931. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3932. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3933. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3934. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3935. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3936. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3937. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3938. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3939. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3940. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3941. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3942. at java.lang.Thread.run(Thread.java:748)
  3943. 10:02:59.792 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  3944. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3945. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  3946. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3947. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3948. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3949. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3950. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3951. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3952. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3953. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3954. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3955. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3956. at java.lang.Thread.run(Thread.java:748)
  3957. 10:02:59.792 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  3958. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  3959. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  3960. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3961. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3962. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3963. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3964. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3965. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  3966. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  3967. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  3968. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  3969. at java.lang.Thread.run(Thread.java:748)
  3970. 10:03:04.796 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  3971. 10:03:04.796 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  3972. java.net.ConnectException: Connection refused (Connection refused)
  3973. at java.net.PlainSocketImpl.socketConnect(Native Method)
  3974. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  3975. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  3976. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  3977. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  3978. at java.net.Socket.connect(Socket.java:589)
  3979. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  3980. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  3981. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  3982. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  3983. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  3984. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  3985. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  3986. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  3987. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  3988. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  3989. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  3990. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  3991. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  3992. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  3993. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  3994. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  3995. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  3996. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  3997. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  3998. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  3999. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4000. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4001. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4002. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4003. at java.lang.Thread.run(Thread.java:748)
  4004. 10:03:04.796 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4005. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4006. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4007. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4008. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4009. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4010. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4011. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4012. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4013. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4014. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4015. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4016. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4017. at java.lang.Thread.run(Thread.java:748)
  4018. 10:03:04.796 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4019. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4020. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4021. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4022. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4023. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4024. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4025. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4026. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4027. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4028. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4029. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4030. at java.lang.Thread.run(Thread.java:748)
  4031. 10:03:09.797 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4032. 10:03:09.798 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4033. java.net.ConnectException: Connection refused (Connection refused)
  4034. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4035. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4036. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4037. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4038. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4039. at java.net.Socket.connect(Socket.java:589)
  4040. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4041. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4042. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4043. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4044. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4045. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4046. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4047. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4048. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4049. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4050. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4051. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4052. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4053. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4054. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4055. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4056. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4057. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4058. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4059. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4060. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4061. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4062. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4063. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4064. at java.lang.Thread.run(Thread.java:748)
  4065. 10:03:09.798 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4066. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4067. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4068. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4069. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4070. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4071. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4072. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4073. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4074. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4075. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4076. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4077. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4078. at java.lang.Thread.run(Thread.java:748)
  4079. 10:03:09.798 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4080. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4081. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4082. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4083. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4084. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4085. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4086. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4087. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4088. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4089. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4090. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4091. at java.lang.Thread.run(Thread.java:748)
  4092. 10:03:14.801 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4093. 10:03:14.801 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4094. java.net.ConnectException: Connection refused (Connection refused)
  4095. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4096. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4097. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4098. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4099. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4100. at java.net.Socket.connect(Socket.java:589)
  4101. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4102. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4103. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4104. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4105. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4106. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4107. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4108. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4109. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4110. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4111. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4112. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4113. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4114. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4115. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4116. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4117. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4118. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4119. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4120. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4121. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4122. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4123. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4124. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4125. at java.lang.Thread.run(Thread.java:748)
  4126. 10:03:14.801 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4127. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4128. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4129. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4130. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4131. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4132. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4133. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4134. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4135. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4136. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4137. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4138. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4139. at java.lang.Thread.run(Thread.java:748)
  4140. 10:03:14.801 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4141. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4142. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4143. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4144. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4145. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4146. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4147. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4148. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4149. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4150. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4151. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4152. at java.lang.Thread.run(Thread.java:748)
  4153. 10:03:19.805 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4154. 10:03:19.806 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4155. java.net.ConnectException: Connection refused (Connection refused)
  4156. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4157. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4158. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4159. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4160. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4161. at java.net.Socket.connect(Socket.java:589)
  4162. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4163. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4164. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4165. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4166. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4167. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4168. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4169. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4170. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4171. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4172. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4173. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4174. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4175. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4176. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4177. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4178. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4179. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4180. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4181. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4182. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4183. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4184. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4185. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4186. at java.lang.Thread.run(Thread.java:748)
  4187. 10:03:19.806 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4188. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4189. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4190. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4191. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4192. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4193. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4194. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4195. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4196. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4197. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4198. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4199. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4200. at java.lang.Thread.run(Thread.java:748)
  4201. 10:03:19.806 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4202. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4203. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4204. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4205. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4206. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4207. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4208. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4209. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4210. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4211. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4212. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4213. at java.lang.Thread.run(Thread.java:748)
  4214. 10:03:24.811 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4215. 10:03:24.812 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4216. java.net.ConnectException: Connection refused (Connection refused)
  4217. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4218. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4219. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4220. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4221. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4222. at java.net.Socket.connect(Socket.java:589)
  4223. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4224. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4225. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4226. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4227. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4228. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4229. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4230. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4231. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4232. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4233. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4234. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4235. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4236. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4237. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4238. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4239. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4240. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4241. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4242. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4243. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4244. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4245. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4246. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4247. at java.lang.Thread.run(Thread.java:748)
  4248. 10:03:24.812 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4249. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4250. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4251. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4252. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4253. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4254. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4255. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4256. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4257. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4258. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4259. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4260. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4261. at java.lang.Thread.run(Thread.java:748)
  4262. 10:03:24.812 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4263. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4264. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4265. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4266. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4267. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4268. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4269. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4270. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4271. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4272. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4273. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4274. at java.lang.Thread.run(Thread.java:748)
  4275. 10:03:29.815 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4276. 10:03:29.815 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4277. java.net.ConnectException: Connection refused (Connection refused)
  4278. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4279. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4280. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4281. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4282. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4283. at java.net.Socket.connect(Socket.java:589)
  4284. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4285. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4286. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4287. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4288. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4289. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4290. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4291. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4292. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4293. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4294. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4295. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4296. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4297. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4298. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4299. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4300. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4301. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4302. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4303. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4304. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4305. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4306. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4307. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4308. at java.lang.Thread.run(Thread.java:748)
  4309. 10:03:29.815 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4310. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4311. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4312. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4313. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4314. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4315. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4316. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4317. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4318. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4319. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4320. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4321. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4322. at java.lang.Thread.run(Thread.java:748)
  4323. 10:03:29.816 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4324. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4325. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4326. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4327. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4328. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4329. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4330. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4331. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4332. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4333. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4334. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4335. at java.lang.Thread.run(Thread.java:748)
  4336. 10:03:34.816 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4337. 10:03:34.817 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4338. java.net.ConnectException: Connection refused (Connection refused)
  4339. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4340. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4341. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4342. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4343. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4344. at java.net.Socket.connect(Socket.java:589)
  4345. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4346. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4347. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4348. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4349. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4350. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4351. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4352. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4353. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4354. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4355. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4356. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4357. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4358. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4359. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4360. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4361. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4362. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4363. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4364. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4365. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4366. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4367. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4368. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4369. at java.lang.Thread.run(Thread.java:748)
  4370. 10:03:34.817 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4371. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4372. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4373. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4374. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4375. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4376. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4377. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4378. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4379. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4380. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4381. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4382. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4383. at java.lang.Thread.run(Thread.java:748)
  4384. 10:03:34.817 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4385. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4386. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4387. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4388. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4389. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4390. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4391. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4392. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4393. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4394. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4395. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4396. at java.lang.Thread.run(Thread.java:748)
  4397. 10:03:39.817 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4398. 10:03:39.818 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4399. java.net.ConnectException: Connection refused (Connection refused)
  4400. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4401. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4402. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4403. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4404. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4405. at java.net.Socket.connect(Socket.java:589)
  4406. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4407. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4408. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4409. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4410. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4411. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4412. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4413. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4414. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4415. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4416. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4417. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4418. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4419. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4420. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4421. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4422. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4423. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4424. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4425. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4426. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4427. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4428. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4429. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4430. at java.lang.Thread.run(Thread.java:748)
  4431. 10:03:39.819 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4432. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4433. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4434. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4435. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4436. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4437. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4438. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4439. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4440. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4441. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4442. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4443. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4444. at java.lang.Thread.run(Thread.java:748)
  4445. 10:03:39.819 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4446. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4447. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4448. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4449. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4450. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4451. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4452. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4453. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4454. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4455. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4456. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4457. at java.lang.Thread.run(Thread.java:748)
  4458. 10:03:44.820 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4459. 10:03:44.820 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4460. java.net.ConnectException: Connection refused (Connection refused)
  4461. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4462. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4463. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4464. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4465. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4466. at java.net.Socket.connect(Socket.java:589)
  4467. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4468. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4469. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4470. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4471. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4472. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4473. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4474. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4475. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4476. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4477. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4478. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4479. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4480. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4481. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4482. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4483. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4484. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4485. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4486. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4487. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4488. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4489. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4490. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4491. at java.lang.Thread.run(Thread.java:748)
  4492. 10:03:44.821 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4493. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4494. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4495. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4496. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4497. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4498. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4499. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4500. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4501. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4502. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4503. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4504. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4505. at java.lang.Thread.run(Thread.java:748)
  4506. 10:03:44.821 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4507. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4508. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4509. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4510. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4511. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4512. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4513. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4514. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4515. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4516. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4517. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4518. at java.lang.Thread.run(Thread.java:748)
  4519. 10:03:49.825 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4520. 10:03:49.826 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4521. java.net.ConnectException: Connection refused (Connection refused)
  4522. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4523. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4524. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4525. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4526. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4527. at java.net.Socket.connect(Socket.java:589)
  4528. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4529. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4530. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4531. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4532. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4533. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4534. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4535. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4536. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4537. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4538. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4539. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4540. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4541. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4542. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4543. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4544. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4545. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4546. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4547. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4548. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4549. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4550. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4551. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4552. at java.lang.Thread.run(Thread.java:748)
  4553. 10:03:49.826 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4554. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4555. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4556. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4557. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4558. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4559. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4560. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4561. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4562. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4563. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4564. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4565. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4566. at java.lang.Thread.run(Thread.java:748)
  4567. 10:03:49.826 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4568. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4569. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4570. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4571. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4572. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4573. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4574. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4575. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4576. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4577. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4578. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4579. at java.lang.Thread.run(Thread.java:748)
  4580. 10:03:54.827 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4581. 10:03:54.827 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4582. java.net.ConnectException: Connection refused (Connection refused)
  4583. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4584. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4585. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4586. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4587. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4588. at java.net.Socket.connect(Socket.java:589)
  4589. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4590. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4591. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4592. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4593. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4594. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4595. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4596. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4597. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4598. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4599. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4600. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4601. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4602. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4603. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4604. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4605. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4606. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4607. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4608. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4609. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4610. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4611. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4612. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4613. at java.lang.Thread.run(Thread.java:748)
  4614. 10:03:54.828 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4615. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4616. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4617. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4618. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4619. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4620. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4621. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4622. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4623. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4624. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4625. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4626. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4627. at java.lang.Thread.run(Thread.java:748)
  4628. 10:03:54.828 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4629. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4630. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4631. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4632. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4633. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4634. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4635. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4636. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4637. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4638. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4639. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4640. at java.lang.Thread.run(Thread.java:748)
  4641. 10:03:59.829 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4642. 10:03:59.829 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4643. java.net.ConnectException: Connection refused (Connection refused)
  4644. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4645. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4646. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4647. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4648. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4649. at java.net.Socket.connect(Socket.java:589)
  4650. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4651. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4652. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4653. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4654. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4655. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4656. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4657. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4658. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4659. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4660. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4661. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4662. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4663. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4664. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4665. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4666. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4667. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4668. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4669. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4670. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4671. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4672. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4673. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4674. at java.lang.Thread.run(Thread.java:748)
  4675. 10:03:59.830 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4676. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4677. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4678. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4679. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4680. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4681. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4682. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4683. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4684. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4685. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4686. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4687. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4688. at java.lang.Thread.run(Thread.java:748)
  4689. 10:03:59.830 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4690. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4691. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4692. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4693. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4694. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4695. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4696. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4697. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4698. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4699. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4700. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4701. at java.lang.Thread.run(Thread.java:748)
  4702. 10:04:04.834 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4703. 10:04:04.835 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4704. java.net.ConnectException: Connection refused (Connection refused)
  4705. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4706. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4707. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4708. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4709. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4710. at java.net.Socket.connect(Socket.java:589)
  4711. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4712. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4713. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4714. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4715. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4716. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4717. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4718. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4719. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4720. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4721. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4722. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4723. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4724. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4725. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4726. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4727. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4728. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4729. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4730. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4731. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4732. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4733. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4734. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4735. at java.lang.Thread.run(Thread.java:748)
  4736. 10:04:04.835 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4737. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4738. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4739. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4740. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4741. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4742. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4743. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4744. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4745. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4746. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4747. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4748. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4749. at java.lang.Thread.run(Thread.java:748)
  4750. 10:04:04.835 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4751. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4752. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4753. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4754. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4755. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4756. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4757. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4758. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4759. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4760. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4761. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4762. at java.lang.Thread.run(Thread.java:748)
  4763. 10:04:09.837 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4764. 10:04:09.837 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4765. java.net.ConnectException: Connection refused (Connection refused)
  4766. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4767. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4768. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4769. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4770. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4771. at java.net.Socket.connect(Socket.java:589)
  4772. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4773. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4774. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4775. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4776. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4777. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4778. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4779. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4780. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4781. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4782. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4783. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4784. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4785. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4786. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4787. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4788. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4789. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4790. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4791. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4792. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4793. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4794. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4795. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4796. at java.lang.Thread.run(Thread.java:748)
  4797. 10:04:09.837 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4798. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4799. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4800. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4801. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4802. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4803. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4804. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4805. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4806. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4807. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4808. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4809. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4810. at java.lang.Thread.run(Thread.java:748)
  4811. 10:04:09.838 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4812. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4813. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4814. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4815. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4816. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4817. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4818. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4819. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4820. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4821. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4822. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4823. at java.lang.Thread.run(Thread.java:748)
  4824. 10:04:14.842 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4825. 10:04:14.842 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4826. java.net.ConnectException: Connection refused (Connection refused)
  4827. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4828. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4829. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4830. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4831. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4832. at java.net.Socket.connect(Socket.java:589)
  4833. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4834. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4835. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4836. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4837. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4838. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4839. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4840. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4841. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4842. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4843. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4844. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4845. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4846. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4847. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4848. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4849. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4850. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4851. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4852. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4853. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4854. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4855. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4856. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4857. at java.lang.Thread.run(Thread.java:748)
  4858. 10:04:14.842 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4859. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4860. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4861. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4862. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4863. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4864. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4865. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4866. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4867. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4868. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4869. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4870. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4871. at java.lang.Thread.run(Thread.java:748)
  4872. 10:04:14.842 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4873. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4874. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4875. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4876. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4877. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4878. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4879. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4880. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4881. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4882. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4883. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4884. at java.lang.Thread.run(Thread.java:748)
  4885. 10:04:19.847 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4886. 10:04:19.848 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4887. java.net.ConnectException: Connection refused (Connection refused)
  4888. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4889. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4890. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4891. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4892. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4893. at java.net.Socket.connect(Socket.java:589)
  4894. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4895. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4896. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4897. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4898. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4899. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4900. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4901. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4902. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4903. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4904. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4905. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4906. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4907. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4908. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4909. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4910. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4911. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4912. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4913. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4914. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4915. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4916. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4917. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4918. at java.lang.Thread.run(Thread.java:748)
  4919. 10:04:19.848 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4920. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4921. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4922. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4923. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4924. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4925. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4926. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4927. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4928. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4929. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4930. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4931. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4932. at java.lang.Thread.run(Thread.java:748)
  4933. 10:04:19.848 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4934. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4935. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4936. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4937. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4938. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4939. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4940. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4941. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4942. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4943. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4944. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4945. at java.lang.Thread.run(Thread.java:748)
  4946. 10:04:24.849 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  4947. 10:04:24.849 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  4948. java.net.ConnectException: Connection refused (Connection refused)
  4949. at java.net.PlainSocketImpl.socketConnect(Native Method)
  4950. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  4951. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  4952. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  4953. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  4954. at java.net.Socket.connect(Socket.java:589)
  4955. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  4956. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  4957. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  4958. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  4959. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  4960. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  4961. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  4962. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  4963. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  4964. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  4965. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  4966. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  4967. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  4968. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  4969. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4970. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4971. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4972. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4973. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4974. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4975. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4976. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4977. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4978. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4979. at java.lang.Thread.run(Thread.java:748)
  4980. 10:04:24.849 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  4981. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4982. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  4983. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  4984. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4985. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4986. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  4987. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  4988. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  4989. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  4990. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  4991. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  4992. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  4993. at java.lang.Thread.run(Thread.java:748)
  4994. 10:04:24.849 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  4995. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  4996. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  4997. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  4998. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  4999. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5000. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5001. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5002. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5003. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5004. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5005. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5006. at java.lang.Thread.run(Thread.java:748)
  5007. 10:04:29.855 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5008. 10:04:29.855 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5009. java.net.ConnectException: Connection refused (Connection refused)
  5010. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5011. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5012. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5013. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5014. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5015. at java.net.Socket.connect(Socket.java:589)
  5016. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5017. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5018. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5019. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5020. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5021. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5022. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5023. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5024. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5025. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5026. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5027. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5028. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5029. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5030. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5031. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5032. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5033. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5034. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5035. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5036. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5037. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5038. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5039. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5040. at java.lang.Thread.run(Thread.java:748)
  5041. 10:04:29.855 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5042. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5043. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5044. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5045. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5046. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5047. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5048. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5049. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5050. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5051. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5052. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5053. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5054. at java.lang.Thread.run(Thread.java:748)
  5055. 10:04:29.855 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5056. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5057. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5058. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5059. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5060. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5061. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5062. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5063. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5064. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5065. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5066. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5067. at java.lang.Thread.run(Thread.java:748)
  5068. 10:04:34.861 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5069. 10:04:34.861 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5070. java.net.ConnectException: Connection refused (Connection refused)
  5071. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5072. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5073. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5074. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5075. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5076. at java.net.Socket.connect(Socket.java:589)
  5077. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5078. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5079. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5080. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5081. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5082. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5083. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5084. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5085. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5086. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5087. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5088. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5089. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5090. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5091. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5092. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5093. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5094. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5095. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5096. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5097. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5098. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5099. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5100. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5101. at java.lang.Thread.run(Thread.java:748)
  5102. 10:04:34.861 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5103. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5104. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5105. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5106. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5107. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5108. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5109. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5110. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5111. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5112. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5113. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5114. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5115. at java.lang.Thread.run(Thread.java:748)
  5116. 10:04:34.861 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5117. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5118. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5119. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5120. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5121. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5122. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5123. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5124. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5125. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5126. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5127. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5128. at java.lang.Thread.run(Thread.java:748)
  5129. 10:04:39.867 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5130. 10:04:39.867 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5131. java.net.ConnectException: Connection refused (Connection refused)
  5132. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5133. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5134. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5135. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5136. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5137. at java.net.Socket.connect(Socket.java:589)
  5138. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5139. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5140. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5141. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5142. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5143. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5144. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5145. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5146. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5147. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5148. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5149. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5150. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5151. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5152. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5153. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5154. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5155. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5156. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5157. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5158. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5159. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5160. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5161. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5162. at java.lang.Thread.run(Thread.java:748)
  5163. 10:04:39.867 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5164. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5165. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5166. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5167. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5168. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5169. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5170. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5171. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5172. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5173. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5174. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5175. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5176. at java.lang.Thread.run(Thread.java:748)
  5177. 10:04:39.867 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5178. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5179. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5180. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5181. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5182. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5183. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5184. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5185. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5186. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5187. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5188. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5189. at java.lang.Thread.run(Thread.java:748)
  5190. 10:04:44.872 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5191. 10:04:44.872 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5192. java.net.ConnectException: Connection refused (Connection refused)
  5193. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5194. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5195. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5196. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5197. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5198. at java.net.Socket.connect(Socket.java:589)
  5199. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5200. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5201. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5202. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5203. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5204. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5205. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5206. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5207. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5208. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5209. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5210. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5211. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5212. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5213. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5214. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5215. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5216. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5217. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5218. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5219. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5220. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5221. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5222. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5223. at java.lang.Thread.run(Thread.java:748)
  5224. 10:04:44.873 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5225. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5226. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5227. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5228. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5229. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5230. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5231. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5232. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5233. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5234. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5235. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5236. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5237. at java.lang.Thread.run(Thread.java:748)
  5238. 10:04:44.873 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5239. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5240. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5241. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5242. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5243. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5244. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5245. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5246. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5247. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5248. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5249. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5250. at java.lang.Thread.run(Thread.java:748)
  5251. 10:04:49.876 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5252. 10:04:49.877 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5253. java.net.ConnectException: Connection refused (Connection refused)
  5254. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5255. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5256. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5257. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5258. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5259. at java.net.Socket.connect(Socket.java:589)
  5260. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5261. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5262. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5263. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5264. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5265. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5266. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5267. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5268. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5269. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5270. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5271. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5272. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5273. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5274. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5275. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5276. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5277. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5278. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5279. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5280. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5281. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5282. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5283. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5284. at java.lang.Thread.run(Thread.java:748)
  5285. 10:04:49.877 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5286. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5287. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5288. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5289. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5290. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5291. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5292. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5293. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5294. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5295. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5296. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5297. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5298. at java.lang.Thread.run(Thread.java:748)
  5299. 10:04:49.877 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5300. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5301. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5302. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5303. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5304. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5305. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5306. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5307. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5308. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5309. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5310. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5311. at java.lang.Thread.run(Thread.java:748)
  5312. 10:04:54.881 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5313. 10:04:54.881 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5314. java.net.ConnectException: Connection refused (Connection refused)
  5315. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5316. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5317. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5318. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5319. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5320. at java.net.Socket.connect(Socket.java:589)
  5321. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5322. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5323. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5324. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5325. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5326. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5327. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5328. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5329. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5330. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5331. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5332. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5333. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5334. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5335. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5336. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5337. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5338. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5339. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5340. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5341. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5342. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5343. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5344. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5345. at java.lang.Thread.run(Thread.java:748)
  5346. 10:04:54.882 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5347. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5348. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5349. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5350. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5351. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5352. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5353. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5354. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5355. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5356. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5357. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5358. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5359. at java.lang.Thread.run(Thread.java:748)
  5360. 10:04:54.882 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5361. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5362. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5363. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5364. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5365. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5366. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5367. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5368. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5369. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5370. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5371. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5372. at java.lang.Thread.run(Thread.java:748)
  5373. 10:04:59.884 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5374. 10:04:59.885 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5375. java.net.ConnectException: Connection refused (Connection refused)
  5376. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5377. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5378. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5379. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5380. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5381. at java.net.Socket.connect(Socket.java:589)
  5382. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5383. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5384. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5385. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5386. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5387. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5388. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5389. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5390. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5391. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5392. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5393. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5394. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5395. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5396. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5397. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5398. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5399. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5400. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5401. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5402. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5403. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5404. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5405. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5406. at java.lang.Thread.run(Thread.java:748)
  5407. 10:04:59.885 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5408. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5409. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5410. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5411. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5412. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5413. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5414. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5415. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5416. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5417. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5418. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5419. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5420. at java.lang.Thread.run(Thread.java:748)
  5421. 10:04:59.885 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5422. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5423. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5424. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5425. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5426. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5427. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5428. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5429. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5430. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5431. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5432. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5433. at java.lang.Thread.run(Thread.java:748)
  5434. 10:05:04.891 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5435. 10:05:04.891 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5436. java.net.ConnectException: Connection refused (Connection refused)
  5437. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5438. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5439. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5440. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5441. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5442. at java.net.Socket.connect(Socket.java:589)
  5443. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5444. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5445. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5446. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5447. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5448. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5449. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5450. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5451. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5452. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5453. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5454. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5455. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5456. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5457. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5458. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5459. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5460. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5461. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5462. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5463. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5464. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5465. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5466. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5467. at java.lang.Thread.run(Thread.java:748)
  5468. 10:05:04.891 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5469. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5470. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5471. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5472. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5473. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5474. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5475. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5476. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5477. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5478. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5479. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5480. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5481. at java.lang.Thread.run(Thread.java:748)
  5482. 10:05:04.891 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5483. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5484. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5485. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5486. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5487. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5488. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5489. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5490. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5491. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5492. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5493. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5494. at java.lang.Thread.run(Thread.java:748)
  5495. 10:05:09.895 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5496. 10:05:09.895 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5497. java.net.ConnectException: Connection refused (Connection refused)
  5498. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5499. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5500. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5501. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5502. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5503. at java.net.Socket.connect(Socket.java:589)
  5504. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5505. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5506. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5507. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5508. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5509. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5510. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5511. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5512. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5513. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5514. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5515. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5516. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5517. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5518. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5519. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5520. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5521. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5522. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5523. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5524. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5525. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5526. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5527. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5528. at java.lang.Thread.run(Thread.java:748)
  5529. 10:05:09.895 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5530. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5531. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5532. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5533. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5534. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5535. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5536. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5537. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5538. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5539. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5540. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5541. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5542. at java.lang.Thread.run(Thread.java:748)
  5543. 10:05:09.895 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5544. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5545. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5546. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5547. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5548. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5549. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5550. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5551. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5552. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5553. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5554. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5555. at java.lang.Thread.run(Thread.java:748)
  5556. 10:05:14.899 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5557. 10:05:14.899 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5558. java.net.ConnectException: Connection refused (Connection refused)
  5559. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5560. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5561. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5562. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5563. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5564. at java.net.Socket.connect(Socket.java:589)
  5565. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5566. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5567. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5568. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5569. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5570. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5571. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5572. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5573. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5574. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5575. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5576. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5577. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5578. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5579. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5580. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5581. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5582. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5583. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5584. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5585. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5586. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5587. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5588. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5589. at java.lang.Thread.run(Thread.java:748)
  5590. 10:05:14.900 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5591. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5592. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5593. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5594. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5595. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5596. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5597. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5598. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5599. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5600. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5601. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5602. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5603. at java.lang.Thread.run(Thread.java:748)
  5604. 10:05:14.900 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5605. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5606. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5607. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5608. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5609. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5610. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5611. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5612. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5613. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5614. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5615. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5616. at java.lang.Thread.run(Thread.java:748)
  5617. 10:05:19.904 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5618. 10:05:19.905 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5619. java.net.ConnectException: Connection refused (Connection refused)
  5620. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5621. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5622. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5623. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5624. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5625. at java.net.Socket.connect(Socket.java:589)
  5626. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5627. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5628. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5629. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5630. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5631. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5632. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5633. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5634. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5635. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5636. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5637. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5638. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5639. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5640. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5641. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5642. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5643. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5644. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5645. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5646. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5647. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5648. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5649. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5650. at java.lang.Thread.run(Thread.java:748)
  5651. 10:05:19.905 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5652. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5653. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5654. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5655. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5656. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5657. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5658. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5659. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5660. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5661. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5662. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5663. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5664. at java.lang.Thread.run(Thread.java:748)
  5665. 10:05:19.905 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5666. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5667. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5668. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5669. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5670. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5671. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5672. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5673. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5674. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5675. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5676. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5677. at java.lang.Thread.run(Thread.java:748)
  5678. 10:05:24.910 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5679. 10:05:24.910 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5680. java.net.ConnectException: Connection refused (Connection refused)
  5681. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5682. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5683. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5684. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5685. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5686. at java.net.Socket.connect(Socket.java:589)
  5687. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5688. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5689. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5690. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5691. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5692. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5693. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5694. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5695. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5696. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5697. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5698. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5699. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5700. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5701. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5702. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5703. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5704. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5705. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5706. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5707. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5708. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5709. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5710. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5711. at java.lang.Thread.run(Thread.java:748)
  5712. 10:05:24.911 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5713. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5714. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5715. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5716. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5717. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5718. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5719. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5720. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5721. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5722. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5723. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5724. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5725. at java.lang.Thread.run(Thread.java:748)
  5726. 10:05:24.911 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5727. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5728. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5729. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5730. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5731. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5732. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5733. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5734. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5735. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5736. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5737. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5738. at java.lang.Thread.run(Thread.java:748)
  5739. 10:05:29.913 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5740. 10:05:29.913 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5741. java.net.ConnectException: Connection refused (Connection refused)
  5742. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5743. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5744. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5745. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5746. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5747. at java.net.Socket.connect(Socket.java:589)
  5748. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5749. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5750. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5751. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5752. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5753. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5754. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5755. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5756. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5757. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5758. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5759. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5760. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5761. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5762. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5763. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5764. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5765. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5766. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5767. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5768. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5769. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5770. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5771. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5772. at java.lang.Thread.run(Thread.java:748)
  5773. 10:05:29.913 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5774. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5775. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5776. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5777. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5778. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5779. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5780. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5781. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5782. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5783. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5784. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5785. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5786. at java.lang.Thread.run(Thread.java:748)
  5787. 10:05:29.913 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5788. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5789. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5790. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5791. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5792. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5793. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5794. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5795. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5796. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5797. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5798. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5799. at java.lang.Thread.run(Thread.java:748)
  5800. 10:05:34.915 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5801. 10:05:34.915 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5802. java.net.ConnectException: Connection refused (Connection refused)
  5803. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5804. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5805. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5806. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5807. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5808. at java.net.Socket.connect(Socket.java:589)
  5809. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5810. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5811. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5812. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5813. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5814. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5815. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5816. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5817. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5818. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5819. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5820. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5821. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5822. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5823. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5824. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5825. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5826. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5827. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5828. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5829. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5830. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5831. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5832. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5833. at java.lang.Thread.run(Thread.java:748)
  5834. 10:05:34.915 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5835. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5836. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5837. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5838. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5839. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5840. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5841. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5842. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5843. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5844. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5845. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5846. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5847. at java.lang.Thread.run(Thread.java:748)
  5848. 10:05:34.915 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5849. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5850. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5851. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5852. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5853. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5854. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5855. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5856. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5857. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5858. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5859. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5860. at java.lang.Thread.run(Thread.java:748)
  5861. 10:05:39.917 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5862. 10:05:39.918 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5863. java.net.ConnectException: Connection refused (Connection refused)
  5864. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5865. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5866. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5867. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5868. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5869. at java.net.Socket.connect(Socket.java:589)
  5870. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5871. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5872. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5873. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5874. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5875. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5876. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5877. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5878. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5879. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5880. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5881. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5882. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5883. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5884. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5885. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5886. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5887. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5888. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5889. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5890. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5891. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5892. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5893. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5894. at java.lang.Thread.run(Thread.java:748)
  5895. 10:05:39.918 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5896. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5897. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5898. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5899. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5900. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5901. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5902. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5903. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5904. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5905. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5906. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5907. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5908. at java.lang.Thread.run(Thread.java:748)
  5909. 10:05:39.918 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5910. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5911. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5912. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5913. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5914. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5915. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5916. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5917. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5918. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5919. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5920. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5921. at java.lang.Thread.run(Thread.java:748)
  5922. 10:05:44.921 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5923. 10:05:44.921 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5924. java.net.ConnectException: Connection refused (Connection refused)
  5925. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5926. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5927. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5928. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5929. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5930. at java.net.Socket.connect(Socket.java:589)
  5931. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5932. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5933. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5934. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5935. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5936. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5937. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5938. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  5939. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  5940. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  5941. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  5942. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  5943. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  5944. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  5945. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5946. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5947. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5948. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5949. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5950. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5951. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5952. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5953. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5954. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5955. at java.lang.Thread.run(Thread.java:748)
  5956. 10:05:44.921 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  5957. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5958. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  5959. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  5960. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5961. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5962. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5963. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5964. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5965. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5966. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5967. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5968. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5969. at java.lang.Thread.run(Thread.java:748)
  5970. 10:05:44.921 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  5971. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  5972. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  5973. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  5974. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  5975. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  5976. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  5977. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  5978. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  5979. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  5980. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  5981. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  5982. at java.lang.Thread.run(Thread.java:748)
  5983. 10:05:49.926 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  5984. 10:05:49.926 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  5985. java.net.ConnectException: Connection refused (Connection refused)
  5986. at java.net.PlainSocketImpl.socketConnect(Native Method)
  5987. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  5988. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  5989. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  5990. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  5991. at java.net.Socket.connect(Socket.java:589)
  5992. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  5993. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  5994. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  5995. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  5996. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  5997. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  5998. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  5999. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6000. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6001. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6002. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6003. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6004. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6005. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6006. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6007. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6008. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6009. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6010. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6011. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6012. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6013. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6014. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6015. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6016. at java.lang.Thread.run(Thread.java:748)
  6017. 10:05:49.926 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6018. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6019. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6020. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6021. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6022. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6023. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6024. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6025. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6026. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6027. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6028. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6029. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6030. at java.lang.Thread.run(Thread.java:748)
  6031. 10:05:49.926 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6032. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6033. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6034. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6035. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6036. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6037. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6038. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6039. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6040. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6041. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6042. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6043. at java.lang.Thread.run(Thread.java:748)
  6044. 10:05:54.928 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6045. 10:05:54.928 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6046. java.net.ConnectException: Connection refused (Connection refused)
  6047. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6048. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6049. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6050. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6051. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6052. at java.net.Socket.connect(Socket.java:589)
  6053. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6054. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6055. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6056. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6057. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6058. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6059. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6060. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6061. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6062. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6063. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6064. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6065. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6066. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6067. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6068. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6069. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6070. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6071. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6072. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6073. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6074. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6075. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6076. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6077. at java.lang.Thread.run(Thread.java:748)
  6078. 10:05:54.928 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6079. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6080. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6081. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6082. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6083. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6084. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6085. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6086. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6087. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6088. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6089. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6090. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6091. at java.lang.Thread.run(Thread.java:748)
  6092. 10:05:54.928 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6093. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6094. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6095. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6096. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6097. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6098. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6099. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6100. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6101. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6102. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6103. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6104. at java.lang.Thread.run(Thread.java:748)
  6105. 10:05:59.929 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6106. 10:05:59.929 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6107. java.net.ConnectException: Connection refused (Connection refused)
  6108. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6109. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6110. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6111. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6112. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6113. at java.net.Socket.connect(Socket.java:589)
  6114. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6115. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6116. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6117. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6118. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6119. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6120. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6121. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6122. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6123. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6124. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6125. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6126. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6127. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6128. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6129. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6130. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6131. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6132. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6133. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6134. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6135. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6136. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6137. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6138. at java.lang.Thread.run(Thread.java:748)
  6139. 10:05:59.929 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6140. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6141. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6142. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6143. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6144. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6145. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6146. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6147. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6148. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6149. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6150. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6151. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6152. at java.lang.Thread.run(Thread.java:748)
  6153. 10:05:59.930 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6154. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6155. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6156. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6157. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6158. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6159. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6160. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6161. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6162. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6163. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6164. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6165. at java.lang.Thread.run(Thread.java:748)
  6166. 10:06:04.933 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6167. 10:06:04.933 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6168. java.net.ConnectException: Connection refused (Connection refused)
  6169. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6170. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6171. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6172. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6173. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6174. at java.net.Socket.connect(Socket.java:589)
  6175. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6176. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6177. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6178. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6179. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6180. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6181. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6182. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6183. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6184. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6185. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6186. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6187. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6188. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6189. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6190. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6191. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6192. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6193. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6194. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6195. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6196. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6197. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6198. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6199. at java.lang.Thread.run(Thread.java:748)
  6200. 10:06:04.933 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6201. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6202. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6203. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6204. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6205. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6206. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6207. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6208. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6209. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6210. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6211. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6212. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6213. at java.lang.Thread.run(Thread.java:748)
  6214. 10:06:04.933 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6215. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6216. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6217. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6218. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6219. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6220. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6221. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6222. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6223. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6224. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6225. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6226. at java.lang.Thread.run(Thread.java:748)
  6227. 10:06:09.937 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6228. 10:06:09.937 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6229. java.net.ConnectException: Connection refused (Connection refused)
  6230. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6231. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6232. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6233. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6234. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6235. at java.net.Socket.connect(Socket.java:589)
  6236. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6237. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6238. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6239. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6240. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6241. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6242. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6243. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6244. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6245. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6246. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6247. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6248. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6249. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6250. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6251. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6252. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6253. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6254. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6255. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6256. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6257. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6258. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6259. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6260. at java.lang.Thread.run(Thread.java:748)
  6261. 10:06:09.938 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6262. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6263. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6264. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6265. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6266. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6267. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6268. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6269. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6270. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6271. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6272. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6273. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6274. at java.lang.Thread.run(Thread.java:748)
  6275. 10:06:09.938 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6276. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6277. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6278. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6279. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6280. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6281. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6282. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6283. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6284. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6285. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6286. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6287. at java.lang.Thread.run(Thread.java:748)
  6288. 10:06:14.939 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6289. 10:06:14.939 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6290. java.net.ConnectException: Connection refused (Connection refused)
  6291. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6292. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6293. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6294. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6295. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6296. at java.net.Socket.connect(Socket.java:589)
  6297. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6298. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6299. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6300. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6301. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6302. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6303. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6304. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6305. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6306. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6307. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6308. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6309. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6310. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6311. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6312. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6313. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6314. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6315. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6316. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6317. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6318. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6319. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6320. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6321. at java.lang.Thread.run(Thread.java:748)
  6322. 10:06:14.939 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6323. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6324. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6325. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6326. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6327. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6328. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6329. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6330. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6331. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6332. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6333. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6334. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6335. at java.lang.Thread.run(Thread.java:748)
  6336. 10:06:14.939 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6337. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6338. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6339. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6340. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6341. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6342. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6343. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6344. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6345. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6346. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6347. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6348. at java.lang.Thread.run(Thread.java:748)
  6349. 10:06:19.945 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6350. 10:06:19.945 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6351. java.net.ConnectException: Connection refused (Connection refused)
  6352. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6353. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6354. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6355. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6356. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6357. at java.net.Socket.connect(Socket.java:589)
  6358. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6359. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6360. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6361. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6362. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6363. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6364. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6365. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6366. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6367. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6368. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6369. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6370. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6371. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6372. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6373. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6374. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6375. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6376. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6377. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6378. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6379. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6380. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6381. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6382. at java.lang.Thread.run(Thread.java:748)
  6383. 10:06:19.945 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6384. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6385. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6386. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6387. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6388. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6389. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6390. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6391. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6392. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6393. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6394. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6395. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6396. at java.lang.Thread.run(Thread.java:748)
  6397. 10:06:19.945 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6398. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6399. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6400. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6401. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6402. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6403. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6404. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6405. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6406. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6407. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6408. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6409. at java.lang.Thread.run(Thread.java:748)
  6410. 10:06:24.950 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6411. 10:06:24.951 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6412. java.net.ConnectException: Connection refused (Connection refused)
  6413. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6414. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6415. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6416. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6417. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6418. at java.net.Socket.connect(Socket.java:589)
  6419. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6420. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6421. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6422. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6423. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6424. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6425. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6426. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6427. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6428. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6429. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6430. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6431. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6432. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6433. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6434. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6435. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6436. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6437. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6438. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6439. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6440. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6441. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6442. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6443. at java.lang.Thread.run(Thread.java:748)
  6444. 10:06:24.951 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6445. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6446. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6447. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6448. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6449. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6450. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6451. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6452. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6453. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6454. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6455. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6456. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6457. at java.lang.Thread.run(Thread.java:748)
  6458. 10:06:24.951 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6459. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6460. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6461. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6462. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6463. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6464. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6465. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6466. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6467. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6468. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6469. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6470. at java.lang.Thread.run(Thread.java:748)
  6471. 10:06:29.955 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6472. 10:06:29.956 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6473. java.net.ConnectException: Connection refused (Connection refused)
  6474. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6475. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6476. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6477. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6478. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6479. at java.net.Socket.connect(Socket.java:589)
  6480. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6481. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6482. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6483. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6484. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6485. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6486. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6487. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6488. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6489. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6490. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6491. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6492. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6493. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6494. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6495. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6496. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6497. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6498. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6499. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6500. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6501. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6502. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6503. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6504. at java.lang.Thread.run(Thread.java:748)
  6505. 10:06:29.956 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6506. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6507. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6508. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6509. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6510. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6511. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6512. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6513. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6514. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6515. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6516. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6517. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6518. at java.lang.Thread.run(Thread.java:748)
  6519. 10:06:29.957 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6520. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6521. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6522. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6523. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6524. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6525. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6526. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6527. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6528. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6529. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6530. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6531. at java.lang.Thread.run(Thread.java:748)
  6532. 10:06:34.962 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6533. 10:06:34.962 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6534. java.net.ConnectException: Connection refused (Connection refused)
  6535. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6536. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6537. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6538. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6539. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6540. at java.net.Socket.connect(Socket.java:589)
  6541. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6542. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6543. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6544. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6545. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6546. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6547. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6548. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6549. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6550. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6551. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6552. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6553. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6554. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6555. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6556. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6557. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6558. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6559. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6560. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6561. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6562. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6563. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6564. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6565. at java.lang.Thread.run(Thread.java:748)
  6566. 10:06:34.962 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6567. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6568. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6569. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6570. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6571. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6572. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6573. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6574. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6575. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6576. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6577. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6578. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6579. at java.lang.Thread.run(Thread.java:748)
  6580. 10:06:34.962 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6581. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6582. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6583. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6584. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6585. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6586. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6587. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6588. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6589. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6590. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6591. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6592. at java.lang.Thread.run(Thread.java:748)
  6593. 10:06:39.964 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6594. 10:06:39.964 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6595. java.net.ConnectException: Connection refused (Connection refused)
  6596. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6597. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6598. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6599. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6600. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6601. at java.net.Socket.connect(Socket.java:589)
  6602. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6603. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6604. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6605. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6606. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6607. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6608. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6609. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6610. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6611. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6612. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6613. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6614. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6615. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6616. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6617. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6618. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6619. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6620. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6621. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6622. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6623. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6624. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6625. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6626. at java.lang.Thread.run(Thread.java:748)
  6627. 10:06:39.965 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6628. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6629. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6630. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6631. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6632. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6633. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6634. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6635. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6636. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6637. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6638. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6639. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6640. at java.lang.Thread.run(Thread.java:748)
  6641. 10:06:39.965 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6642. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6643. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6644. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6645. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6646. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6647. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6648. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6649. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6650. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6651. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6652. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6653. at java.lang.Thread.run(Thread.java:748)
  6654. 10:06:44.968 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6655. 10:06:44.968 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6656. java.net.ConnectException: Connection refused (Connection refused)
  6657. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6658. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6659. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6660. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6661. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6662. at java.net.Socket.connect(Socket.java:589)
  6663. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6664. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6665. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6666. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6667. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6668. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6669. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6670. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6671. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6672. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6673. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6674. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6675. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6676. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6677. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6678. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6679. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6680. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6681. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6682. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6683. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6684. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6685. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6686. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6687. at java.lang.Thread.run(Thread.java:748)
  6688. 10:06:44.968 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6689. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6690. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6691. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6692. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6693. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6694. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6695. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6696. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6697. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6698. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6699. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6700. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6701. at java.lang.Thread.run(Thread.java:748)
  6702. 10:06:44.968 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6703. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6704. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6705. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6706. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6707. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6708. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6709. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6710. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6711. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6712. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6713. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6714. at java.lang.Thread.run(Thread.java:748)
  6715. 10:06:49.972 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6716. 10:06:49.972 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6717. java.net.ConnectException: Connection refused (Connection refused)
  6718. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6719. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6720. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6721. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6722. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6723. at java.net.Socket.connect(Socket.java:589)
  6724. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6725. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6726. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6727. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6728. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6729. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6730. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6731. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6732. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6733. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6734. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6735. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6736. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6737. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6738. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6739. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6740. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6741. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6742. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6743. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6744. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6745. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6746. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6747. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6748. at java.lang.Thread.run(Thread.java:748)
  6749. 10:06:49.972 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6750. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6751. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6752. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6753. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6754. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6755. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6756. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6757. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6758. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6759. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6760. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6761. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6762. at java.lang.Thread.run(Thread.java:748)
  6763. 10:06:49.972 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6764. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6765. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6766. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6767. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6768. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6769. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6770. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6771. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6772. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6773. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6774. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6775. at java.lang.Thread.run(Thread.java:748)
  6776. 10:06:54.976 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6777. 10:06:54.977 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6778. java.net.ConnectException: Connection refused (Connection refused)
  6779. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6780. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6781. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6782. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6783. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6784. at java.net.Socket.connect(Socket.java:589)
  6785. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6786. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6787. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6788. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6789. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6790. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6791. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6792. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6793. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6794. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6795. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6796. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6797. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6798. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6799. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6800. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6801. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6802. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6803. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6804. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6805. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6806. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6807. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6808. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6809. at java.lang.Thread.run(Thread.java:748)
  6810. 10:06:54.977 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6811. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6812. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6813. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6814. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6815. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6816. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6817. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6818. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6819. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6820. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6821. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6822. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6823. at java.lang.Thread.run(Thread.java:748)
  6824. 10:06:54.977 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6825. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6826. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6827. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6828. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6829. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6830. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6831. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6832. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6833. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6834. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6835. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6836. at java.lang.Thread.run(Thread.java:748)
  6837. 10:06:59.980 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6838. 10:06:59.980 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6839. java.net.ConnectException: Connection refused (Connection refused)
  6840. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6841. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6842. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6843. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6844. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6845. at java.net.Socket.connect(Socket.java:589)
  6846. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6847. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6848. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6849. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6850. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6851. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6852. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6853. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6854. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6855. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6856. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6857. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6858. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6859. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6860. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6861. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6862. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6863. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6864. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6865. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6866. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6867. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6868. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6869. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6870. at java.lang.Thread.run(Thread.java:748)
  6871. 10:06:59.980 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6872. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6873. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6874. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6875. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6876. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6877. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6878. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6879. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6880. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6881. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6882. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6883. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6884. at java.lang.Thread.run(Thread.java:748)
  6885. 10:06:59.980 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6886. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6887. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6888. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6889. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6890. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6891. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6892. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6893. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6894. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6895. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6896. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6897. at java.lang.Thread.run(Thread.java:748)
  6898. 10:07:04.985 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6899. 10:07:04.985 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6900. java.net.ConnectException: Connection refused (Connection refused)
  6901. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6902. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6903. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6904. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6905. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6906. at java.net.Socket.connect(Socket.java:589)
  6907. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6908. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6909. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6910. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6911. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6912. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6913. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6914. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6915. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6916. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6917. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6918. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6919. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6920. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6921. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6922. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6923. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6924. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6925. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6926. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6927. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6928. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6929. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6930. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6931. at java.lang.Thread.run(Thread.java:748)
  6932. 10:07:04.985 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6933. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6934. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6935. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6936. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6937. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6938. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6939. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6940. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6941. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6942. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6943. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6944. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6945. at java.lang.Thread.run(Thread.java:748)
  6946. 10:07:04.985 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  6947. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6948. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  6949. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6950. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6951. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6952. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6953. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6954. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6955. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6956. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6957. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6958. at java.lang.Thread.run(Thread.java:748)
  6959. 10:07:09.988 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  6960. 10:07:09.988 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  6961. java.net.ConnectException: Connection refused (Connection refused)
  6962. at java.net.PlainSocketImpl.socketConnect(Native Method)
  6963. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  6964. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  6965. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  6966. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  6967. at java.net.Socket.connect(Socket.java:589)
  6968. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  6969. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  6970. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  6971. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  6972. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  6973. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  6974. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  6975. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  6976. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  6977. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  6978. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  6979. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  6980. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  6981. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  6982. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6983. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6984. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6985. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  6986. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  6987. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  6988. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  6989. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  6990. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  6991. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  6992. at java.lang.Thread.run(Thread.java:748)
  6993. 10:07:09.988 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  6994. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  6995. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  6996. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  6997. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  6998. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  6999. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7000. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7001. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7002. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7003. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7004. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7005. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7006. at java.lang.Thread.run(Thread.java:748)
  7007. 10:07:09.988 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7008. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7009. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7010. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7011. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7012. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7013. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7014. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7015. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7016. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7017. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7018. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7019. at java.lang.Thread.run(Thread.java:748)
  7020. 10:07:14.993 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7021. 10:07:14.993 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7022. java.net.ConnectException: Connection refused (Connection refused)
  7023. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7024. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7025. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7026. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7027. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7028. at java.net.Socket.connect(Socket.java:589)
  7029. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7030. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7031. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7032. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7033. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7034. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7035. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7036. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7037. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7038. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7039. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7040. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7041. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7042. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7043. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7044. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7045. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7046. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7047. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7048. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7049. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7050. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7051. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7052. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7053. at java.lang.Thread.run(Thread.java:748)
  7054. 10:07:14.993 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7055. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7056. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7057. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7058. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7059. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7060. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7061. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7062. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7063. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7064. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7065. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7066. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7067. at java.lang.Thread.run(Thread.java:748)
  7068. 10:07:14.993 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7069. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7070. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7071. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7072. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7073. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7074. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7075. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7076. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7077. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7078. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7079. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7080. at java.lang.Thread.run(Thread.java:748)
  7081. 10:07:19.998 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7082. 10:07:19.998 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7083. java.net.ConnectException: Connection refused (Connection refused)
  7084. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7085. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7086. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7087. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7088. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7089. at java.net.Socket.connect(Socket.java:589)
  7090. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7091. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7092. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7093. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7094. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7095. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7096. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7097. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7098. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7099. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7100. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7101. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7102. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7103. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7104. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7105. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7106. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7107. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7108. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7109. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7110. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7111. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7112. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7113. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7114. at java.lang.Thread.run(Thread.java:748)
  7115. 10:07:19.998 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7116. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7117. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7118. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7119. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7120. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7121. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7122. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7123. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7124. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7125. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7126. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7127. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7128. at java.lang.Thread.run(Thread.java:748)
  7129. 10:07:19.999 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7130. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7131. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7132. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7133. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7134. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7135. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7136. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7137. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7138. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7139. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7140. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7141. at java.lang.Thread.run(Thread.java:748)
  7142. 10:07:25.000 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7143. 10:07:25.000 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7144. java.net.ConnectException: Connection refused (Connection refused)
  7145. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7146. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7147. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7148. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7149. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7150. at java.net.Socket.connect(Socket.java:589)
  7151. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7152. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7153. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7154. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7155. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7156. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7157. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7158. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7159. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7160. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7161. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7162. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7163. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7164. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7165. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7166. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7167. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7168. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7169. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7170. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7171. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7172. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7173. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7174. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7175. at java.lang.Thread.run(Thread.java:748)
  7176. 10:07:25.000 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7177. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7178. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7179. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7180. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7181. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7182. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7183. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7184. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7185. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7186. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7187. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7188. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7189. at java.lang.Thread.run(Thread.java:748)
  7190. 10:07:25.000 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7191. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7192. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7193. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7194. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7195. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7196. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7197. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7198. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7199. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7200. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7201. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7202. at java.lang.Thread.run(Thread.java:748)
  7203. 10:07:30.004 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7204. 10:07:30.005 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7205. java.net.ConnectException: Connection refused (Connection refused)
  7206. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7207. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7208. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7209. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7210. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7211. at java.net.Socket.connect(Socket.java:589)
  7212. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7213. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7214. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7215. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7216. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7217. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7218. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7219. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7220. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7221. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7222. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7223. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7224. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7225. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7226. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7227. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7228. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7229. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7230. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7231. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7232. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7233. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7234. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7235. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7236. at java.lang.Thread.run(Thread.java:748)
  7237. 10:07:30.005 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7238. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7239. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7240. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7241. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7242. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7243. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7244. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7245. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7246. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7247. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7248. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7249. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7250. at java.lang.Thread.run(Thread.java:748)
  7251. 10:07:30.005 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7252. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7253. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7254. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7255. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7256. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7257. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7258. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7259. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7260. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7261. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7262. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7263. at java.lang.Thread.run(Thread.java:748)
  7264. 10:07:35.006 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7265. 10:07:35.006 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7266. java.net.ConnectException: Connection refused (Connection refused)
  7267. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7268. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7269. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7270. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7271. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7272. at java.net.Socket.connect(Socket.java:589)
  7273. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7274. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7275. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7276. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7277. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7278. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7279. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7280. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7281. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7282. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7283. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7284. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7285. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7286. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7287. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7288. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7289. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7290. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7291. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7292. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7293. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7294. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7295. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7296. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7297. at java.lang.Thread.run(Thread.java:748)
  7298. 10:07:35.006 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7299. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7300. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7301. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7302. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7303. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7304. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7305. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7306. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7307. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7308. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7309. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7310. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7311. at java.lang.Thread.run(Thread.java:748)
  7312. 10:07:35.006 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7313. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7314. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7315. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7316. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7317. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7318. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7319. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7320. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7321. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7322. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7323. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7324. at java.lang.Thread.run(Thread.java:748)
  7325. 10:07:40.010 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7326. 10:07:40.011 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7327. java.net.ConnectException: Connection refused (Connection refused)
  7328. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7329. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7330. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7331. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7332. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7333. at java.net.Socket.connect(Socket.java:589)
  7334. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7335. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7336. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7337. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7338. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7339. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7340. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7341. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7342. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7343. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7344. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7345. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7346. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7347. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7348. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7349. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7350. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7351. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7352. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7353. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7354. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7355. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7356. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7357. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7358. at java.lang.Thread.run(Thread.java:748)
  7359. 10:07:40.011 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7360. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7361. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7362. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7363. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7364. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7365. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7366. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7367. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7368. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7369. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7370. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7371. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7372. at java.lang.Thread.run(Thread.java:748)
  7373. 10:07:40.011 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7374. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7375. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7376. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7377. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7378. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7379. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7380. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7381. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7382. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7383. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7384. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7385. at java.lang.Thread.run(Thread.java:748)
  7386. 10:07:45.014 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7387. 10:07:45.014 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7388. java.net.ConnectException: Connection refused (Connection refused)
  7389. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7390. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7391. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7392. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7393. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7394. at java.net.Socket.connect(Socket.java:589)
  7395. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7396. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7397. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7398. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7399. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7400. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7401. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7402. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7403. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7404. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7405. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7406. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7407. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7408. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7409. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7410. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7411. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7412. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7413. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7414. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7415. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7416. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7417. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7418. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7419. at java.lang.Thread.run(Thread.java:748)
  7420. 10:07:45.014 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7421. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7422. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7423. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7424. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7425. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7426. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7427. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7428. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7429. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7430. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7431. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7432. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7433. at java.lang.Thread.run(Thread.java:748)
  7434. 10:07:45.014 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7435. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7436. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7437. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7438. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7439. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7440. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7441. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7442. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7443. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7444. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7445. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7446. at java.lang.Thread.run(Thread.java:748)
  7447. 10:07:50.018 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7448. 10:07:50.018 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7449. java.net.ConnectException: Connection refused (Connection refused)
  7450. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7451. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7452. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7453. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7454. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7455. at java.net.Socket.connect(Socket.java:589)
  7456. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7457. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7458. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7459. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7460. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7461. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7462. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7463. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7464. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7465. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7466. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7467. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7468. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7469. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7470. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7471. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7472. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7473. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7474. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7475. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7476. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7477. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7478. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7479. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7480. at java.lang.Thread.run(Thread.java:748)
  7481. 10:07:50.018 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7482. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7483. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7484. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7485. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7486. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7487. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7488. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7489. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7490. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7491. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7492. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7493. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7494. at java.lang.Thread.run(Thread.java:748)
  7495. 10:07:50.018 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7496. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7497. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7498. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7499. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7500. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7501. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7502. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7503. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7504. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7505. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7506. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7507. at java.lang.Thread.run(Thread.java:748)
  7508. 10:07:55.022 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7509. 10:07:55.022 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7510. java.net.ConnectException: Connection refused (Connection refused)
  7511. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7512. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7513. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7514. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7515. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7516. at java.net.Socket.connect(Socket.java:589)
  7517. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7518. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7519. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7520. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7521. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7522. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7523. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7524. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7525. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7526. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7527. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7528. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7529. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7530. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7531. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7532. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7533. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7534. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7535. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7536. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7537. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7538. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7539. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7540. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7541. at java.lang.Thread.run(Thread.java:748)
  7542. 10:07:55.023 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7543. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7544. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7545. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7546. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7547. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7548. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7549. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7550. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7551. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7552. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7553. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7554. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7555. at java.lang.Thread.run(Thread.java:748)
  7556. 10:07:55.023 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7557. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7558. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7559. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7560. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7561. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7562. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7563. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7564. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7565. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7566. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7567. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7568. at java.lang.Thread.run(Thread.java:748)
  7569. 10:08:00.026 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7570. 10:08:00.026 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7571. java.net.ConnectException: Connection refused (Connection refused)
  7572. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7573. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7574. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7575. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7576. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7577. at java.net.Socket.connect(Socket.java:589)
  7578. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7579. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7580. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7581. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7582. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7583. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7584. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7585. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7586. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7587. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7588. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7589. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7590. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7591. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7592. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7593. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7594. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7595. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7596. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7597. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7598. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7599. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7600. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7601. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7602. at java.lang.Thread.run(Thread.java:748)
  7603. 10:08:00.026 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7604. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7605. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7606. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7607. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7608. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7609. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7610. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7611. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7612. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7613. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7614. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7615. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7616. at java.lang.Thread.run(Thread.java:748)
  7617. 10:08:00.026 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7618. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7619. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7620. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7621. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7622. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7623. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7624. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7625. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7626. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7627. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7628. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7629. at java.lang.Thread.run(Thread.java:748)
  7630. 10:08:05.032 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7631. 10:08:05.032 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7632. java.net.ConnectException: Connection refused (Connection refused)
  7633. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7634. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7635. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7636. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7637. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7638. at java.net.Socket.connect(Socket.java:589)
  7639. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7640. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7641. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7642. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7643. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7644. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7645. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7646. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7647. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7648. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7649. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7650. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7651. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7652. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7653. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7654. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7655. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7656. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7657. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7658. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7659. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7660. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7661. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7662. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7663. at java.lang.Thread.run(Thread.java:748)
  7664. 10:08:05.032 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7665. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7666. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7667. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7668. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7669. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7670. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7671. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7672. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7673. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7674. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7675. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7676. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7677. at java.lang.Thread.run(Thread.java:748)
  7678. 10:08:05.032 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7679. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7680. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7681. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7682. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7683. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7684. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7685. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7686. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7687. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7688. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7689. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7690. at java.lang.Thread.run(Thread.java:748)
  7691. 10:08:10.035 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7692. 10:08:10.036 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7693. java.net.ConnectException: Connection refused (Connection refused)
  7694. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7695. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7696. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7697. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7698. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7699. at java.net.Socket.connect(Socket.java:589)
  7700. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7701. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7702. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7703. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7704. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7705. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7706. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7707. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7708. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7709. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7710. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7711. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7712. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7713. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7714. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7715. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7716. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7717. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7718. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7719. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7720. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7721. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7722. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7723. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7724. at java.lang.Thread.run(Thread.java:748)
  7725. 10:08:10.036 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7726. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7727. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7728. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7729. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7730. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7731. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7732. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7733. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7734. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7735. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7736. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7737. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7738. at java.lang.Thread.run(Thread.java:748)
  7739. 10:08:10.036 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7740. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7741. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7742. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7743. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7744. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7745. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7746. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7747. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7748. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7749. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7750. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7751. at java.lang.Thread.run(Thread.java:748)
  7752. 10:08:15.038 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7753. 10:08:15.038 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7754. java.net.ConnectException: Connection refused (Connection refused)
  7755. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7756. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7757. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7758. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7759. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7760. at java.net.Socket.connect(Socket.java:589)
  7761. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7762. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7763. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7764. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7765. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7766. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7767. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7768. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7769. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7770. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7771. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7772. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7773. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7774. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7775. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7776. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7777. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7778. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7779. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7780. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7781. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7782. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7783. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7784. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7785. at java.lang.Thread.run(Thread.java:748)
  7786. 10:08:15.038 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7787. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7788. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7789. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7790. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7791. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7792. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7793. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7794. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7795. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7796. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7797. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7798. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7799. at java.lang.Thread.run(Thread.java:748)
  7800. 10:08:15.038 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7801. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7802. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7803. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7804. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7805. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7806. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7807. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7808. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7809. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7810. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7811. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7812. at java.lang.Thread.run(Thread.java:748)
  7813. 10:08:20.039 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7814. 10:08:20.039 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7815. java.net.ConnectException: Connection refused (Connection refused)
  7816. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7817. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7818. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7819. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7820. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7821. at java.net.Socket.connect(Socket.java:589)
  7822. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7823. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7824. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7825. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7826. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7827. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7828. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7829. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7830. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7831. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7832. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7833. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7834. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7835. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7836. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7837. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7838. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7839. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7840. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7841. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7842. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7843. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7844. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7845. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7846. at java.lang.Thread.run(Thread.java:748)
  7847. 10:08:20.039 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7848. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7849. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7850. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7851. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7852. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7853. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7854. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7855. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7856. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7857. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7858. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7859. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7860. at java.lang.Thread.run(Thread.java:748)
  7861. 10:08:20.039 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7862. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7863. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7864. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7865. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7866. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7867. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7868. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7869. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7870. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7871. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7872. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7873. at java.lang.Thread.run(Thread.java:748)
  7874. 10:08:25.041 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7875. 10:08:25.041 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7876. java.net.ConnectException: Connection refused (Connection refused)
  7877. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7878. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7879. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7880. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7881. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7882. at java.net.Socket.connect(Socket.java:589)
  7883. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7884. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7885. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7886. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7887. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7888. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7889. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7890. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7891. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7892. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7893. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7894. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7895. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7896. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7897. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7898. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7899. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7900. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7901. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7902. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7903. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7904. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7905. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7906. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7907. at java.lang.Thread.run(Thread.java:748)
  7908. 10:08:25.042 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7909. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7910. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7911. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7912. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7913. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7914. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7915. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7916. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7917. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7918. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7919. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7920. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7921. at java.lang.Thread.run(Thread.java:748)
  7922. 10:08:25.042 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7923. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7924. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7925. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7926. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7927. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7928. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7929. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7930. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7931. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7932. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7933. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7934. at java.lang.Thread.run(Thread.java:748)
  7935. 10:08:30.046 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7936. 10:08:30.046 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7937. java.net.ConnectException: Connection refused (Connection refused)
  7938. at java.net.PlainSocketImpl.socketConnect(Native Method)
  7939. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  7940. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  7941. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  7942. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  7943. at java.net.Socket.connect(Socket.java:589)
  7944. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  7945. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  7946. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  7947. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  7948. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  7949. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  7950. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  7951. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  7952. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  7953. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  7954. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  7955. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  7956. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  7957. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  7958. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7959. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7960. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7961. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7962. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7963. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7964. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7965. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7966. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7967. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7968. at java.lang.Thread.run(Thread.java:748)
  7969. 10:08:30.047 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  7970. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7971. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  7972. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  7973. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7974. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7975. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7976. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7977. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7978. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7979. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7980. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7981. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7982. at java.lang.Thread.run(Thread.java:748)
  7983. 10:08:30.047 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  7984. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  7985. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  7986. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  7987. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  7988. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  7989. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  7990. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  7991. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  7992. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  7993. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  7994. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  7995. at java.lang.Thread.run(Thread.java:748)
  7996. 10:08:35.051 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  7997. 10:08:35.052 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  7998. java.net.ConnectException: Connection refused (Connection refused)
  7999. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8000. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8001. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8002. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8003. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8004. at java.net.Socket.connect(Socket.java:589)
  8005. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8006. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8007. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8008. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8009. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8010. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8011. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8012. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8013. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8014. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8015. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8016. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8017. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8018. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8019. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8020. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8021. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8022. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8023. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8024. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8025. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8026. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8027. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8028. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8029. at java.lang.Thread.run(Thread.java:748)
  8030. 10:08:35.052 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8031. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8032. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8033. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8034. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8035. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8036. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8037. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8038. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8039. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8040. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8041. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8042. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8043. at java.lang.Thread.run(Thread.java:748)
  8044. 10:08:35.052 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8045. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8046. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8047. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8048. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8049. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8050. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8051. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8052. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8053. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8054. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8055. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8056. at java.lang.Thread.run(Thread.java:748)
  8057. 10:08:40.054 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8058. 10:08:40.056 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8059. java.net.ConnectException: Connection refused (Connection refused)
  8060. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8061. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8062. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8063. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8064. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8065. at java.net.Socket.connect(Socket.java:589)
  8066. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8067. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8068. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8069. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8070. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8071. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8072. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8073. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8074. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8075. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8076. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8077. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8078. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8079. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8080. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8081. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8082. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8083. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8084. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8085. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8086. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8087. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8088. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8089. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8090. at java.lang.Thread.run(Thread.java:748)
  8091. 10:08:40.057 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8092. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8093. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8094. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8095. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8096. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8097. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8098. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8099. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8100. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8101. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8102. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8103. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8104. at java.lang.Thread.run(Thread.java:748)
  8105. 10:08:40.057 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8106. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8107. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8108. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8109. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8110. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8111. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8112. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8113. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8114. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8115. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8116. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8117. at java.lang.Thread.run(Thread.java:748)
  8118. 10:08:45.063 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8119. 10:08:45.063 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8120. java.net.ConnectException: Connection refused (Connection refused)
  8121. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8122. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8123. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8124. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8125. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8126. at java.net.Socket.connect(Socket.java:589)
  8127. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8128. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8129. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8130. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8131. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8132. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8133. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8134. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8135. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8136. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8137. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8138. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8139. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8140. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8141. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8142. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8143. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8144. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8145. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8146. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8147. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8148. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8149. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8150. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8151. at java.lang.Thread.run(Thread.java:748)
  8152. 10:08:45.063 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8153. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8154. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8155. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8156. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8157. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8158. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8159. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8160. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8161. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8162. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8163. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8164. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8165. at java.lang.Thread.run(Thread.java:748)
  8166. 10:08:45.063 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8167. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8168. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8169. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8170. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8171. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8172. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8173. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8174. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8175. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8176. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8177. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8178. at java.lang.Thread.run(Thread.java:748)
  8179. 10:08:50.070 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8180. 10:08:50.070 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8181. java.net.ConnectException: Connection refused (Connection refused)
  8182. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8183. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8184. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8185. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8186. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8187. at java.net.Socket.connect(Socket.java:589)
  8188. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8189. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8190. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8191. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8192. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8193. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8194. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8195. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8196. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8197. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8198. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8199. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8200. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8201. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8202. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8203. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8204. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8205. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8206. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8207. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8208. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8209. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8210. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8211. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8212. at java.lang.Thread.run(Thread.java:748)
  8213. 10:08:50.070 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8214. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8215. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8216. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8217. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8218. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8219. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8220. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8221. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8222. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8223. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8224. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8225. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8226. at java.lang.Thread.run(Thread.java:748)
  8227. 10:08:50.070 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8228. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8229. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8230. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8231. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8232. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8233. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8234. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8235. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8236. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8237. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8238. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8239. at java.lang.Thread.run(Thread.java:748)
  8240. 10:08:55.075 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8241. 10:08:55.075 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8242. java.net.ConnectException: Connection refused (Connection refused)
  8243. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8244. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8245. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8246. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8247. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8248. at java.net.Socket.connect(Socket.java:589)
  8249. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8250. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8251. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8252. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8253. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8254. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8255. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8256. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8257. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8258. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8259. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8260. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8261. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8262. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8263. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8264. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8265. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8266. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8267. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8268. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8269. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8270. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8271. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8272. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8273. at java.lang.Thread.run(Thread.java:748)
  8274. 10:08:55.075 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8275. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8276. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8277. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8278. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8279. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8280. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8281. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8282. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8283. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8284. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8285. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8286. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8287. at java.lang.Thread.run(Thread.java:748)
  8288. 10:08:55.075 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8289. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8290. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8291. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8292. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8293. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8294. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8295. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8296. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8297. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8298. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8299. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8300. at java.lang.Thread.run(Thread.java:748)
  8301. 10:09:00.078 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8302. 10:09:00.080 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8303. java.net.ConnectException: Connection refused (Connection refused)
  8304. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8305. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8306. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8307. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8308. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8309. at java.net.Socket.connect(Socket.java:589)
  8310. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8311. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8312. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8313. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8314. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8315. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8316. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8317. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8318. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8319. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8320. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8321. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8322. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8323. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8324. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8325. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8326. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8327. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8328. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8329. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8330. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8331. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8332. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8333. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8334. at java.lang.Thread.run(Thread.java:748)
  8335. 10:09:00.080 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8336. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8337. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8338. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8339. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8340. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8341. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8342. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8343. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8344. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8345. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8346. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8347. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8348. at java.lang.Thread.run(Thread.java:748)
  8349. 10:09:00.080 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8350. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8351. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8352. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8353. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8354. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8355. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8356. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8357. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8358. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8359. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8360. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8361. at java.lang.Thread.run(Thread.java:748)
  8362. 10:09:05.085 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8363. 10:09:05.085 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8364. java.net.ConnectException: Connection refused (Connection refused)
  8365. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8366. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8367. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8368. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8369. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8370. at java.net.Socket.connect(Socket.java:589)
  8371. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8372. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8373. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8374. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8375. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8376. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8377. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8378. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8379. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8380. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8381. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8382. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8383. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8384. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8385. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8386. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8387. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8388. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8389. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8390. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8391. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8392. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8393. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8394. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8395. at java.lang.Thread.run(Thread.java:748)
  8396. 10:09:05.086 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8397. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8398. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8399. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8400. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8401. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8402. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8403. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8404. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8405. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8406. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8407. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8408. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8409. at java.lang.Thread.run(Thread.java:748)
  8410. 10:09:05.086 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8411. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8412. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8413. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8414. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8415. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8416. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8417. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8418. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8419. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8420. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8421. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8422. at java.lang.Thread.run(Thread.java:748)
  8423. 10:09:10.089 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8424. 10:09:10.089 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8425. java.net.ConnectException: Connection refused (Connection refused)
  8426. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8427. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8428. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8429. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8430. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8431. at java.net.Socket.connect(Socket.java:589)
  8432. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8433. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8434. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8435. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8436. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8437. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8438. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8439. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8440. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8441. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8442. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8443. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8444. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8445. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8446. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8447. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8448. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8449. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8450. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8451. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8452. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8453. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8454. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8455. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8456. at java.lang.Thread.run(Thread.java:748)
  8457. 10:09:10.089 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8458. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8459. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8460. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8461. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8462. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8463. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8464. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8465. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8466. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8467. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8468. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8469. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8470. at java.lang.Thread.run(Thread.java:748)
  8471. 10:09:10.089 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8472. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8473. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8474. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8475. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8476. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8477. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8478. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8479. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8480. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8481. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8482. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8483. at java.lang.Thread.run(Thread.java:748)
  8484. 10:09:15.092 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8485. 10:09:15.092 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8486. java.net.ConnectException: Connection refused (Connection refused)
  8487. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8488. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8489. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8490. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8491. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8492. at java.net.Socket.connect(Socket.java:589)
  8493. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8494. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8495. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8496. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8497. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8498. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8499. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8500. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8501. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8502. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8503. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8504. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8505. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8506. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8507. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8508. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8509. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8510. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8511. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8512. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8513. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8514. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8515. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8516. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8517. at java.lang.Thread.run(Thread.java:748)
  8518. 10:09:15.092 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8519. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8520. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8521. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8522. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8523. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8524. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8525. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8526. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8527. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8528. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8529. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8530. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8531. at java.lang.Thread.run(Thread.java:748)
  8532. 10:09:15.092 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8533. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8534. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8535. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8536. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8537. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8538. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8539. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8540. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8541. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8542. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8543. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8544. at java.lang.Thread.run(Thread.java:748)
  8545. 10:09:20.097 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8546. 10:09:20.097 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8547. java.net.ConnectException: Connection refused (Connection refused)
  8548. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8549. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8550. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8551. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8552. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8553. at java.net.Socket.connect(Socket.java:589)
  8554. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8555. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8556. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8557. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8558. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8559. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8560. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8561. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8562. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8563. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8564. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8565. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8566. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8567. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8568. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8569. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8570. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8571. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8572. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8573. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8574. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8575. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8576. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8577. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8578. at java.lang.Thread.run(Thread.java:748)
  8579. 10:09:20.097 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8580. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8581. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8582. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8583. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8584. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8585. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8586. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8587. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8588. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8589. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8590. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8591. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8592. at java.lang.Thread.run(Thread.java:748)
  8593. 10:09:20.098 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8594. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8595. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8596. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8597. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8598. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8599. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8600. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8601. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8602. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8603. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8604. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8605. at java.lang.Thread.run(Thread.java:748)
  8606. 10:09:25.103 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8607. 10:09:25.103 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8608. java.net.ConnectException: Connection refused (Connection refused)
  8609. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8610. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8611. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8612. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8613. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8614. at java.net.Socket.connect(Socket.java:589)
  8615. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8616. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8617. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8618. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8619. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8620. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8621. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8622. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8623. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8624. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8625. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8626. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8627. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8628. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8629. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8630. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8631. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8632. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8633. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8634. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8635. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8636. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8637. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8638. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8639. at java.lang.Thread.run(Thread.java:748)
  8640. 10:09:25.103 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8641. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8642. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8643. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8644. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8645. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8646. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8647. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8648. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8649. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8650. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8651. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8652. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8653. at java.lang.Thread.run(Thread.java:748)
  8654. 10:09:25.104 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8655. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8656. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8657. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8658. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8659. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8660. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8661. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8662. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8663. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8664. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8665. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8666. at java.lang.Thread.run(Thread.java:748)
  8667. 10:09:30.108 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8668. 10:09:30.108 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8669. java.net.ConnectException: Connection refused (Connection refused)
  8670. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8671. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8672. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8673. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8674. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8675. at java.net.Socket.connect(Socket.java:589)
  8676. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8677. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8678. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8679. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8680. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8681. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8682. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8683. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8684. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8685. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8686. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8687. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8688. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8689. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8690. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8691. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8692. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8693. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8694. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8695. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8696. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8697. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8698. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8699. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8700. at java.lang.Thread.run(Thread.java:748)
  8701. 10:09:30.108 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8702. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8703. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8704. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8705. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8706. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8707. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8708. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8709. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8710. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8711. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8712. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8713. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8714. at java.lang.Thread.run(Thread.java:748)
  8715. 10:09:30.108 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8716. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8717. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8718. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8719. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8720. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8721. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8722. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8723. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8724. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8725. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8726. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8727. at java.lang.Thread.run(Thread.java:748)
  8728. 10:09:35.112 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8729. 10:09:35.112 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8730. java.net.ConnectException: Connection refused (Connection refused)
  8731. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8732. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8733. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8734. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8735. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8736. at java.net.Socket.connect(Socket.java:589)
  8737. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8738. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8739. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8740. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8741. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8742. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8743. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8744. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8745. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8746. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8747. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8748. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8749. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8750. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8751. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8752. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8753. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8754. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8755. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8756. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8757. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8758. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8759. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8760. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8761. at java.lang.Thread.run(Thread.java:748)
  8762. 10:09:35.112 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8763. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8764. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8765. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8766. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8767. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8768. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8769. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8770. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8771. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8772. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8773. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8774. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8775. at java.lang.Thread.run(Thread.java:748)
  8776. 10:09:35.112 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8777. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8778. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8779. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8780. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8781. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8782. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8783. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8784. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8785. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8786. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8787. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8788. at java.lang.Thread.run(Thread.java:748)
  8789. 10:09:40.113 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8790. 10:09:40.113 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8791. java.net.ConnectException: Connection refused (Connection refused)
  8792. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8793. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8794. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8795. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8796. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8797. at java.net.Socket.connect(Socket.java:589)
  8798. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8799. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8800. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8801. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8802. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8803. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8804. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8805. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8806. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8807. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8808. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8809. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8810. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8811. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8812. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8813. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8814. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8815. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8816. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8817. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8818. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8819. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8820. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8821. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8822. at java.lang.Thread.run(Thread.java:748)
  8823. 10:09:40.113 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8824. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8825. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8826. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8827. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8828. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8829. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8830. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8831. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8832. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8833. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8834. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8835. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8836. at java.lang.Thread.run(Thread.java:748)
  8837. 10:09:40.113 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8838. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8839. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8840. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8841. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8842. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8843. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8844. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8845. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8846. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8847. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8848. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8849. at java.lang.Thread.run(Thread.java:748)
  8850. 10:09:45.119 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8851. 10:09:45.119 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8852. java.net.ConnectException: Connection refused (Connection refused)
  8853. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8854. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8855. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8856. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8857. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8858. at java.net.Socket.connect(Socket.java:589)
  8859. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8860. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8861. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8862. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8863. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8864. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8865. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8866. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8867. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8868. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8869. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8870. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8871. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8872. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8873. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8874. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8875. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8876. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8877. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8878. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8879. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8880. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8881. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8882. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8883. at java.lang.Thread.run(Thread.java:748)
  8884. 10:09:45.119 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8885. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8886. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8887. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8888. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8889. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8890. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8891. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8892. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8893. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8894. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8895. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8896. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8897. at java.lang.Thread.run(Thread.java:748)
  8898. 10:09:45.119 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8899. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8900. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8901. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8902. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8903. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8904. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8905. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8906. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8907. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8908. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8909. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8910. at java.lang.Thread.run(Thread.java:748)
  8911. 10:09:50.125 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8912. 10:09:50.125 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8913. java.net.ConnectException: Connection refused (Connection refused)
  8914. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8915. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8916. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8917. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8918. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8919. at java.net.Socket.connect(Socket.java:589)
  8920. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8921. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8922. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8923. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8924. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8925. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8926. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8927. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8928. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8929. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8930. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8931. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8932. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8933. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8934. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8935. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8936. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8937. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8938. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8939. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8940. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8941. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8942. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8943. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8944. at java.lang.Thread.run(Thread.java:748)
  8945. 10:09:50.125 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  8946. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8947. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  8948. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8949. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8950. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8951. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8952. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8953. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8954. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8955. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8956. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8957. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8958. at java.lang.Thread.run(Thread.java:748)
  8959. 10:09:50.125 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  8960. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  8961. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  8962. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8963. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8964. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8965. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  8966. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  8967. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  8968. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  8969. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  8970. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  8971. at java.lang.Thread.run(Thread.java:748)
  8972. 10:09:55.129 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  8973. 10:09:55.129 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  8974. java.net.ConnectException: Connection refused (Connection refused)
  8975. at java.net.PlainSocketImpl.socketConnect(Native Method)
  8976. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  8977. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  8978. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  8979. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  8980. at java.net.Socket.connect(Socket.java:589)
  8981. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  8982. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  8983. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  8984. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  8985. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  8986. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  8987. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  8988. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  8989. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  8990. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  8991. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  8992. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  8993. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  8994. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  8995. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  8996. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  8997. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  8998. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  8999. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9000. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9001. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9002. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9003. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9004. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9005. at java.lang.Thread.run(Thread.java:748)
  9006. 10:09:55.129 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9007. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9008. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9009. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9010. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9011. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9012. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9013. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9014. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9015. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9016. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9017. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9018. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9019. at java.lang.Thread.run(Thread.java:748)
  9020. 10:09:55.129 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9021. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9022. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9023. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9024. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9025. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9026. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9027. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9028. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9029. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9030. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9031. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9032. at java.lang.Thread.run(Thread.java:748)
  9033. 10:10:00.133 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  9034. 10:10:00.134 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9035. java.net.ConnectException: Connection refused (Connection refused)
  9036. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9037. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9038. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9039. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9040. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9041. at java.net.Socket.connect(Socket.java:589)
  9042. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9043. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9044. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9045. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9046. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9047. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9048. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9049. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9050. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9051. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9052. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  9053. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  9054. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  9055. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9056. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9057. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9058. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9059. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9060. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9061. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9062. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9063. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9064. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9065. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9066. at java.lang.Thread.run(Thread.java:748)
  9067. 10:10:00.135 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9068. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9069. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9070. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9071. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9072. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9073. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9074. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9075. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9076. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9077. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9078. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9079. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9080. at java.lang.Thread.run(Thread.java:748)
  9081. 10:10:00.136 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9082. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9083. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9084. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9085. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9086. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9087. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9088. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9089. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9090. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9091. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9092. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9093. at java.lang.Thread.run(Thread.java:748)
  9094. 10:10:05.138 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  9095. 10:10:05.138 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9096. java.net.ConnectException: Connection refused (Connection refused)
  9097. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9098. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9099. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9100. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9101. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9102. at java.net.Socket.connect(Socket.java:589)
  9103. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9104. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9105. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9106. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9107. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9108. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9109. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9110. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9111. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9112. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9113. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  9114. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  9115. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  9116. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9117. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9118. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9119. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9120. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9121. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9122. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9123. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9124. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9125. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9126. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9127. at java.lang.Thread.run(Thread.java:748)
  9128. 10:10:05.138 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9129. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9130. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9131. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9132. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9133. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9134. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9135. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9136. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9137. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9138. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9139. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9140. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9141. at java.lang.Thread.run(Thread.java:748)
  9142. 10:10:05.138 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9143. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9144. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9145. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9146. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9147. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9148. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9149. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9150. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9151. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9152. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9153. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9154. at java.lang.Thread.run(Thread.java:748)
  9155. 10:10:10.145 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  9156. 10:10:10.146 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9157. java.net.ConnectException: Connection refused (Connection refused)
  9158. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9159. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9160. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9161. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9162. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9163. at java.net.Socket.connect(Socket.java:589)
  9164. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9165. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9166. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9167. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9168. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9169. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9170. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9171. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9172. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9173. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9174. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  9175. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  9176. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  9177. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9178. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9179. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9180. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9181. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9182. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9183. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9184. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9185. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9186. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9187. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9188. at java.lang.Thread.run(Thread.java:748)
  9189. 10:10:10.147 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9190. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9191. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9192. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9193. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9194. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9195. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9196. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9197. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9198. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9199. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9200. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9201. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9202. at java.lang.Thread.run(Thread.java:748)
  9203. 10:10:10.148 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9204. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9205. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9206. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9207. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9208. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9209. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9210. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9211. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9212. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9213. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9214. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9215. at java.lang.Thread.run(Thread.java:748)
  9216. 10:10:15.153 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  9217. 10:10:15.154 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9218. java.net.ConnectException: Connection refused (Connection refused)
  9219. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9220. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9221. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9222. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9223. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9224. at java.net.Socket.connect(Socket.java:589)
  9225. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9226. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9227. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9228. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9229. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9230. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9231. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9232. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9233. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9234. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9235. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  9236. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  9237. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  9238. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9239. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9240. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9241. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9242. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9243. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9244. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9245. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9246. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9247. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9248. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9249. at java.lang.Thread.run(Thread.java:748)
  9250. 10:10:15.154 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9251. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9252. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9253. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9254. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9255. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9256. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9257. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9258. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9259. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9260. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9261. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9262. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9263. at java.lang.Thread.run(Thread.java:748)
  9264. 10:10:15.154 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9265. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9266. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9267. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9268. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9269. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9270. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9271. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9272. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9273. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9274. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9275. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9276. at java.lang.Thread.run(Thread.java:748)
  9277. 10:10:20.160 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  9278. 10:10:20.160 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9279. java.net.ConnectException: Connection refused (Connection refused)
  9280. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9281. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9282. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9283. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9284. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9285. at java.net.Socket.connect(Socket.java:589)
  9286. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9287. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9288. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9289. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9290. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9291. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9292. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9293. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9294. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9295. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9296. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  9297. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  9298. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  9299. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9300. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9301. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9302. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9303. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9304. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9305. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9306. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9307. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9308. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9309. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9310. at java.lang.Thread.run(Thread.java:748)
  9311. 10:10:20.160 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9312. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9313. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9314. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9315. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9316. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9317. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9318. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9319. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9320. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9321. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9322. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9323. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9324. at java.lang.Thread.run(Thread.java:748)
  9325. 10:10:20.161 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9326. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9327. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9328. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9329. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9330. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9331. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9332. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9333. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9334. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9335. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9336. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9337. at java.lang.Thread.run(Thread.java:748)
  9338. 10:10:25.164 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  9339. 10:10:25.164 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9340. java.net.ConnectException: Connection refused (Connection refused)
  9341. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9342. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9343. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9344. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9345. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9346. at java.net.Socket.connect(Socket.java:589)
  9347. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9348. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9349. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9350. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9351. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9352. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9353. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9354. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9355. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9356. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9357. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  9358. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  9359. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  9360. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9361. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9362. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9363. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9364. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9365. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9366. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9367. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9368. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9369. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9370. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9371. at java.lang.Thread.run(Thread.java:748)
  9372. 10:10:25.164 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9373. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9374. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9375. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9376. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9377. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9378. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9379. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9380. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9381. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9382. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9383. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9384. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9385. at java.lang.Thread.run(Thread.java:748)
  9386. 10:10:25.164 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9387. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9388. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9389. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9390. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9391. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9392. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9393. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9394. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9395. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9396. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9397. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9398. at java.lang.Thread.run(Thread.java:748)
  9399. 10:10:30.169 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  9400. 10:10:30.170 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9401. java.net.ConnectException: Connection refused (Connection refused)
  9402. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9403. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9404. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9405. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9406. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9407. at java.net.Socket.connect(Socket.java:589)
  9408. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9409. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9410. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9411. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9412. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9413. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9414. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9415. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9416. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9417. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9418. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  9419. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  9420. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  9421. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9422. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9423. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9424. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9425. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9426. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9427. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9428. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9429. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9430. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9431. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9432. at java.lang.Thread.run(Thread.java:748)
  9433. 10:10:30.170 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9434. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9435. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9436. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9437. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9438. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9439. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9440. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9441. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9442. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9443. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9444. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9445. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9446. at java.lang.Thread.run(Thread.java:748)
  9447. 10:10:30.170 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9448. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9449. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9450. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9451. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9452. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9453. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9454. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9455. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9456. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9457. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9458. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9459. at java.lang.Thread.run(Thread.java:748)
  9460. 10:10:35.171 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  9461. 10:10:35.171 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9462. java.net.ConnectException: Connection refused (Connection refused)
  9463. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9464. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9465. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9466. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9467. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9468. at java.net.Socket.connect(Socket.java:589)
  9469. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9470. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9471. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9472. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9473. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9474. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9475. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9476. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9477. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9478. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9479. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  9480. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  9481. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  9482. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9483. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9484. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9485. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9486. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9487. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9488. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9489. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9490. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9491. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9492. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9493. at java.lang.Thread.run(Thread.java:748)
  9494. 10:10:35.172 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9495. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9496. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9497. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9498. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9499. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9500. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9501. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9502. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9503. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9504. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9505. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9506. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9507. at java.lang.Thread.run(Thread.java:748)
  9508. 10:10:35.172 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9509. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9510. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9511. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9512. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9513. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9514. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9515. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9516. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9517. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9518. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9519. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9520. at java.lang.Thread.run(Thread.java:748)
  9521. 10:10:40.178 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  9522. 10:10:40.179 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9523. java.net.ConnectException: Connection refused (Connection refused)
  9524. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9525. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9526. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9527. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9528. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9529. at java.net.Socket.connect(Socket.java:589)
  9530. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9531. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9532. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9533. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9534. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9535. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9536. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9537. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9538. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9539. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9540. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  9541. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  9542. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  9543. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9544. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9545. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9546. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9547. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9548. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9549. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9550. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9551. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9552. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9553. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9554. at java.lang.Thread.run(Thread.java:748)
  9555. 10:10:40.179 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9556. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9557. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9558. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9559. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9560. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9561. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9562. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9563. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9564. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9565. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9566. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9567. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9568. at java.lang.Thread.run(Thread.java:748)
  9569. 10:10:40.179 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9570. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9571. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9572. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9573. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9574. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9575. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9576. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9577. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9578. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9579. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9580. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9581. at java.lang.Thread.run(Thread.java:748)
  9582. 10:10:45.183 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  9583. 10:10:45.184 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9584. java.net.ConnectException: Connection refused (Connection refused)
  9585. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9586. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9587. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9588. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9589. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9590. at java.net.Socket.connect(Socket.java:589)
  9591. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9592. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9593. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9594. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9595. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9596. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9597. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9598. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9599. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9600. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9601. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  9602. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  9603. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  9604. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9605. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9606. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9607. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9608. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9609. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9610. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9611. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9612. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9613. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9614. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9615. at java.lang.Thread.run(Thread.java:748)
  9616. 10:10:45.184 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9617. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9618. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9619. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9620. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9621. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9622. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9623. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9624. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9625. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9626. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9627. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9628. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9629. at java.lang.Thread.run(Thread.java:748)
  9630. 10:10:45.184 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9631. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9632. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9633. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9634. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9635. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9636. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9637. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9638. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9639. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9640. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9641. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9642. at java.lang.Thread.run(Thread.java:748)
  9643. 10:10:50.188 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  9644. 10:10:50.188 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9645. java.net.ConnectException: Connection refused (Connection refused)
  9646. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9647. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9648. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9649. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9650. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9651. at java.net.Socket.connect(Socket.java:589)
  9652. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9653. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9654. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9655. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9656. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9657. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9658. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9659. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9660. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9661. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9662. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  9663. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  9664. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  9665. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9666. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9667. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9668. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9669. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9670. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9671. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9672. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9673. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9674. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9675. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9676. at java.lang.Thread.run(Thread.java:748)
  9677. 10:10:50.188 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9678. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9679. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9680. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9681. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9682. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9683. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9684. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9685. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9686. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9687. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9688. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9689. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9690. at java.lang.Thread.run(Thread.java:748)
  9691. 10:10:50.188 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9692. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9693. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9694. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9695. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9696. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9697. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9698. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9699. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9700. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9701. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9702. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9703. at java.lang.Thread.run(Thread.java:748)
  9704. 10:10:55.189 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  9705. 10:10:55.190 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9706. java.net.ConnectException: Connection refused (Connection refused)
  9707. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9708. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9709. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9710. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9711. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9712. at java.net.Socket.connect(Socket.java:589)
  9713. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9714. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9715. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9716. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9717. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9718. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9719. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9720. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9721. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9722. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9723. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  9724. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  9725. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  9726. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9727. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9728. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9729. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9730. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9731. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9732. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9733. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9734. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9735. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9736. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9737. at java.lang.Thread.run(Thread.java:748)
  9738. 10:10:55.190 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9739. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9740. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9741. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9742. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9743. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9744. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9745. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9746. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9747. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9748. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9749. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9750. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9751. at java.lang.Thread.run(Thread.java:748)
  9752. 10:10:55.190 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  9753. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9754. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9755. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9756. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  9757. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  9758. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  9759. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  9760. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  9761. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  9762. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  9763. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  9764. at java.lang.Thread.run(Thread.java:748)
  9765. 10:10:58.709 [Thread-34] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  9766. 10:10:58.709 [Thread-34] INFO com.alibaba.nacos.client.naming - [BEAT] removing beat: DEFAULT_GROUP@@mooctest-crowdsource-backend:192.168.43.121:8090 from beat map.
  9767. 10:10:58.709 [Thread-34] INFO com.alibaba.nacos.client.naming - [DEREGISTER-SERVICE] public deregistering service DEFAULT_GROUP@@mooctest-crowdsource-backend with instance: {"clusterName":"DEFAULT","enabled":true,"ephemeral":true,"healthy":true,"instanceHeartBeatInterval":5000,"instanceHeartBeatTimeOut":15000,"ip":"192.168.43.121","ipDeleteTimeout":30000,"metadata":{},"port":8090,"weight":1.0}
  9768. 10:10:58.711 [Thread-34] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance?namespaceId=public&port=8090&clusterName=DEFAULT&ip=192.168.43.121&ephemeral=true&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8 from 127.0.0.1
  9769. 10:10:58.711 [Thread-34] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  9770. java.net.ConnectException: Connection refused (Connection refused)
  9771. at java.net.PlainSocketImpl.socketConnect(Native Method)
  9772. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  9773. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  9774. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  9775. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  9776. at java.net.Socket.connect(Socket.java:589)
  9777. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  9778. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  9779. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  9780. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  9781. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  9782. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  9783. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  9784. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  9785. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  9786. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  9787. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:89)
  9788. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  9789. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9790. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9791. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  9792. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  9793. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  9794. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  9795. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  9796. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  9797. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  9798. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  9799. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  9800. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  9801. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  9802. at java.lang.reflect.Method.invoke(Method.java:498)
  9803. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  9804. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  9805. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  9806. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  9807. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  9808. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  9809. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  9810. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  9811. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  9812. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  9813. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  9814. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  9815. 10:10:58.711 [Thread-34] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  9816. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9817. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  9818. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  9819. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9820. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  9821. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  9822. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  9823. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  9824. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  9825. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  9826. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  9827. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  9828. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  9829. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  9830. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  9831. at java.lang.reflect.Method.invoke(Method.java:498)
  9832. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  9833. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  9834. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  9835. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  9836. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  9837. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  9838. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  9839. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  9840. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  9841. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  9842. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  9843. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  9844. 10:10:58.711 [Thread-34] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  9845. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9846. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9847. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9848. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  9849. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  9850. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  9851. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  9852. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  9853. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  9854. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  9855. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  9856. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  9857. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  9858. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  9859. at java.lang.reflect.Method.invoke(Method.java:498)
  9860. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  9861. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  9862. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  9863. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  9864. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  9865. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  9866. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  9867. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  9868. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  9869. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  9870. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  9871. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  9872. 10:10:58.711 [Thread-34] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  9873. 10:10:58.712 [Thread-34] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  9874. 10:10:58.715 [Thread-34] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:111}] to localhost:27017 because the pool has been closed.
  9875. 10:10:58.716 [Thread-34] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:3, serverValue:112}] to localhost:27017 because the pool has been closed.
  9876. 10:11:10.514 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$1a7c6992] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  9877. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  9878. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  9879. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  9880. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  9881. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  9882. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  9883. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  9884. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  9885. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  9886. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  9887. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  9888. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  9889. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  9890. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  9891. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  9892. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=306MB
  9893. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  9894. 10:11:10.739 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=500MB
  9895. 10:11:10.756 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  9896. 10:11:10.760 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@61799544
  9897. 10:11:10.768 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  9898. 10:11:10.822 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  9899. 10:11:10.829 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  9900. 10:11:10.909 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:50876, server: 101.37.175.111/101.37.175.111:2181
  9901. 10:11:10.972 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd5b, negotiated timeout = 40000
  9902. 10:11:10.979 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  9903. 10:11:13.993 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  9904. 10:11:14.012 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  9905. 10:11:14.452 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  9906. 10:11:14.483 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 18ms. Found 0 repository interfaces.
  9907. 10:11:14.621 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  9908. 10:11:14.774 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$1a7c6992] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  9909. 10:11:14.995 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  9910. 10:11:15.011 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  9911. 10:11:15.011 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  9912. 10:11:14.843 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  9913. 10:11:14.844 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 825 ms
  9914. 10:11:15.114 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  9915. 10:11:15.154 [cluster-ClusterId{value='608b67436adc049dccac0582', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:113}] to localhost:27017
  9916. 10:11:15.159 [cluster-ClusterId{value='608b67436adc049dccac0582', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=1908937}
  9917. 10:11:15.393 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:114}] to localhost:27017
  9918. 10:11:15.664 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  9919. 10:11:15.664 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  9920. 10:11:15.667 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  9921. 10:11:15.667 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  9922. 10:11:15.792 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  9923. 10:11:15.917 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  9924. 10:11:16.118 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  9925. 10:11:16.272 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  9926. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9927. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9928. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9929. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  9930. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  9931. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  9932. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  9933. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  9934. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  9935. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  9936. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  9937. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  9938. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  9939. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  9940. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  9941. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  9942. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  9943. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  9944. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  9945. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  9946. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  9947. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  9948. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  9949. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  9950. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  9951. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  9952. at edu.nju.BugApplication.main(BugApplication.java:31)
  9953. 10:11:16.274 [main] INFO edu.nju.BugApplication - Started BugApplication in 7.04 seconds (JVM running for 12.529)
  9954. 10:12:31.944 [Thread-35] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  9955. 10:12:31.946 [Thread-35] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  9956. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  9957. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  9958. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  9959. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  9960. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  9961. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  9962. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  9963. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  9964. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  9965. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  9966. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  9967. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  9968. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  9969. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  9970. at java.lang.reflect.Method.invoke(Method.java:498)
  9971. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  9972. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  9973. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  9974. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  9975. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  9976. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  9977. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  9978. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  9979. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  9980. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  9981. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  9982. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  9983. 10:12:31.946 [Thread-35] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  9984. 10:12:31.947 [Thread-35] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  9985. 10:12:31.952 [Thread-35] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:114}] to localhost:27017 because the pool has been closed.
  9986. 10:12:43.141 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$a6843b2d] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  9987. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  9988. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  9989. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  9990. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  9991. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  9992. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  9993. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  9994. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  9995. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  9996. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  9997. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  9998. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  9999. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  10000. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  10001. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  10002. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=409MB
  10003. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  10004. 10:12:43.251 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=597MB
  10005. 10:12:43.261 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10006. 10:12:43.264 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@3be4f71
  10007. 10:12:43.270 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10008. 10:12:43.321 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10009. 10:12:43.326 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10010. 10:12:43.461 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:51514, server: 101.37.175.111/101.37.175.111:2181
  10011. 10:12:43.538 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd5c, negotiated timeout = 40000
  10012. 10:12:43.543 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10013. 10:12:46.626 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10014. 10:12:46.644 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  10015. 10:12:46.966 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  10016. 10:12:46.983 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 15ms. Found 0 repository interfaces.
  10017. 10:12:47.093 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  10018. 10:12:47.193 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$a6843b2d] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10019. 10:12:47.362 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  10020. 10:12:47.378 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  10021. 10:12:47.378 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  10022. 10:12:47.460 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  10023. 10:12:47.461 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 810 ms
  10024. 10:12:47.658 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  10025. 10:12:47.691 [cluster-ClusterId{value='608b679f6adc049e173f8daa', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:115}] to localhost:27017
  10026. 10:12:47.694 [cluster-ClusterId{value='608b679f6adc049e173f8daa', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=1817025}
  10027. 10:12:47.956 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:116}] to localhost:27017
  10028. 10:12:48.181 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  10029. 10:12:48.181 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  10030. 10:12:48.184 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  10031. 10:12:48.184 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  10032. 10:12:48.326 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  10033. 10:12:48.464 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  10034. 10:12:48.689 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  10035. 10:12:48.837 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  10036. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10037. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  10038. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10039. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  10040. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  10041. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  10042. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  10043. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  10044. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  10045. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  10046. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  10047. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  10048. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  10049. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  10050. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  10051. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  10052. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  10053. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  10054. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  10055. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  10056. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  10057. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  10058. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  10059. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  10060. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  10061. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  10062. at edu.nju.BugApplication.main(BugApplication.java:31)
  10063. 10:12:48.839 [main] INFO edu.nju.BugApplication - Started BugApplication in 6.104 seconds (JVM running for 11.53)
  10064. 10:15:32.282 [http-nio-8090-exec-1] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring DispatcherServlet 'dispatcherServlet'
  10065. 10:15:32.282 [http-nio-8090-exec-1] INFO o.s.web.servlet.DispatcherServlet - Initializing Servlet 'dispatcherServlet'
  10066. 10:15:32.289 [http-nio-8090-exec-1] INFO o.s.web.servlet.DispatcherServlet - Completed initialization in 7 ms
  10067. 10:17:42.576 [http-nio-8090-exec-9] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:3, serverValue:117}] to localhost:27017
  10068. 10:24:55.537 [Thread-32] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  10069. 10:24:55.539 [Thread-32] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  10070. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10071. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  10072. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10073. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  10074. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  10075. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  10076. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  10077. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  10078. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  10079. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  10080. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  10081. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  10082. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  10083. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  10084. at java.lang.reflect.Method.invoke(Method.java:498)
  10085. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  10086. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  10087. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  10088. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  10089. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  10090. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  10091. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  10092. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  10093. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  10094. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  10095. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  10096. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  10097. 10:24:55.539 [Thread-32] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  10098. 10:24:55.539 [Thread-32] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  10099. 10:24:55.545 [Thread-32] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:116}] to localhost:27017 because the pool has been closed.
  10100. 10:24:55.545 [Thread-32] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:3, serverValue:117}] to localhost:27017 because the pool has been closed.
  10101. 10:25:05.292 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10102. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  10103. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  10104. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  10105. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  10106. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  10107. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  10108. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  10109. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  10110. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  10111. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  10112. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  10113. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  10114. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  10115. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  10116. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  10117. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=157MB
  10118. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  10119. 10:25:05.405 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=332MB
  10120. 10:25:05.417 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10121. 10:25:05.420 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@5f13be1
  10122. 10:25:05.427 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10123. 10:25:05.474 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10124. 10:25:05.480 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10125. 10:25:05.579 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56610, server: 101.37.175.111/101.37.175.111:2181
  10126. 10:25:05.654 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd5f, negotiated timeout = 40000
  10127. 10:25:05.659 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10128. 10:25:10.550 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10129. 10:25:10.571 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  10130. 10:25:10.973 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  10131. 10:25:10.992 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 16ms. Found 0 repository interfaces.
  10132. 10:25:11.113 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  10133. 10:25:11.230 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10134. 10:25:11.420 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  10135. 10:25:11.436 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  10136. 10:25:11.436 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  10137. 10:25:11.520 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  10138. 10:25:11.521 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 944 ms
  10139. 10:25:11.718 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  10140. 10:25:11.751 [cluster-ClusterId{value='608b6a876adc049f6660e772', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:118}] to localhost:27017
  10141. 10:25:11.755 [cluster-ClusterId{value='608b6a876adc049f6660e772', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=2139067}
  10142. 10:25:11.969 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:119}] to localhost:27017
  10143. 10:25:12.176 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  10144. 10:25:12.176 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  10145. 10:25:12.178 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  10146. 10:25:12.178 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  10147. 10:25:12.313 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  10148. 10:25:12.530 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  10149. 10:25:12.789 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  10150. 10:25:12.867 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  10151. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10152. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  10153. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10154. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  10155. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  10156. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  10157. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  10158. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  10159. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  10160. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  10161. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  10162. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  10163. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  10164. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  10165. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  10166. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  10167. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  10168. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  10169. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  10170. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  10171. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  10172. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  10173. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  10174. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  10175. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  10176. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  10177. at edu.nju.BugApplication.main(BugApplication.java:31)
  10178. 10:25:12.870 [main] INFO edu.nju.BugApplication - Started BugApplication in 7.982 seconds (JVM running for 12.956)
  10179. 10:25:13.304 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10180. 10:25:13.321 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10181. 10:25:13.321 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@207a6d77
  10182. 10:25:13.322 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10183. 10:25:13.322 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10184. 10:25:13.322 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10185. 10:25:13.374 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56665, server: 101.37.175.111/101.37.175.111:2181
  10186. 10:25:13.435 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd60, negotiated timeout = 40000
  10187. 10:25:13.435 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10188. 10:25:20.617 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10189. 10:25:20.639 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10190. 10:25:20.649 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 7.389 seconds (JVM running for 20.735)
  10191. 10:25:20.651 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10192. 10:25:20.728 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd60
  10193. 10:25:20.728 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd60 closed
  10194. 10:25:20.757 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10195. 10:25:20.818 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10196. 10:25:20.845 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10197. 10:25:20.846 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@34da449e
  10198. 10:25:20.846 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10199. 10:25:20.846 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10200. 10:25:20.847 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10201. 10:25:20.909 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56718, server: 101.37.175.111/101.37.175.111:2181
  10202. 10:25:20.987 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd61, negotiated timeout = 40000
  10203. 10:25:20.987 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10204. 10:25:22.877 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  10205. 10:25:22.878 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  10206. java.net.ConnectException: Connection refused (Connection refused)
  10207. at java.net.PlainSocketImpl.socketConnect(Native Method)
  10208. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  10209. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  10210. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  10211. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  10212. at java.net.Socket.connect(Socket.java:589)
  10213. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  10214. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  10215. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  10216. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  10217. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  10218. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  10219. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  10220. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  10221. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  10222. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  10223. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  10224. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  10225. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  10226. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  10227. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10228. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10229. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10230. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10231. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10232. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10233. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10234. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10235. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10236. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10237. at java.lang.Thread.run(Thread.java:748)
  10238. 10:25:22.878 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  10239. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10240. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  10241. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10242. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10243. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10244. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10245. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10246. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10247. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10248. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10249. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10250. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10251. at java.lang.Thread.run(Thread.java:748)
  10252. 10:25:22.878 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  10253. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10254. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  10255. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10256. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10257. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10258. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10259. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10260. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10261. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10262. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10263. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10264. at java.lang.Thread.run(Thread.java:748)
  10265. 10:25:23.793 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10266. 10:25:23.804 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10267. 10:25:23.810 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.051 seconds (JVM running for 23.897)
  10268. 10:25:23.811 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10269. 10:25:23.887 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd61 closed
  10270. 10:25:23.887 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd61
  10271. 10:25:23.902 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10272. 10:25:23.936 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10273. 10:25:23.950 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10274. 10:25:23.951 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@41486eb0
  10275. 10:25:23.951 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10276. 10:25:23.951 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10277. 10:25:23.951 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10278. 10:25:24.006 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56741, server: 101.37.175.111/101.37.175.111:2181
  10279. 10:25:24.067 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd62, negotiated timeout = 40000
  10280. 10:25:24.075 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10281. 10:25:27.018 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10282. 10:25:27.050 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10283. 10:25:27.066 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.163 seconds (JVM running for 27.152)
  10284. 10:25:27.067 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10285. 10:25:27.141 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd62 closed
  10286. 10:25:27.141 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd62
  10287. 10:25:27.181 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10288. 10:25:27.267 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10289. 10:25:27.295 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10290. 10:25:27.296 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@18ec4115
  10291. 10:25:27.297 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10292. 10:25:27.298 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10293. 10:25:27.298 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10294. 10:25:27.375 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56760, server: 101.37.175.111/101.37.175.111:2181
  10295. 10:25:27.446 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd63, negotiated timeout = 40000
  10296. 10:25:27.446 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10297. 10:25:27.879 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  10298. 10:25:27.892 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  10299. java.net.ConnectException: Connection refused (Connection refused)
  10300. at java.net.PlainSocketImpl.socketConnect(Native Method)
  10301. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  10302. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  10303. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  10304. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  10305. at java.net.Socket.connect(Socket.java:589)
  10306. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  10307. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  10308. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  10309. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  10310. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  10311. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  10312. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  10313. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  10314. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  10315. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  10316. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  10317. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  10318. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  10319. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  10320. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10321. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10322. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10323. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10324. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10325. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10326. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10327. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10328. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10329. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10330. at java.lang.Thread.run(Thread.java:748)
  10331. 10:25:27.894 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  10332. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10333. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  10334. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10335. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10336. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10337. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10338. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10339. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10340. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10341. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10342. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10343. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10344. at java.lang.Thread.run(Thread.java:748)
  10345. 10:25:27.915 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  10346. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10347. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  10348. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10349. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10350. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10351. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10352. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10353. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10354. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10355. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10356. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10357. at java.lang.Thread.run(Thread.java:748)
  10358. 10:25:30.217 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10359. 10:25:30.328 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10360. 10:25:30.384 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.2 seconds (JVM running for 30.47)
  10361. 10:25:30.388 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10362. 10:25:30.459 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd63 closed
  10363. 10:25:30.459 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd63
  10364. 10:25:30.475 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10365. 10:25:30.570 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10366. 10:25:30.621 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10367. 10:25:30.621 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@5d4886c3
  10368. 10:25:30.621 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10369. 10:25:30.622 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10370. 10:25:30.622 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10371. 10:25:30.688 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56787, server: 101.37.175.111/101.37.175.111:2181
  10372. 10:25:30.757 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd64, negotiated timeout = 40000
  10373. 10:25:30.757 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10374. 10:25:32.922 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  10375. 10:25:32.923 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  10376. java.net.ConnectException: Connection refused (Connection refused)
  10377. at java.net.PlainSocketImpl.socketConnect(Native Method)
  10378. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  10379. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  10380. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  10381. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  10382. at java.net.Socket.connect(Socket.java:589)
  10383. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  10384. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  10385. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  10386. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  10387. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  10388. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  10389. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  10390. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  10391. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  10392. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  10393. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  10394. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  10395. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  10396. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  10397. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10398. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10399. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10400. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10401. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10402. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10403. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10404. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10405. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10406. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10407. at java.lang.Thread.run(Thread.java:748)
  10408. 10:25:32.924 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  10409. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10410. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  10411. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10412. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10413. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10414. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10415. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10416. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10417. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10418. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10419. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10420. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10421. at java.lang.Thread.run(Thread.java:748)
  10422. 10:25:32.924 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  10423. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10424. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  10425. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10426. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10427. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10428. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10429. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10430. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10431. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10432. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10433. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10434. at java.lang.Thread.run(Thread.java:748)
  10435. 10:25:33.367 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10436. 10:25:33.387 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10437. 10:25:33.396 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.92 seconds (JVM running for 33.482)
  10438. 10:25:33.397 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10439. 10:25:33.463 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd64
  10440. 10:25:33.463 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd64 closed
  10441. 10:25:33.487 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10442. 10:25:33.567 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10443. 10:25:33.583 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10444. 10:25:33.584 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@1bc0cfdd
  10445. 10:25:33.584 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10446. 10:25:33.584 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10447. 10:25:33.584 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10448. 10:25:33.646 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56807, server: 101.37.175.111/101.37.175.111:2181
  10449. 10:25:33.725 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd65, negotiated timeout = 40000
  10450. 10:25:33.725 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10451. 10:25:36.594 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10452. 10:25:36.604 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10453. 10:25:36.609 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.121 seconds (JVM running for 36.695)
  10454. 10:25:36.610 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10455. 10:25:36.670 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd65 closed
  10456. 10:25:36.670 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd65
  10457. 10:25:36.686 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10458. 10:25:36.729 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10459. 10:25:36.741 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10460. 10:25:36.741 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@50d3a608
  10461. 10:25:36.742 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10462. 10:25:36.742 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10463. 10:25:36.742 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10464. 10:25:36.809 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56829, server: 101.37.175.111/101.37.175.111:2181
  10465. 10:25:36.899 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd66, negotiated timeout = 40000
  10466. 10:25:36.900 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10467. 10:25:37.932 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  10468. 10:25:37.932 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  10469. java.net.ConnectException: Connection refused (Connection refused)
  10470. at java.net.PlainSocketImpl.socketConnect(Native Method)
  10471. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  10472. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  10473. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  10474. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  10475. at java.net.Socket.connect(Socket.java:589)
  10476. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  10477. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  10478. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  10479. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  10480. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  10481. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  10482. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  10483. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  10484. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  10485. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  10486. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  10487. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  10488. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  10489. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  10490. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10491. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10492. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10493. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10494. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10495. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10496. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10497. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10498. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10499. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10500. at java.lang.Thread.run(Thread.java:748)
  10501. 10:25:37.933 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  10502. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10503. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  10504. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10505. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10506. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10507. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10508. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10509. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10510. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10511. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10512. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10513. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10514. at java.lang.Thread.run(Thread.java:748)
  10515. 10:25:37.933 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  10516. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10517. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  10518. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10519. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10520. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10521. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10522. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10523. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10524. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10525. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10526. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10527. at java.lang.Thread.run(Thread.java:748)
  10528. 10:25:40.694 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10529. 10:25:40.702 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10530. 10:25:40.708 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 4.022 seconds (JVM running for 40.794)
  10531. 10:25:40.709 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10532. 10:25:40.781 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd66 closed
  10533. 10:25:40.781 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd66
  10534. 10:25:40.794 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10535. 10:25:40.822 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10536. 10:25:40.832 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10537. 10:25:40.832 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@63c96927
  10538. 10:25:40.832 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10539. 10:25:40.833 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10540. 10:25:40.833 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10541. 10:25:40.897 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56859, server: 101.37.175.111/101.37.175.111:2181
  10542. 10:25:40.974 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd67, negotiated timeout = 40000
  10543. 10:25:40.975 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10544. 10:25:42.934 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  10545. 10:25:42.935 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  10546. java.net.ConnectException: Connection refused (Connection refused)
  10547. at java.net.PlainSocketImpl.socketConnect(Native Method)
  10548. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  10549. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  10550. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  10551. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  10552. at java.net.Socket.connect(Socket.java:589)
  10553. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  10554. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  10555. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  10556. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  10557. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  10558. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  10559. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  10560. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  10561. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  10562. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  10563. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  10564. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  10565. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  10566. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  10567. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10568. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10569. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10570. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10571. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10572. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10573. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10574. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10575. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10576. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10577. at java.lang.Thread.run(Thread.java:748)
  10578. 10:25:42.935 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  10579. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10580. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  10581. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10582. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10583. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10584. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10585. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10586. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10587. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10588. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10589. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10590. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10591. at java.lang.Thread.run(Thread.java:748)
  10592. 10:25:42.935 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  10593. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10594. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  10595. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10596. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10597. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10598. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10599. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10600. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10601. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10602. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10603. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10604. at java.lang.Thread.run(Thread.java:748)
  10605. 10:25:43.662 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10606. 10:25:43.685 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10607. 10:25:43.707 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.912 seconds (JVM running for 43.793)
  10608. 10:25:43.709 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10609. 10:25:43.767 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd67 closed
  10610. 10:25:43.767 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd67
  10611. 10:25:43.789 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10612. 10:25:43.830 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10613. 10:25:43.852 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10614. 10:25:43.853 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@11d01072
  10615. 10:25:43.854 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10616. 10:25:43.856 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10617. 10:25:43.856 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10618. 10:25:43.931 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56879, server: 101.37.175.111/101.37.175.111:2181
  10619. 10:25:43.991 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd68, negotiated timeout = 40000
  10620. 10:25:43.991 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10621. 10:25:46.834 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10622. 10:25:46.850 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10623. 10:25:46.859 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.069 seconds (JVM running for 46.945)
  10624. 10:25:46.860 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10625. 10:25:46.927 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd68 closed
  10626. 10:25:46.927 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd68
  10627. 10:25:46.945 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10628. 10:25:46.988 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10629. 10:25:46.999 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10630. 10:25:47.000 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@3937709d
  10631. 10:25:47.000 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10632. 10:25:47.000 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10633. 10:25:47.000 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10634. 10:25:47.055 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56901, server: 101.37.175.111/101.37.175.111:2181
  10635. 10:25:47.125 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd69, negotiated timeout = 40000
  10636. 10:25:47.125 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10637. 10:25:47.937 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  10638. 10:25:47.937 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  10639. java.net.ConnectException: Connection refused (Connection refused)
  10640. at java.net.PlainSocketImpl.socketConnect(Native Method)
  10641. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  10642. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  10643. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  10644. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  10645. at java.net.Socket.connect(Socket.java:589)
  10646. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  10647. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  10648. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  10649. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  10650. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  10651. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  10652. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  10653. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  10654. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  10655. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  10656. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  10657. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  10658. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  10659. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  10660. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10661. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10662. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10663. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10664. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10665. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10666. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10667. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10668. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10669. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10670. at java.lang.Thread.run(Thread.java:748)
  10671. 10:25:47.938 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  10672. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10673. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  10674. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10675. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10676. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10677. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10678. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10679. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10680. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10681. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10682. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10683. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10684. at java.lang.Thread.run(Thread.java:748)
  10685. 10:25:47.938 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  10686. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10687. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  10688. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10689. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10690. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10691. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10692. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10693. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10694. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10695. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10696. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10697. at java.lang.Thread.run(Thread.java:748)
  10698. 10:25:50.074 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10699. 10:25:50.086 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10700. 10:25:50.093 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.148 seconds (JVM running for 50.179)
  10701. 10:25:50.094 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10702. 10:25:50.147 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd69 closed
  10703. 10:25:50.147 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd69
  10704. 10:25:50.169 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10705. 10:25:50.242 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10706. 10:25:50.278 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10707. 10:25:50.279 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@23571c9f
  10708. 10:25:50.279 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10709. 10:25:50.279 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10710. 10:25:50.280 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10711. 10:25:50.342 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56926, server: 101.37.175.111/101.37.175.111:2181
  10712. 10:25:50.411 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd6a, negotiated timeout = 40000
  10713. 10:25:50.412 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10714. 10:25:52.941 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  10715. 10:25:52.941 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  10716. java.net.ConnectException: Connection refused (Connection refused)
  10717. at java.net.PlainSocketImpl.socketConnect(Native Method)
  10718. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  10719. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  10720. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  10721. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  10722. at java.net.Socket.connect(Socket.java:589)
  10723. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  10724. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  10725. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  10726. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  10727. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  10728. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  10729. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  10730. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  10731. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  10732. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  10733. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  10734. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  10735. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  10736. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  10737. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10738. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10739. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10740. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10741. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10742. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10743. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10744. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10745. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10746. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10747. at java.lang.Thread.run(Thread.java:748)
  10748. 10:25:52.941 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  10749. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10750. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  10751. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10752. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10753. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10754. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10755. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10756. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10757. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10758. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10759. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10760. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10761. at java.lang.Thread.run(Thread.java:748)
  10762. 10:25:52.941 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  10763. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10764. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  10765. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10766. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10767. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10768. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10769. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10770. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10771. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10772. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10773. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10774. at java.lang.Thread.run(Thread.java:748)
  10775. 10:25:53.662 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10776. 10:25:53.673 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10777. 10:25:53.679 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.509 seconds (JVM running for 53.765)
  10778. 10:25:53.679 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10779. 10:25:53.744 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd6a closed
  10780. 10:25:53.744 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd6a
  10781. 10:25:53.756 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10782. 10:25:53.785 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10783. 10:25:53.795 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10784. 10:25:53.795 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@55fb8cea
  10785. 10:25:53.795 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10786. 10:25:53.795 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10787. 10:25:53.795 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10788. 10:25:53.857 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56950, server: 101.37.175.111/101.37.175.111:2181
  10789. 10:25:53.929 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd6b, negotiated timeout = 40000
  10790. 10:25:53.929 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10791. 10:25:56.530 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10792. 10:25:56.574 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10793. 10:25:56.603 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.846 seconds (JVM running for 56.689)
  10794. 10:25:56.604 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10795. 10:25:56.699 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd6b closed
  10796. 10:25:56.699 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd6b
  10797. 10:25:56.769 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10798. 10:25:56.865 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10799. 10:25:56.916 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10800. 10:25:56.917 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@73f33504
  10801. 10:25:56.917 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10802. 10:25:56.918 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10803. 10:25:56.919 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10804. 10:25:57.005 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56974, server: 101.37.175.111/101.37.175.111:2181
  10805. 10:25:57.069 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd6c, negotiated timeout = 40000
  10806. 10:25:57.069 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10807. 10:25:57.942 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  10808. 10:25:57.944 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  10809. java.net.ConnectException: Connection refused (Connection refused)
  10810. at java.net.PlainSocketImpl.socketConnect(Native Method)
  10811. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  10812. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  10813. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  10814. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  10815. at java.net.Socket.connect(Socket.java:589)
  10816. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  10817. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  10818. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  10819. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  10820. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  10821. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  10822. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  10823. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  10824. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  10825. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  10826. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  10827. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  10828. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  10829. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  10830. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10831. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10832. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10833. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10834. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10835. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10836. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10837. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10838. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10839. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10840. at java.lang.Thread.run(Thread.java:748)
  10841. 10:25:57.944 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  10842. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10843. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  10844. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10845. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10846. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10847. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10848. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10849. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10850. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10851. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10852. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10853. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10854. at java.lang.Thread.run(Thread.java:748)
  10855. 10:25:57.944 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  10856. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10857. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  10858. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10859. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10860. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10861. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10862. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10863. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10864. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10865. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10866. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10867. at java.lang.Thread.run(Thread.java:748)
  10868. 10:25:59.724 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10869. 10:25:59.734 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10870. 10:25:59.740 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.969 seconds (JVM running for 59.826)
  10871. 10:25:59.740 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10872. 10:25:59.807 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd6c closed
  10873. 10:25:59.807 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd6c
  10874. 10:25:59.821 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10875. 10:25:59.858 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10876. 10:25:59.890 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10877. 10:25:59.890 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@64dd4157
  10878. 10:25:59.890 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10879. 10:25:59.892 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10880. 10:25:59.892 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10881. 10:25:59.946 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56994, server: 101.37.175.111/101.37.175.111:2181
  10882. 10:26:00.019 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd6d, negotiated timeout = 40000
  10883. 10:26:00.019 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10884. 10:26:02.693 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  10885. 10:26:02.703 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  10886. 10:26:02.708 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 2.886 seconds (JVM running for 62.794)
  10887. 10:26:02.708 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  10888. 10:26:02.770 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd6d closed
  10889. 10:26:02.770 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd6d
  10890. 10:26:02.782 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  10891. 10:26:02.813 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$d990cb8a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  10892. 10:26:02.823 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  10893. 10:26:02.823 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@24401a1a
  10894. 10:26:02.823 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  10895. 10:26:02.824 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  10896. 10:26:02.824 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  10897. 10:26:02.878 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:57018, server: 101.37.175.111/101.37.175.111:2181
  10898. 10:26:02.945 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  10899. 10:26:02.945 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  10900. java.net.ConnectException: Connection refused (Connection refused)
  10901. at java.net.PlainSocketImpl.socketConnect(Native Method)
  10902. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  10903. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  10904. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  10905. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  10906. at java.net.Socket.connect(Socket.java:589)
  10907. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  10908. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  10909. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  10910. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  10911. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  10912. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  10913. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  10914. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  10915. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  10916. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  10917. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  10918. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  10919. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  10920. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  10921. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10922. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10923. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10924. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10925. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10926. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10927. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10928. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10929. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10930. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10931. at java.lang.Thread.run(Thread.java:748)
  10932. 10:26:02.945 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  10933. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10934. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  10935. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10936. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10937. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10938. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10939. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10940. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10941. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10942. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10943. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10944. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10945. at java.lang.Thread.run(Thread.java:748)
  10946. 10:26:02.945 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  10947. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  10948. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  10949. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10950. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  10951. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  10952. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  10953. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  10954. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  10955. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  10956. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  10957. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  10958. at java.lang.Thread.run(Thread.java:748)
  10959. 10:26:02.949 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd6e, negotiated timeout = 40000
  10960. 10:26:02.949 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  10961. 10:26:04.800 [Thread-35] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  10962. 10:26:04.800 [Thread-35] INFO com.alibaba.nacos.client.naming - [BEAT] removing beat: DEFAULT_GROUP@@mooctest-crowdsource-backend:192.168.43.121:8090 from beat map.
  10963. 10:26:04.800 [Thread-35] INFO com.alibaba.nacos.client.naming - [DEREGISTER-SERVICE] public deregistering service DEFAULT_GROUP@@mooctest-crowdsource-backend with instance: {"clusterName":"DEFAULT","enabled":true,"ephemeral":true,"healthy":true,"instanceHeartBeatInterval":5000,"instanceHeartBeatTimeOut":15000,"ip":"192.168.43.121","ipDeleteTimeout":30000,"metadata":{},"port":8090,"weight":1.0}
  10964. 10:26:04.801 [Thread-35] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance?namespaceId=public&port=8090&clusterName=DEFAULT&ip=192.168.43.121&ephemeral=true&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8 from 127.0.0.1
  10965. 10:26:04.801 [Thread-35] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  10966. java.net.ConnectException: Connection refused (Connection refused)
  10967. at java.net.PlainSocketImpl.socketConnect(Native Method)
  10968. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  10969. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  10970. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  10971. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  10972. at java.net.Socket.connect(Socket.java:589)
  10973. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  10974. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  10975. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  10976. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  10977. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  10978. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  10979. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  10980. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  10981. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  10982. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  10983. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:89)
  10984. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  10985. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  10986. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  10987. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  10988. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  10989. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  10990. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  10991. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  10992. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  10993. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  10994. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  10995. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  10996. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  10997. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  10998. at java.lang.reflect.Method.invoke(Method.java:498)
  10999. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  11000. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  11001. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  11002. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  11003. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  11004. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  11005. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  11006. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  11007. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  11008. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  11009. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  11010. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  11011. 10:26:04.801 [Thread-35] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  11012. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11013. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  11014. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  11015. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11016. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  11017. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  11018. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  11019. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  11020. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  11021. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  11022. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  11023. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  11024. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  11025. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  11026. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  11027. at java.lang.reflect.Method.invoke(Method.java:498)
  11028. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  11029. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  11030. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  11031. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  11032. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  11033. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  11034. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  11035. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  11036. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  11037. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  11038. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  11039. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  11040. 10:26:04.801 [Thread-35] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  11041. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11042. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11043. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11044. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  11045. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  11046. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  11047. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  11048. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  11049. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  11050. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  11051. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  11052. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  11053. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  11054. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  11055. at java.lang.reflect.Method.invoke(Method.java:498)
  11056. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  11057. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  11058. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  11059. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  11060. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  11061. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  11062. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  11063. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  11064. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  11065. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  11066. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  11067. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  11068. 10:26:04.802 [Thread-35] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  11069. 10:26:04.802 [Thread-35] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  11070. 10:26:04.806 [Thread-35] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:119}] to localhost:27017 because the pool has been closed.
  11071. 10:26:14.432 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$18f54677] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11072. 10:26:14.956 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  11073. 10:26:14.956 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  11074. 10:26:14.956 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  11075. 10:26:14.956 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  11076. 10:26:14.956 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  11077. 10:26:14.956 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  11078. 10:26:14.956 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  11079. 10:26:14.956 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  11080. 10:26:14.957 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  11081. 10:26:14.957 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  11082. 10:26:14.957 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  11083. 10:26:14.957 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  11084. 10:26:14.957 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  11085. 10:26:14.957 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  11086. 10:26:14.957 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  11087. 10:26:14.957 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=175MB
  11088. 10:26:14.957 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  11089. 10:26:14.957 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=357MB
  11090. 10:26:14.976 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  11091. 10:26:14.981 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@6124287a
  11092. 10:26:14.992 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  11093. 10:26:15.110 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  11094. 10:26:15.118 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  11095. 10:26:15.321 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:57116, server: 101.37.175.111/101.37.175.111:2181
  11096. 10:26:15.389 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd6f, negotiated timeout = 40000
  11097. 10:26:15.394 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  11098. 10:26:18.787 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  11099. 10:26:18.805 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  11100. 10:26:19.173 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  11101. 10:26:19.189 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 14ms. Found 0 repository interfaces.
  11102. 10:26:19.298 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  11103. 10:26:19.415 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$18f54677] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11104. 10:26:19.611 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  11105. 10:26:19.626 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  11106. 10:26:19.626 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  11107. 10:26:19.694 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  11108. 10:26:19.695 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 883 ms
  11109. 10:26:19.927 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  11110. 10:26:19.983 [cluster-ClusterId{value='608b6acb6adc049f9bef4c46', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:120}] to localhost:27017
  11111. 10:26:19.987 [cluster-ClusterId{value='608b6acb6adc049f9bef4c46', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=1732347}
  11112. 10:26:30.423 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$5a6af0d9] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11113. 10:26:30.535 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  11114. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  11115. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  11116. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  11117. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  11118. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  11119. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  11120. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  11121. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  11122. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  11123. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  11124. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  11125. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  11126. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  11127. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  11128. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=169MB
  11129. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  11130. 10:26:30.536 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=343MB
  11131. 10:26:30.547 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  11132. 10:26:30.550 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@782168b7
  11133. 10:26:30.557 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  11134. 10:26:30.602 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  11135. 10:26:30.607 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  11136. 10:26:30.694 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:57226, server: 101.37.175.111/101.37.175.111:2181
  11137. 10:26:30.766 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd70, negotiated timeout = 40000
  11138. 10:26:30.771 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  11139. 10:26:33.900 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  11140. 10:26:33.919 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  11141. 10:26:34.254 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  11142. 10:26:34.273 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 17ms. Found 0 repository interfaces.
  11143. 10:26:34.378 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  11144. 10:26:34.470 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$5a6af0d9] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11145. 10:26:34.640 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  11146. 10:26:34.661 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  11147. 10:26:34.661 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  11148. 10:26:34.744 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  11149. 10:26:34.744 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 819 ms
  11150. 10:26:34.970 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  11151. 10:26:35.012 [cluster-ClusterId{value='608b6ada6adc049fa59bd540', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:121}] to localhost:27017
  11152. 10:26:35.017 [cluster-ClusterId{value='608b6ada6adc049fa59bd540', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=2441612}
  11153. 10:26:35.332 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:122}] to localhost:27017
  11154. 10:26:35.606 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11155. 10:26:35.606 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11156. 10:26:35.610 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11157. 10:26:35.610 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11158. 10:26:35.857 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  11159. 10:26:36.186 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  11160. 10:26:36.674 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  11161. 10:26:37.010 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  11162. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11163. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11164. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11165. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  11166. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  11167. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  11168. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  11169. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  11170. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  11171. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  11172. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  11173. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  11174. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  11175. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  11176. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  11177. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  11178. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  11179. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  11180. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  11181. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  11182. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  11183. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  11184. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  11185. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  11186. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  11187. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  11188. at edu.nju.BugApplication.main(BugApplication.java:31)
  11189. 10:26:37.013 [main] INFO edu.nju.BugApplication - Started BugApplication in 6.941 seconds (JVM running for 12.093)
  11190. 10:26:53.933 [Thread-34] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  11191. 10:26:53.935 [Thread-34] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  11192. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11193. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11194. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11195. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  11196. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  11197. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  11198. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  11199. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  11200. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  11201. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  11202. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  11203. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  11204. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  11205. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  11206. at java.lang.reflect.Method.invoke(Method.java:498)
  11207. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  11208. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  11209. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  11210. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  11211. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  11212. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  11213. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  11214. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  11215. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  11216. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  11217. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  11218. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  11219. 10:26:53.935 [Thread-34] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  11220. 10:26:53.935 [Thread-34] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  11221. 10:26:53.940 [Thread-34] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:122}] to localhost:27017 because the pool has been closed.
  11222. 10:27:02.385 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$1a7c6992] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11223. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  11224. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  11225. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  11226. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  11227. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  11228. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  11229. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  11230. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  11231. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  11232. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  11233. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  11234. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  11235. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  11236. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  11237. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  11238. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=174MB
  11239. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  11240. 10:27:02.560 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=352MB
  11241. 10:27:02.575 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  11242. 10:27:02.578 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@1d12b024
  11243. 10:27:02.587 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  11244. 10:27:02.649 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  11245. 10:27:02.653 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  11246. 10:27:02.742 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:57452, server: 101.37.175.111/101.37.175.111:2181
  11247. 10:27:02.815 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd71, negotiated timeout = 40000
  11248. 10:27:02.820 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  11249. 10:27:05.869 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  11250. 10:27:05.894 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  11251. 10:27:06.203 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  11252. 10:27:06.217 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 12ms. Found 0 repository interfaces.
  11253. 10:27:06.314 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  11254. 10:27:06.405 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$1a7c6992] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11255. 10:27:06.566 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  11256. 10:27:06.579 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  11257. 10:27:06.580 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  11258. 10:27:06.645 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  11259. 10:27:06.645 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 745 ms
  11260. 10:27:06.819 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  11261. 10:27:06.850 [cluster-ClusterId{value='608b6afa6adc049fc6b2aa0c', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:123}] to localhost:27017
  11262. 10:27:06.854 [cluster-ClusterId{value='608b6afa6adc049fc6b2aa0c', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=1855114}
  11263. 10:27:07.066 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:124}] to localhost:27017
  11264. 10:27:07.277 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11265. 10:27:07.277 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11266. 10:27:07.280 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11267. 10:27:07.280 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11268. 10:27:07.407 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  11269. 10:27:07.546 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  11270. 10:27:07.787 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  11271. 10:27:07.935 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  11272. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11273. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11274. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11275. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  11276. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  11277. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  11278. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  11279. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  11280. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  11281. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  11282. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  11283. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  11284. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  11285. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  11286. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  11287. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  11288. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  11289. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  11290. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  11291. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  11292. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  11293. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  11294. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  11295. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  11296. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  11297. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  11298. at edu.nju.BugApplication.main(BugApplication.java:31)
  11299. 10:27:07.938 [main] INFO edu.nju.BugApplication - Started BugApplication in 5.984 seconds (JVM running for 10.018)
  11300. 10:27:21.894 [http-nio-8090-exec-1] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring DispatcherServlet 'dispatcherServlet'
  11301. 10:27:21.894 [http-nio-8090-exec-1] INFO o.s.web.servlet.DispatcherServlet - Initializing Servlet 'dispatcherServlet'
  11302. 10:27:21.902 [http-nio-8090-exec-1] INFO o.s.web.servlet.DispatcherServlet - Completed initialization in 7 ms
  11303. 10:33:35.484 [Thread-29] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  11304. 10:33:35.487 [Thread-29] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  11305. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11306. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11307. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11308. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  11309. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  11310. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  11311. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  11312. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  11313. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  11314. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  11315. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  11316. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  11317. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  11318. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  11319. at java.lang.reflect.Method.invoke(Method.java:498)
  11320. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  11321. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  11322. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  11323. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  11324. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  11325. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  11326. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  11327. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  11328. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  11329. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  11330. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  11331. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  11332. 10:33:35.487 [Thread-29] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  11333. 10:33:35.487 [Thread-29] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  11334. 10:33:35.496 [Thread-29] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:124}] to localhost:27017 because the pool has been closed.
  11335. 10:33:49.949 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$8f7bb68d] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11336. 10:33:50.049 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  11337. 10:33:50.049 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  11338. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  11339. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  11340. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  11341. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  11342. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  11343. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  11344. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  11345. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  11346. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  11347. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  11348. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  11349. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  11350. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  11351. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=162MB
  11352. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  11353. 10:33:50.050 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=339MB
  11354. 10:33:50.060 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  11355. 10:33:50.063 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@16a9a4f1
  11356. 10:33:50.070 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  11357. 10:33:50.118 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  11358. 10:33:50.123 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  11359. 10:33:50.215 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:60220, server: 101.37.175.111/101.37.175.111:2181
  11360. 10:33:50.284 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd73, negotiated timeout = 40000
  11361. 10:33:50.293 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  11362. 10:33:53.189 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  11363. 10:33:53.209 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  11364. 10:33:53.597 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  11365. 10:33:53.613 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 14ms. Found 0 repository interfaces.
  11366. 10:33:53.713 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  11367. 10:33:53.812 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$8f7bb68d] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11368. 10:33:53.973 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  11369. 10:33:53.987 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  11370. 10:33:53.987 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  11371. 10:33:54.071 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  11372. 10:33:54.071 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 855 ms
  11373. 10:33:54.261 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  11374. 10:33:54.293 [cluster-ClusterId{value='608b6c926adc04a05708ab96', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:125}] to localhost:27017
  11375. 10:33:54.296 [cluster-ClusterId{value='608b6c926adc04a05708ab96', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=1637296}
  11376. 10:33:54.474 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:126}] to localhost:27017
  11377. 10:33:54.660 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11378. 10:33:54.660 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11379. 10:33:54.663 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11380. 10:33:54.663 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11381. 10:33:54.816 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  11382. 10:33:55.026 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  11383. 10:33:55.230 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  11384. 10:33:55.391 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  11385. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11386. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11387. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11388. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  11389. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  11390. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  11391. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  11392. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  11393. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  11394. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  11395. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  11396. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  11397. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  11398. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  11399. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  11400. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  11401. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  11402. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  11403. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  11404. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  11405. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  11406. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  11407. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  11408. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  11409. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  11410. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  11411. at edu.nju.BugApplication.main(BugApplication.java:31)
  11412. 10:33:55.393 [main] INFO edu.nju.BugApplication - Started BugApplication in 5.867 seconds (JVM running for 12.708)
  11413. 10:36:40.735 [Thread-34] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  11414. 10:36:40.737 [Thread-34] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  11415. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11416. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11417. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11418. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  11419. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  11420. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  11421. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  11422. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  11423. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  11424. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  11425. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  11426. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  11427. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  11428. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  11429. at java.lang.reflect.Method.invoke(Method.java:498)
  11430. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  11431. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  11432. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  11433. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  11434. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  11435. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  11436. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  11437. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  11438. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  11439. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  11440. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  11441. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  11442. 10:36:40.737 [Thread-34] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  11443. 10:36:40.737 [Thread-34] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  11444. 10:36:40.742 [Thread-34] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:126}] to localhost:27017 because the pool has been closed.
  11445. 10:36:50.667 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$54a502f2] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11446. 10:36:50.787 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  11447. 10:36:50.787 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  11448. 10:36:50.787 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  11449. 10:36:50.787 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  11450. 10:36:50.787 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  11451. 10:36:50.787 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  11452. 10:36:50.788 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  11453. 10:36:50.788 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  11454. 10:36:50.788 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  11455. 10:36:50.788 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  11456. 10:36:50.788 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  11457. 10:36:50.788 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  11458. 10:36:50.788 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  11459. 10:36:50.788 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  11460. 10:36:50.788 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  11461. 10:36:50.788 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=408MB
  11462. 10:36:50.788 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  11463. 10:36:50.788 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=596MB
  11464. 10:36:50.800 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  11465. 10:36:50.803 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@7551da2a
  11466. 10:36:50.810 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  11467. 10:36:50.871 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  11468. 10:36:50.877 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  11469. 10:36:51.050 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61454, server: 101.37.175.111/101.37.175.111:2181
  11470. 10:36:51.190 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd75, negotiated timeout = 40000
  11471. 10:36:51.196 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  11472. 10:36:54.169 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  11473. 10:36:54.190 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  11474. 10:36:54.582 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  11475. 10:36:54.598 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 14ms. Found 0 repository interfaces.
  11476. 10:36:54.712 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  11477. 10:36:54.822 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$54a502f2] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11478. 10:36:55.008 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  11479. 10:36:55.025 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  11480. 10:36:55.025 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  11481. 10:36:55.115 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  11482. 10:36:55.115 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 919 ms
  11483. 10:36:55.355 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  11484. 10:36:55.390 [cluster-ClusterId{value='608b6d476adc04a0c193f41d', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:127}] to localhost:27017
  11485. 10:36:55.393 [cluster-ClusterId{value='608b6d476adc04a0c193f41d', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=1961814}
  11486. 10:36:55.610 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:128}] to localhost:27017
  11487. 10:36:55.857 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11488. 10:36:55.857 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11489. 10:36:55.860 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11490. 10:36:55.860 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11491. 10:36:56.015 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  11492. 10:36:56.166 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  11493. 10:36:56.395 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  11494. 10:36:56.522 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  11495. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11496. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11497. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11498. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  11499. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  11500. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  11501. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  11502. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  11503. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  11504. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  11505. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  11506. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  11507. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  11508. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  11509. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  11510. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  11511. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  11512. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  11513. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  11514. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  11515. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  11516. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  11517. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  11518. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  11519. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  11520. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  11521. at edu.nju.BugApplication.main(BugApplication.java:31)
  11522. 10:36:56.524 [main] INFO edu.nju.BugApplication - Started BugApplication in 6.247 seconds (JVM running for 11.868)
  11523. 10:37:16.175 [Thread-33] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  11524. 10:37:16.178 [Thread-33] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  11525. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11526. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11527. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11528. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  11529. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  11530. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  11531. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  11532. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  11533. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  11534. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  11535. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  11536. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  11537. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  11538. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  11539. at java.lang.reflect.Method.invoke(Method.java:498)
  11540. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  11541. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  11542. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  11543. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  11544. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  11545. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  11546. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  11547. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  11548. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  11549. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  11550. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  11551. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  11552. 10:37:16.178 [Thread-33] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  11553. 10:37:16.178 [Thread-33] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  11554. 10:37:16.184 [Thread-33] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:128}] to localhost:27017 because the pool has been closed.
  11555. 10:37:29.533 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$7adf33c1] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11556. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  11557. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  11558. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  11559. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  11560. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  11561. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  11562. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  11563. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  11564. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  11565. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  11566. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  11567. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  11568. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  11569. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  11570. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  11571. 10:37:30.062 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=168MB
  11572. 10:37:30.063 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  11573. 10:37:30.063 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=347MB
  11574. 10:37:30.087 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  11575. 10:37:30.090 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@7435a578
  11576. 10:37:30.099 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  11577. 10:37:30.199 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  11578. 10:37:30.204 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  11579. 10:37:30.299 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61737, server: 101.37.175.111/101.37.175.111:2181
  11580. 10:37:30.385 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd76, negotiated timeout = 40000
  11581. 10:37:30.391 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  11582. 10:37:40.775 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$3ba05b8e] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11583. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  11584. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  11585. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  11586. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  11587. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  11588. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  11589. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  11590. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  11591. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  11592. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  11593. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  11594. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  11595. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  11596. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  11597. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  11598. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=443MB
  11599. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  11600. 10:37:40.930 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=630MB
  11601. 10:37:40.944 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  11602. 10:37:40.948 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@29f0c4f2
  11603. 10:37:40.956 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  11604. 10:37:41.018 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  11605. 10:37:41.023 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  11606. 10:37:41.117 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61811, server: 101.37.175.111/101.37.175.111:2181
  11607. 10:37:41.191 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd77, negotiated timeout = 40000
  11608. 10:37:41.196 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  11609. 10:37:43.856 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  11610. 10:37:43.895 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  11611. 10:37:44.426 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  11612. 10:37:44.446 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 18ms. Found 0 repository interfaces.
  11613. 10:37:44.584 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  11614. 10:37:44.701 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$3ba05b8e] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11615. 10:37:44.888 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  11616. 10:37:44.912 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  11617. 10:37:44.913 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  11618. 10:37:45.030 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  11619. 10:37:45.030 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 1116 ms
  11620. 10:37:45.236 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  11621. 10:37:45.293 [cluster-ClusterId{value='608b6d796adc04a0e8f6c4da', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:129}] to localhost:27017
  11622. 10:37:45.298 [cluster-ClusterId{value='608b6d796adc04a0e8f6c4da', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=2954990}
  11623. 10:37:45.852 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:130}] to localhost:27017
  11624. 10:37:46.250 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11625. 10:37:46.250 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11626. 10:37:46.253 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11627. 10:37:46.253 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11628. 10:37:46.448 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  11629. 10:37:56.404 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$b5971f11] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11630. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  11631. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  11632. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  11633. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  11634. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  11635. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  11636. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  11637. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  11638. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  11639. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  11640. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  11641. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  11642. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  11643. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  11644. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  11645. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=176MB
  11646. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  11647. 10:37:56.529 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=347MB
  11648. 10:37:56.541 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  11649. 10:37:56.543 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@736f3e9e
  11650. 10:37:56.551 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  11651. 10:37:56.603 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  11652. 10:37:56.609 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  11653. 10:37:56.693 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:61922, server: 101.37.175.111/101.37.175.111:2181
  11654. 10:37:56.759 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd78, negotiated timeout = 40000
  11655. 10:37:56.764 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  11656. 10:37:59.708 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  11657. 10:37:59.726 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  11658. 10:38:00.049 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  11659. 10:38:00.066 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 15ms. Found 0 repository interfaces.
  11660. 10:38:00.168 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  11661. 10:38:00.269 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$b5971f11] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11662. 10:38:00.455 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  11663. 10:38:00.470 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  11664. 10:38:00.470 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  11665. 10:38:00.550 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  11666. 10:38:00.550 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 817 ms
  11667. 10:38:00.734 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  11668. 10:38:00.769 [cluster-ClusterId{value='608b6d886adc04a0ecae7b12', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:131}] to localhost:27017
  11669. 10:38:00.772 [cluster-ClusterId{value='608b6d886adc04a0ecae7b12', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=1757855}
  11670. 10:38:00.968 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:132}] to localhost:27017
  11671. 10:38:01.179 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11672. 10:38:01.179 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11673. 10:38:01.182 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11674. 10:38:01.182 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11675. 10:38:01.315 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  11676. 10:38:01.441 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  11677. 10:38:01.635 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  11678. 10:38:01.768 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  11679. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11680. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11681. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11682. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  11683. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  11684. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  11685. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  11686. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  11687. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  11688. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  11689. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  11690. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  11691. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  11692. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  11693. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  11694. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  11695. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  11696. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  11697. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  11698. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  11699. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  11700. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  11701. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  11702. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  11703. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  11704. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  11705. at edu.nju.BugApplication.main(BugApplication.java:31)
  11706. 10:38:01.770 [main] INFO edu.nju.BugApplication - Started BugApplication in 5.807 seconds (JVM running for 10.716)
  11707. 10:38:36.839 [Thread-32] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  11708. 10:38:36.841 [Thread-32] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  11709. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11710. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11711. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11712. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  11713. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  11714. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  11715. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  11716. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  11717. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  11718. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  11719. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  11720. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  11721. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  11722. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  11723. at java.lang.reflect.Method.invoke(Method.java:498)
  11724. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  11725. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  11726. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  11727. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  11728. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  11729. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  11730. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  11731. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  11732. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  11733. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  11734. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  11735. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  11736. 10:38:36.841 [Thread-32] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  11737. 10:38:36.841 [Thread-32] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  11738. 10:38:36.845 [Thread-32] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:132}] to localhost:27017 because the pool has been closed.
  11739. 10:38:44.583 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11740. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  11741. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  11742. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  11743. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  11744. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  11745. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  11746. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  11747. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  11748. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  11749. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  11750. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  11751. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  11752. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  11753. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  11754. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  11755. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=412MB
  11756. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  11757. 10:38:44.684 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=601MB
  11758. 10:38:44.694 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  11759. 10:38:44.697 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@4d74c3ba
  11760. 10:38:44.703 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  11761. 10:38:44.707 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  11762. 10:38:44.719 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  11763. 10:38:44.816 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62258, server: 101.37.175.111/101.37.175.111:2181
  11764. 10:38:44.885 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd79, negotiated timeout = 40000
  11765. 10:38:44.890 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  11766. 10:38:47.739 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  11767. 10:38:47.760 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  11768. 10:38:48.142 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  11769. 10:38:48.159 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 15ms. Found 0 repository interfaces.
  11770. 10:38:48.263 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  11771. 10:38:48.384 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11772. 10:38:48.569 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  11773. 10:38:48.586 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  11774. 10:38:48.586 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  11775. 10:38:48.691 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  11776. 10:38:48.691 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 924 ms
  11777. 10:38:48.927 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  11778. 10:38:48.964 [cluster-ClusterId{value='608b6db86adc04a117babb61', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:133}] to localhost:27017
  11779. 10:38:48.968 [cluster-ClusterId{value='608b6db86adc04a117babb61', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=2276868}
  11780. 10:38:49.239 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:134}] to localhost:27017
  11781. 10:38:49.531 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11782. 10:38:49.531 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11783. 10:38:49.534 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  11784. 10:38:49.534 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  11785. 10:38:49.695 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  11786. 10:38:49.890 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  11787. 10:38:50.147 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  11788. 10:38:50.209 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  11789. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11790. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11791. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11792. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  11793. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  11794. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  11795. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  11796. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  11797. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  11798. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  11799. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  11800. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  11801. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  11802. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  11803. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  11804. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  11805. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  11806. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  11807. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  11808. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  11809. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  11810. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  11811. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  11812. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  11813. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  11814. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  11815. at edu.nju.BugApplication.main(BugApplication.java:31)
  11816. 10:38:50.211 [main] INFO edu.nju.BugApplication - Started BugApplication in 5.98 seconds (JVM running for 9.69)
  11817. 10:38:50.264 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11818. 10:38:50.278 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  11819. 10:38:50.279 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@72925fc4
  11820. 10:38:50.279 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  11821. 10:38:50.279 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  11822. 10:38:50.279 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  11823. 10:38:50.338 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62296, server: 101.37.175.111/101.37.175.111:2181
  11824. 10:38:50.406 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd7a, negotiated timeout = 40000
  11825. 10:38:50.406 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  11826. 10:38:53.447 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  11827. 10:38:53.480 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  11828. 10:38:53.546 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.319 seconds (JVM running for 13.025)
  11829. 10:38:53.565 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  11830. 10:38:53.707 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd7a closed
  11831. 10:38:53.707 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd7a
  11832. 10:38:53.726 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  11833. 10:38:53.761 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  11834. 10:38:53.776 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  11835. 10:38:53.776 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@2b715b4b
  11836. 10:38:53.776 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  11837. 10:38:53.776 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  11838. 10:38:53.777 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  11839. 10:38:54.045 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62324, server: 101.37.175.111/101.37.175.111:2181
  11840. 10:38:54.229 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd7b, negotiated timeout = 40000
  11841. 10:38:54.229 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  11842. 10:38:55.275 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  11843. 10:38:55.275 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  11844. java.net.ConnectException: Connection refused (Connection refused)
  11845. at java.net.PlainSocketImpl.socketConnect(Native Method)
  11846. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  11847. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  11848. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  11849. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  11850. at java.net.Socket.connect(Socket.java:589)
  11851. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  11852. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  11853. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  11854. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  11855. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  11856. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  11857. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  11858. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  11859. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  11860. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  11861. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  11862. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  11863. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  11864. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  11865. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  11866. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11867. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  11868. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  11869. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  11870. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  11871. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  11872. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  11873. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  11874. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  11875. at java.lang.Thread.run(Thread.java:748)
  11876. 10:38:55.276 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  11877. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11878. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  11879. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  11880. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11881. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  11882. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  11883. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  11884. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  11885. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  11886. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  11887. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  11888. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  11889. at java.lang.Thread.run(Thread.java:748)
  11890. 10:38:55.276 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  11891. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11892. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11893. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11894. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  11895. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  11896. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  11897. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  11898. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  11899. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  11900. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  11901. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  11902. at java.lang.Thread.run(Thread.java:748)
  11903. 10:38:55.299 [http-nio-8090-exec-1] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring DispatcherServlet 'dispatcherServlet'
  11904. 10:38:55.299 [http-nio-8090-exec-1] INFO o.s.web.servlet.DispatcherServlet - Initializing Servlet 'dispatcherServlet'
  11905. 10:38:55.305 [http-nio-8090-exec-1] INFO o.s.web.servlet.DispatcherServlet - Completed initialization in 6 ms
  11906. 10:39:00.279 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  11907. 10:39:00.280 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  11908. java.net.ConnectException: Connection refused (Connection refused)
  11909. at java.net.PlainSocketImpl.socketConnect(Native Method)
  11910. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  11911. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  11912. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  11913. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  11914. at java.net.Socket.connect(Socket.java:589)
  11915. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  11916. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  11917. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  11918. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  11919. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  11920. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  11921. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  11922. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  11923. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  11924. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  11925. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  11926. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  11927. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  11928. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  11929. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  11930. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11931. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  11932. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  11933. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  11934. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  11935. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  11936. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  11937. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  11938. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  11939. at java.lang.Thread.run(Thread.java:748)
  11940. 10:39:00.280 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  11941. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11942. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  11943. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  11944. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11945. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  11946. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  11947. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  11948. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  11949. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  11950. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  11951. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  11952. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  11953. at java.lang.Thread.run(Thread.java:748)
  11954. 10:39:00.280 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  11955. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  11956. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  11957. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11958. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  11959. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  11960. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  11961. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  11962. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  11963. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  11964. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  11965. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  11966. at java.lang.Thread.run(Thread.java:748)
  11967. 10:39:05.286 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  11968. 10:39:05.286 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  11969. java.net.ConnectException: Connection refused (Connection refused)
  11970. at java.net.PlainSocketImpl.socketConnect(Native Method)
  11971. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  11972. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  11973. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  11974. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  11975. at java.net.Socket.connect(Socket.java:589)
  11976. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  11977. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  11978. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  11979. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  11980. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  11981. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  11982. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  11983. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  11984. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  11985. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  11986. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  11987. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  11988. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  11989. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  11990. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  11991. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  11992. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  11993. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  11994. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  11995. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  11996. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  11997. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  11998. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  11999. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12000. at java.lang.Thread.run(Thread.java:748)
  12001. 10:39:05.286 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12002. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12003. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12004. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12005. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12006. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12007. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12008. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12009. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12010. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12011. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12012. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12013. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12014. at java.lang.Thread.run(Thread.java:748)
  12015. 10:39:05.286 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12016. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12017. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12018. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12019. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12020. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12021. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12022. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12023. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12024. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12025. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12026. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12027. at java.lang.Thread.run(Thread.java:748)
  12028. 10:39:10.289 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12029. 10:39:10.290 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12030. java.net.ConnectException: Connection refused (Connection refused)
  12031. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12032. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12033. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12034. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12035. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12036. at java.net.Socket.connect(Socket.java:589)
  12037. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12038. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12039. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12040. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12041. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12042. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12043. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12044. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12045. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12046. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12047. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12048. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12049. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12050. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12051. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12052. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12053. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12054. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12055. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12056. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12057. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12058. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12059. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12060. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12061. at java.lang.Thread.run(Thread.java:748)
  12062. 10:39:10.290 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12063. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12064. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12065. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12066. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12067. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12068. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12069. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12070. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12071. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12072. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12073. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12074. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12075. at java.lang.Thread.run(Thread.java:748)
  12076. 10:39:10.290 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12077. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12078. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12079. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12080. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12081. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12082. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12083. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12084. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12085. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12086. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12087. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12088. at java.lang.Thread.run(Thread.java:748)
  12089. 10:39:15.296 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12090. 10:39:15.296 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12091. java.net.ConnectException: Connection refused (Connection refused)
  12092. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12093. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12094. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12095. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12096. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12097. at java.net.Socket.connect(Socket.java:589)
  12098. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12099. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12100. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12101. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12102. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12103. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12104. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12105. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12106. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12107. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12108. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12109. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12110. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12111. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12112. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12113. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12114. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12115. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12116. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12117. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12118. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12119. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12120. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12121. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12122. at java.lang.Thread.run(Thread.java:748)
  12123. 10:39:15.297 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12124. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12125. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12126. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12127. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12128. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12129. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12130. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12131. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12132. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12133. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12134. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12135. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12136. at java.lang.Thread.run(Thread.java:748)
  12137. 10:39:15.297 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12138. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12139. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12140. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12141. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12142. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12143. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12144. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12145. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12146. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12147. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12148. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12149. at java.lang.Thread.run(Thread.java:748)
  12150. 10:39:20.300 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12151. 10:39:20.300 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12152. java.net.ConnectException: Connection refused (Connection refused)
  12153. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12154. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12155. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12156. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12157. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12158. at java.net.Socket.connect(Socket.java:589)
  12159. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12160. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12161. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12162. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12163. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12164. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12165. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12166. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12167. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12168. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12169. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12170. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12171. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12172. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12173. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12174. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12175. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12176. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12177. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12178. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12179. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12180. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12181. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12182. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12183. at java.lang.Thread.run(Thread.java:748)
  12184. 10:39:20.300 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12185. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12186. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12187. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12188. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12189. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12190. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12191. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12192. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12193. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12194. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12195. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12196. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12197. at java.lang.Thread.run(Thread.java:748)
  12198. 10:39:20.300 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12199. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12200. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12201. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12202. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12203. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12204. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12205. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12206. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12207. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12208. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12209. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12210. at java.lang.Thread.run(Thread.java:748)
  12211. 10:39:25.305 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12212. 10:39:25.306 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12213. java.net.ConnectException: Connection refused (Connection refused)
  12214. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12215. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12216. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12217. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12218. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12219. at java.net.Socket.connect(Socket.java:589)
  12220. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12221. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12222. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12223. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12224. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12225. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12226. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12227. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12228. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12229. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12230. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12231. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12232. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12233. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12234. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12235. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12236. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12237. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12238. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12239. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12240. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12241. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12242. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12243. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12244. at java.lang.Thread.run(Thread.java:748)
  12245. 10:39:25.306 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12246. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12247. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12248. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12249. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12250. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12251. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12252. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12253. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12254. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12255. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12256. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12257. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12258. at java.lang.Thread.run(Thread.java:748)
  12259. 10:39:25.306 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12260. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12261. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12262. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12263. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12264. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12265. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12266. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12267. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12268. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12269. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12270. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12271. at java.lang.Thread.run(Thread.java:748)
  12272. 10:39:30.307 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12273. 10:39:30.307 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12274. java.net.ConnectException: Connection refused (Connection refused)
  12275. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12276. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12277. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12278. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12279. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12280. at java.net.Socket.connect(Socket.java:589)
  12281. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12282. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12283. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12284. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12285. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12286. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12287. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12288. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12289. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12290. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12291. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12292. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12293. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12294. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12295. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12296. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12297. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12298. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12299. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12300. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12301. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12302. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12303. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12304. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12305. at java.lang.Thread.run(Thread.java:748)
  12306. 10:39:30.307 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12307. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12308. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12309. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12310. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12311. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12312. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12313. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12314. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12315. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12316. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12317. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12318. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12319. at java.lang.Thread.run(Thread.java:748)
  12320. 10:39:30.307 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12321. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12322. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12323. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12324. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12325. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12326. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12327. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12328. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12329. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12330. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12331. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12332. at java.lang.Thread.run(Thread.java:748)
  12333. 10:39:35.312 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12334. 10:39:35.313 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12335. java.net.ConnectException: Connection refused (Connection refused)
  12336. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12337. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12338. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12339. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12340. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12341. at java.net.Socket.connect(Socket.java:589)
  12342. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12343. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12344. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12345. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12346. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12347. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12348. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12349. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12350. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12351. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12352. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12353. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12354. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12355. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12356. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12357. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12358. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12359. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12360. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12361. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12362. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12363. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12364. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12365. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12366. at java.lang.Thread.run(Thread.java:748)
  12367. 10:39:35.313 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12368. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12369. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12370. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12371. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12372. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12373. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12374. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12375. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12376. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12377. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12378. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12379. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12380. at java.lang.Thread.run(Thread.java:748)
  12381. 10:39:35.313 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12382. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12383. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12384. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12385. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12386. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12387. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12388. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12389. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12390. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12391. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12392. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12393. at java.lang.Thread.run(Thread.java:748)
  12394. 10:39:40.314 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12395. 10:39:40.314 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12396. java.net.ConnectException: Connection refused (Connection refused)
  12397. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12398. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12399. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12400. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12401. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12402. at java.net.Socket.connect(Socket.java:589)
  12403. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12404. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12405. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12406. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12407. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12408. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12409. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12410. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12411. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12412. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12413. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12414. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12415. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12416. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12417. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12418. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12419. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12420. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12421. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12422. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12423. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12424. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12425. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12426. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12427. at java.lang.Thread.run(Thread.java:748)
  12428. 10:39:40.314 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12429. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12430. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12431. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12432. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12433. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12434. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12435. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12436. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12437. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12438. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12439. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12440. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12441. at java.lang.Thread.run(Thread.java:748)
  12442. 10:39:40.314 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12443. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12444. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12445. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12446. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12447. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12448. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12449. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12450. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12451. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12452. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12453. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12454. at java.lang.Thread.run(Thread.java:748)
  12455. 10:39:45.317 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12456. 10:39:45.318 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12457. java.net.ConnectException: Connection refused (Connection refused)
  12458. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12459. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12460. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12461. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12462. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12463. at java.net.Socket.connect(Socket.java:589)
  12464. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12465. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12466. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12467. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12468. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12469. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12470. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12471. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12472. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12473. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12474. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12475. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12476. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12477. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12478. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12479. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12480. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12481. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12482. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12483. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12484. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12485. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12486. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12487. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12488. at java.lang.Thread.run(Thread.java:748)
  12489. 10:39:45.318 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12490. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12491. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12492. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12493. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12494. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12495. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12496. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12497. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12498. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12499. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12500. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12501. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12502. at java.lang.Thread.run(Thread.java:748)
  12503. 10:39:45.318 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12504. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12505. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12506. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12507. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12508. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12509. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12510. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12511. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12512. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12513. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12514. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12515. at java.lang.Thread.run(Thread.java:748)
  12516. 10:39:50.323 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12517. 10:39:50.323 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12518. java.net.ConnectException: Connection refused (Connection refused)
  12519. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12520. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12521. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12522. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12523. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12524. at java.net.Socket.connect(Socket.java:589)
  12525. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12526. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12527. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12528. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12529. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12530. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12531. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12532. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12533. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12534. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12535. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12536. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12537. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12538. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12539. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12540. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12541. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12542. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12543. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12544. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12545. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12546. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12547. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12548. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12549. at java.lang.Thread.run(Thread.java:748)
  12550. 10:39:50.347 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12551. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12552. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12553. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12554. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12555. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12556. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12557. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12558. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12559. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12560. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12561. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12562. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12563. at java.lang.Thread.run(Thread.java:748)
  12564. 10:39:50.347 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12565. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12566. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12567. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12568. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12569. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12570. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12571. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12572. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12573. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12574. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12575. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12576. at java.lang.Thread.run(Thread.java:748)
  12577. 10:39:55.352 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12578. 10:39:55.352 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12579. java.net.ConnectException: Connection refused (Connection refused)
  12580. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12581. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12582. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12583. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12584. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12585. at java.net.Socket.connect(Socket.java:589)
  12586. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12587. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12588. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12589. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12590. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12591. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12592. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12593. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12594. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12595. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12596. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12597. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12598. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12599. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12600. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12601. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12602. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12603. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12604. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12605. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12606. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12607. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12608. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12609. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12610. at java.lang.Thread.run(Thread.java:748)
  12611. 10:39:55.352 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12612. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12613. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12614. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12615. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12616. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12617. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12618. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12619. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12620. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12621. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12622. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12623. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12624. at java.lang.Thread.run(Thread.java:748)
  12625. 10:39:55.353 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12626. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12627. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12628. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12629. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12630. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12631. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12632. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12633. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12634. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12635. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12636. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12637. at java.lang.Thread.run(Thread.java:748)
  12638. 10:40:00.355 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12639. 10:40:00.374 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12640. java.net.ConnectException: Connection refused (Connection refused)
  12641. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12642. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12643. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12644. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12645. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12646. at java.net.Socket.connect(Socket.java:589)
  12647. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12648. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12649. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12650. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12651. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12652. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12653. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12654. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12655. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12656. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12657. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12658. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12659. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12660. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12661. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12662. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12663. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12664. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12665. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12666. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12667. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12668. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12669. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12670. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12671. at java.lang.Thread.run(Thread.java:748)
  12672. 10:40:00.375 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12673. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12674. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12675. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12676. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12677. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12678. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12679. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12680. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12681. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12682. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12683. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12684. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12685. at java.lang.Thread.run(Thread.java:748)
  12686. 10:40:00.375 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12687. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12688. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12689. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12690. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12691. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12692. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12693. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12694. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12695. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12696. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12697. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12698. at java.lang.Thread.run(Thread.java:748)
  12699. 10:40:03.093 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  12700. 10:40:03.106 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  12701. 10:40:03.113 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 69.386 seconds (JVM running for 82.591)
  12702. 10:40:03.114 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  12703. 10:40:05.170 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd7b closed
  12704. 10:40:05.171 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd7b
  12705. 10:40:05.187 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  12706. 10:40:05.220 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  12707. 10:40:05.232 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  12708. 10:40:05.232 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@3b91c524
  12709. 10:40:05.232 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  12710. 10:40:05.233 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  12711. 10:40:05.233 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  12712. 10:40:05.378 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12713. 10:40:05.378 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12714. java.net.ConnectException: Connection refused (Connection refused)
  12715. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12716. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12717. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12718. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12719. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12720. at java.net.Socket.connect(Socket.java:589)
  12721. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12722. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12723. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12724. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12725. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12726. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12727. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12728. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12729. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12730. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12731. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12732. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12733. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12734. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12735. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12736. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12737. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12738. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12739. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12740. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12741. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12742. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12743. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12744. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12745. at java.lang.Thread.run(Thread.java:748)
  12746. 10:40:05.378 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12747. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12748. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12749. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12750. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12751. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12752. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12753. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12754. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12755. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12756. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12757. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12758. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12759. at java.lang.Thread.run(Thread.java:748)
  12760. 10:40:05.378 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12761. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12762. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12763. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12764. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12765. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12766. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12767. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12768. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12769. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12770. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12771. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12772. at java.lang.Thread.run(Thread.java:748)
  12773. 10:40:07.320 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62830, server: 101.37.175.111/101.37.175.111:2181
  12774. 10:40:09.422 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd7c, negotiated timeout = 40000
  12775. 10:40:09.422 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  12776. 10:40:10.380 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12777. 10:40:10.380 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12778. java.net.ConnectException: Connection refused (Connection refused)
  12779. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12780. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12781. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12782. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12783. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12784. at java.net.Socket.connect(Socket.java:589)
  12785. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12786. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12787. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12788. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12789. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12790. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12791. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12792. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12793. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12794. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12795. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12796. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12797. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12798. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12799. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12800. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12801. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12802. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12803. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12804. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12805. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12806. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12807. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12808. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12809. at java.lang.Thread.run(Thread.java:748)
  12810. 10:40:10.380 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12811. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12812. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12813. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12814. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12815. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12816. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12817. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12818. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12819. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12820. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12821. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12822. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12823. at java.lang.Thread.run(Thread.java:748)
  12824. 10:40:10.380 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12825. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12826. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12827. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12828. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12829. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12830. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12831. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12832. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12833. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12834. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12835. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12836. at java.lang.Thread.run(Thread.java:748)
  12837. 10:40:15.252 [http-nio-8090-exec-7] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  12838. java.lang.NullPointerException: null
  12839. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  12840. at edu.nju.service.RecommendService.recommandByTitle(RecommendService.java:202)
  12841. at edu.nju.controller.RecommendController.recommend(RecommendController.java:150)
  12842. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  12843. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  12844. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  12845. at java.lang.reflect.Method.invoke(Method.java:498)
  12846. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  12847. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  12848. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  12849. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  12850. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  12851. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  12852. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  12853. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  12854. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  12855. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  12856. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  12857. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  12858. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  12859. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  12860. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  12861. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  12862. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  12863. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  12864. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  12865. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  12866. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  12867. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  12868. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  12869. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  12870. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  12871. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  12872. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  12873. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  12874. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  12875. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  12876. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  12877. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  12878. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  12879. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  12880. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  12881. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  12882. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  12883. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  12884. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  12885. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  12886. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  12887. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  12888. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  12889. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  12890. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  12891. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  12892. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  12893. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  12894. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  12895. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  12896. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12897. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12898. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  12899. at java.lang.Thread.run(Thread.java:748)
  12900. 10:40:15.382 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  12901. 10:40:15.382 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  12902. java.net.ConnectException: Connection refused (Connection refused)
  12903. at java.net.PlainSocketImpl.socketConnect(Native Method)
  12904. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  12905. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  12906. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  12907. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  12908. at java.net.Socket.connect(Socket.java:589)
  12909. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  12910. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  12911. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  12912. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  12913. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  12914. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  12915. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  12916. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  12917. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  12918. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  12919. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  12920. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  12921. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  12922. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  12923. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12924. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12925. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12926. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12927. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12928. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12929. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12930. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12931. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12932. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12933. at java.lang.Thread.run(Thread.java:748)
  12934. 10:40:15.383 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  12935. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12936. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  12937. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  12938. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12939. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12940. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12941. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12942. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12943. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12944. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12945. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12946. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12947. at java.lang.Thread.run(Thread.java:748)
  12948. 10:40:15.383 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  12949. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  12950. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  12951. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  12952. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  12953. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  12954. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  12955. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  12956. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  12957. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  12958. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  12959. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  12960. at java.lang.Thread.run(Thread.java:748)
  12961. 10:40:15.398 [http-nio-8090-exec-8] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  12962. java.lang.NullPointerException: null
  12963. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  12964. at edu.nju.service.RecommendService.recommandByTitle(RecommendService.java:202)
  12965. at edu.nju.controller.RecommendController.recommend(RecommendController.java:150)
  12966. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  12967. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  12968. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  12969. at java.lang.reflect.Method.invoke(Method.java:498)
  12970. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  12971. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  12972. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  12973. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  12974. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  12975. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  12976. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  12977. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  12978. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  12979. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  12980. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  12981. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  12982. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  12983. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  12984. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  12985. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  12986. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  12987. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  12988. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  12989. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  12990. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  12991. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  12992. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  12993. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  12994. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  12995. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  12996. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  12997. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  12998. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  12999. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13000. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  13001. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13002. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13003. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13004. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  13005. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13006. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13007. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13008. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  13009. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  13010. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  13011. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  13012. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  13013. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  13014. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  13015. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  13016. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  13017. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  13018. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  13019. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  13020. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13021. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13022. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  13023. at java.lang.Thread.run(Thread.java:748)
  13024. 10:40:15.758 [http-nio-8090-exec-9] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  13025. java.lang.NullPointerException: null
  13026. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  13027. at edu.nju.service.RecommendService.recommandByDes(RecommendService.java:214)
  13028. at edu.nju.controller.RecommendController.recommend(RecommendController.java:151)
  13029. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  13030. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  13031. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  13032. at java.lang.reflect.Method.invoke(Method.java:498)
  13033. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  13034. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  13035. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  13036. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  13037. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  13038. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  13039. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  13040. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  13041. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  13042. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  13043. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  13044. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  13045. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  13046. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  13047. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13048. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  13049. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13050. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13051. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  13052. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13053. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13054. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13055. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  13056. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13057. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13058. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13059. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  13060. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13061. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13062. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13063. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  13064. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13065. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13066. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13067. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  13068. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13069. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13070. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13071. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  13072. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  13073. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  13074. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  13075. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  13076. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  13077. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  13078. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  13079. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  13080. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  13081. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  13082. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  13083. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13084. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13085. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  13086. at java.lang.Thread.run(Thread.java:748)
  13087. 10:40:17.670 [http-nio-8090-exec-10] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  13088. java.lang.NullPointerException: null
  13089. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  13090. at edu.nju.service.RecommendService.recommandByDes(RecommendService.java:214)
  13091. at edu.nju.controller.RecommendController.recommend(RecommendController.java:151)
  13092. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  13093. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  13094. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  13095. at java.lang.reflect.Method.invoke(Method.java:498)
  13096. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  13097. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  13098. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  13099. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  13100. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  13101. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  13102. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  13103. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  13104. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  13105. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  13106. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  13107. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  13108. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  13109. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  13110. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13111. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  13112. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13113. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13114. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  13115. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13116. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13117. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13118. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  13119. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13120. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13121. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13122. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  13123. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13124. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13125. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13126. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  13127. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13128. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13129. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13130. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  13131. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13132. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13133. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13134. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  13135. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  13136. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  13137. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  13138. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  13139. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  13140. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  13141. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  13142. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  13143. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  13144. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  13145. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  13146. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13147. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13148. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  13149. at java.lang.Thread.run(Thread.java:748)
  13150. 10:40:17.731 [http-nio-8090-exec-1] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  13151. java.lang.NullPointerException: null
  13152. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  13153. at edu.nju.service.RecommendService.recommandByDes(RecommendService.java:214)
  13154. at edu.nju.controller.RecommendController.recommend(RecommendController.java:151)
  13155. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  13156. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  13157. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  13158. at java.lang.reflect.Method.invoke(Method.java:498)
  13159. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  13160. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  13161. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  13162. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  13163. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  13164. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  13165. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  13166. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  13167. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  13168. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  13169. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  13170. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  13171. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  13172. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  13173. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13174. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  13175. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13176. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13177. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  13178. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13179. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13180. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13181. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  13182. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13183. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13184. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13185. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  13186. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13187. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13188. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13189. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  13190. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13191. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13192. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13193. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  13194. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13195. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13196. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13197. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  13198. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  13199. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  13200. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  13201. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  13202. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  13203. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  13204. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  13205. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  13206. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  13207. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  13208. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  13209. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13210. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13211. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  13212. at java.lang.Thread.run(Thread.java:748)
  13213. 10:40:18.354 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  13214. 10:40:18.376 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  13215. 10:40:18.383 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 13.195 seconds (JVM running for 97.861)
  13216. 10:40:18.383 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  13217. 10:40:18.464 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd7c closed
  13218. 10:40:18.464 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd7c
  13219. 10:40:18.479 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  13220. 10:40:18.513 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  13221. 10:40:18.525 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  13222. 10:40:18.525 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@7d741f5b
  13223. 10:40:18.525 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  13224. 10:40:18.525 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  13225. 10:40:18.525 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  13226. 10:40:18.586 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62936, server: 101.37.175.111/101.37.175.111:2181
  13227. 10:40:18.658 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd7d, negotiated timeout = 40000
  13228. 10:40:18.658 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  13229. 10:40:20.388 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  13230. 10:40:20.388 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  13231. java.net.ConnectException: Connection refused (Connection refused)
  13232. at java.net.PlainSocketImpl.socketConnect(Native Method)
  13233. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  13234. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  13235. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  13236. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  13237. at java.net.Socket.connect(Socket.java:589)
  13238. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  13239. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  13240. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  13241. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  13242. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  13243. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  13244. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  13245. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  13246. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  13247. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  13248. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  13249. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  13250. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  13251. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  13252. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  13253. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13254. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13255. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13256. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13257. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13258. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13259. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13260. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13261. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13262. at java.lang.Thread.run(Thread.java:748)
  13263. 10:40:20.389 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  13264. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  13265. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  13266. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  13267. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13268. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13269. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13270. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13271. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13272. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13273. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13274. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13275. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13276. at java.lang.Thread.run(Thread.java:748)
  13277. 10:40:20.389 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  13278. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  13279. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  13280. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13281. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13282. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13283. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13284. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13285. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13286. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13287. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13288. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13289. at java.lang.Thread.run(Thread.java:748)
  13290. 10:40:21.597 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  13291. 10:40:21.608 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  13292. 10:40:21.614 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 3.134 seconds (JVM running for 101.092)
  13293. 10:40:21.615 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  13294. 10:40:21.674 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd7d closed
  13295. 10:40:21.674 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd7d
  13296. 10:40:21.689 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  13297. 10:40:21.720 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  13298. 10:40:21.731 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  13299. 10:40:21.731 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@21957db
  13300. 10:40:21.731 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  13301. 10:40:21.731 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  13302. 10:40:21.731 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  13303. 10:40:21.898 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:62967, server: 101.37.175.111/101.37.175.111:2181
  13304. 10:40:22.081 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd7e, negotiated timeout = 40000
  13305. 10:40:22.081 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  13306. 10:40:25.397 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  13307. 10:40:25.398 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  13308. java.net.ConnectException: Connection refused (Connection refused)
  13309. at java.net.PlainSocketImpl.socketConnect(Native Method)
  13310. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  13311. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  13312. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  13313. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  13314. at java.net.Socket.connect(Socket.java:589)
  13315. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  13316. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  13317. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  13318. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  13319. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  13320. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  13321. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  13322. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  13323. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  13324. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  13325. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  13326. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  13327. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  13328. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  13329. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  13330. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13331. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13332. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13333. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13334. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13335. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13336. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13337. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13338. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13339. at java.lang.Thread.run(Thread.java:748)
  13340. 10:40:25.398 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  13341. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  13342. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  13343. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  13344. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13345. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13346. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13347. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13348. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13349. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13350. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13351. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13352. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13353. at java.lang.Thread.run(Thread.java:748)
  13354. 10:40:25.399 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  13355. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  13356. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  13357. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13358. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13359. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13360. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13361. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13362. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13363. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13364. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13365. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13366. at java.lang.Thread.run(Thread.java:748)
  13367. 10:40:27.744 [http-nio-8090-exec-2] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  13368. java.lang.NullPointerException: null
  13369. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  13370. at edu.nju.service.RecommendService.recommandByDes(RecommendService.java:214)
  13371. at edu.nju.controller.RecommendController.recommend(RecommendController.java:151)
  13372. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  13373. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  13374. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  13375. at java.lang.reflect.Method.invoke(Method.java:498)
  13376. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  13377. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  13378. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  13379. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  13380. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  13381. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  13382. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  13383. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  13384. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  13385. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  13386. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  13387. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  13388. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  13389. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  13390. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13391. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  13392. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13393. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13394. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  13395. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13396. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13397. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13398. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  13399. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13400. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13401. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13402. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  13403. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13404. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13405. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13406. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  13407. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13408. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13409. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13410. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  13411. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13412. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13413. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13414. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  13415. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  13416. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  13417. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  13418. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  13419. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  13420. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  13421. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  13422. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  13423. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  13424. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  13425. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  13426. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13427. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13428. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  13429. at java.lang.Thread.run(Thread.java:748)
  13430. 10:40:29.141 [http-nio-8090-exec-3] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  13431. java.lang.NullPointerException: null
  13432. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  13433. at edu.nju.service.RecommendService.recommandByDes(RecommendService.java:214)
  13434. at edu.nju.controller.RecommendController.recommend(RecommendController.java:151)
  13435. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  13436. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  13437. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  13438. at java.lang.reflect.Method.invoke(Method.java:498)
  13439. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  13440. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  13441. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  13442. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  13443. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  13444. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  13445. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  13446. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  13447. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  13448. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  13449. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  13450. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  13451. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  13452. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  13453. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13454. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  13455. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13456. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13457. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  13458. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13459. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13460. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13461. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  13462. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13463. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13464. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13465. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  13466. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13467. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13468. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13469. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  13470. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13471. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13472. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13473. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  13474. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13475. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13476. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13477. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  13478. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  13479. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  13480. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  13481. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  13482. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  13483. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  13484. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  13485. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  13486. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  13487. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  13488. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  13489. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13490. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13491. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  13492. at java.lang.Thread.run(Thread.java:748)
  13493. 10:40:30.233 [http-nio-8090-exec-4] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  13494. java.lang.NullPointerException: null
  13495. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  13496. at edu.nju.service.RecommendService.recommandByTitle(RecommendService.java:202)
  13497. at edu.nju.controller.RecommendController.recommend(RecommendController.java:150)
  13498. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  13499. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  13500. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  13501. at java.lang.reflect.Method.invoke(Method.java:498)
  13502. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  13503. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  13504. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  13505. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  13506. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  13507. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  13508. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  13509. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  13510. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  13511. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  13512. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  13513. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  13514. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  13515. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  13516. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13517. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  13518. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13519. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13520. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  13521. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13522. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13523. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13524. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  13525. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13526. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13527. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13528. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  13529. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13530. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13531. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13532. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  13533. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13534. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13535. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13536. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  13537. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13538. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13539. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13540. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  13541. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  13542. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  13543. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  13544. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  13545. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  13546. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  13547. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  13548. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  13549. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  13550. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  13551. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  13552. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13553. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13554. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  13555. at java.lang.Thread.run(Thread.java:748)
  13556. 10:40:30.404 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  13557. 10:40:30.404 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  13558. java.net.ConnectException: Connection refused (Connection refused)
  13559. at java.net.PlainSocketImpl.socketConnect(Native Method)
  13560. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  13561. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  13562. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  13563. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  13564. at java.net.Socket.connect(Socket.java:589)
  13565. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  13566. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  13567. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  13568. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  13569. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  13570. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  13571. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  13572. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  13573. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  13574. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  13575. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  13576. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  13577. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  13578. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  13579. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  13580. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13581. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13582. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13583. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13584. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13585. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13586. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13587. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13588. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13589. at java.lang.Thread.run(Thread.java:748)
  13590. 10:40:30.405 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  13591. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  13592. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  13593. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  13594. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13595. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13596. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13597. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13598. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13599. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13600. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13601. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13602. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13603. at java.lang.Thread.run(Thread.java:748)
  13604. 10:40:30.405 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  13605. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  13606. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  13607. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13608. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13609. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13610. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13611. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13612. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13613. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13614. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13615. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13616. at java.lang.Thread.run(Thread.java:748)
  13617. 10:40:33.234 [http-nio-8090-exec-5] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  13618. java.lang.NullPointerException: null
  13619. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  13620. at edu.nju.service.RecommendService.recommandByTitle(RecommendService.java:202)
  13621. at edu.nju.controller.RecommendController.recommend(RecommendController.java:150)
  13622. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  13623. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  13624. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  13625. at java.lang.reflect.Method.invoke(Method.java:498)
  13626. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  13627. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  13628. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  13629. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  13630. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  13631. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  13632. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  13633. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  13634. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  13635. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  13636. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  13637. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  13638. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  13639. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  13640. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13641. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  13642. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13643. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13644. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  13645. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13646. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13647. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13648. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  13649. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13650. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13651. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13652. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  13653. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13654. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13655. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13656. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  13657. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13658. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13659. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13660. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  13661. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13662. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13663. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13664. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  13665. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  13666. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  13667. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  13668. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  13669. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  13670. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  13671. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  13672. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  13673. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  13674. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  13675. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  13676. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13677. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13678. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  13679. at java.lang.Thread.run(Thread.java:748)
  13680. 10:40:34.733 [http-nio-8090-exec-6] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  13681. java.lang.NullPointerException: null
  13682. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  13683. at edu.nju.service.RecommendService.recommandByTitle(RecommendService.java:202)
  13684. at edu.nju.controller.RecommendController.recommend(RecommendController.java:150)
  13685. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  13686. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  13687. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  13688. at java.lang.reflect.Method.invoke(Method.java:498)
  13689. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  13690. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  13691. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  13692. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  13693. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  13694. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  13695. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  13696. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  13697. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  13698. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  13699. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  13700. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  13701. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  13702. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  13703. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13704. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  13705. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13706. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13707. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  13708. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13709. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13710. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13711. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  13712. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13713. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13714. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13715. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  13716. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13717. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13718. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13719. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  13720. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13721. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13722. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13723. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  13724. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13725. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13726. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13727. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  13728. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  13729. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  13730. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  13731. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  13732. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  13733. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  13734. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  13735. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  13736. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  13737. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  13738. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  13739. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13740. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13741. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  13742. at java.lang.Thread.run(Thread.java:748)
  13743. 10:40:35.124 [http-nio-8090-exec-7] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  13744. java.lang.NullPointerException: null
  13745. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  13746. at edu.nju.service.RecommendService.recommandByTitle(RecommendService.java:202)
  13747. at edu.nju.controller.RecommendController.recommend(RecommendController.java:150)
  13748. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  13749. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  13750. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  13751. at java.lang.reflect.Method.invoke(Method.java:498)
  13752. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  13753. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  13754. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  13755. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  13756. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  13757. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  13758. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  13759. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  13760. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  13761. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  13762. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  13763. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  13764. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  13765. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  13766. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13767. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  13768. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13769. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13770. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  13771. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13772. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13773. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13774. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  13775. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13776. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13777. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13778. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  13779. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13780. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13781. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13782. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  13783. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13784. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13785. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13786. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  13787. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  13788. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  13789. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  13790. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  13791. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  13792. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  13793. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  13794. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  13795. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  13796. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  13797. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  13798. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  13799. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  13800. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  13801. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  13802. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13803. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13804. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  13805. at java.lang.Thread.run(Thread.java:748)
  13806. 10:40:35.409 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  13807. 10:40:35.409 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  13808. java.net.ConnectException: Connection refused (Connection refused)
  13809. at java.net.PlainSocketImpl.socketConnect(Native Method)
  13810. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  13811. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  13812. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  13813. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  13814. at java.net.Socket.connect(Socket.java:589)
  13815. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  13816. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  13817. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  13818. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  13819. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  13820. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  13821. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  13822. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  13823. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  13824. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  13825. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  13826. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  13827. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  13828. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  13829. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  13830. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13831. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13832. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13833. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13834. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13835. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13836. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13837. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13838. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13839. at java.lang.Thread.run(Thread.java:748)
  13840. 10:40:35.410 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  13841. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  13842. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  13843. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  13844. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13845. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13846. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13847. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13848. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13849. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13850. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13851. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13852. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13853. at java.lang.Thread.run(Thread.java:748)
  13854. 10:40:35.410 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  13855. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  13856. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  13857. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13858. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13859. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13860. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13861. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13862. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13863. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13864. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13865. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13866. at java.lang.Thread.run(Thread.java:748)
  13867. 10:40:40.411 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  13868. 10:40:40.411 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  13869. java.net.ConnectException: Connection refused (Connection refused)
  13870. at java.net.PlainSocketImpl.socketConnect(Native Method)
  13871. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  13872. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  13873. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  13874. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  13875. at java.net.Socket.connect(Socket.java:589)
  13876. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  13877. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  13878. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  13879. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  13880. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  13881. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  13882. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  13883. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  13884. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  13885. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  13886. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  13887. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  13888. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  13889. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  13890. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  13891. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13892. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13893. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13894. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13895. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13896. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13897. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13898. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13899. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13900. at java.lang.Thread.run(Thread.java:748)
  13901. 10:40:40.411 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  13902. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  13903. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  13904. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  13905. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13906. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13907. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13908. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13909. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13910. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13911. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13912. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13913. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13914. at java.lang.Thread.run(Thread.java:748)
  13915. 10:40:40.412 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  13916. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  13917. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  13918. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13919. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13920. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13921. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13922. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13923. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13924. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13925. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13926. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13927. at java.lang.Thread.run(Thread.java:748)
  13928. 10:40:45.418 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  13929. 10:40:45.418 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  13930. java.net.ConnectException: Connection refused (Connection refused)
  13931. at java.net.PlainSocketImpl.socketConnect(Native Method)
  13932. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  13933. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  13934. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  13935. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  13936. at java.net.Socket.connect(Socket.java:589)
  13937. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  13938. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  13939. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  13940. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  13941. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  13942. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  13943. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  13944. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  13945. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  13946. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  13947. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  13948. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  13949. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  13950. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  13951. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  13952. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13953. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13954. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13955. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13956. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13957. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13958. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13959. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13960. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13961. at java.lang.Thread.run(Thread.java:748)
  13962. 10:40:45.418 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  13963. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  13964. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  13965. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  13966. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13967. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13968. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13969. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13970. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13971. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13972. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13973. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13974. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13975. at java.lang.Thread.run(Thread.java:748)
  13976. 10:40:45.418 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  13977. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  13978. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  13979. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  13980. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  13981. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  13982. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  13983. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  13984. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  13985. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  13986. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  13987. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  13988. at java.lang.Thread.run(Thread.java:748)
  13989. 10:40:46.025 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  13990. 10:40:46.177 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  13991. 10:40:46.183 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 24.493 seconds (JVM running for 125.661)
  13992. 10:40:46.183 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  13993. 10:40:47.153 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd7e closed
  13994. 10:40:47.153 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd7e
  13995. 10:40:47.169 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  13996. 10:40:47.200 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  13997. 10:40:47.211 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  13998. 10:40:47.211 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@318495da
  13999. 10:40:47.211 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  14000. 10:40:47.212 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  14001. 10:40:47.212 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  14002. 10:40:49.145 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:63140, server: 101.37.175.111/101.37.175.111:2181
  14003. 10:40:49.863 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd7f, negotiated timeout = 40000
  14004. 10:40:49.864 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  14005. 10:40:50.422 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14006. 10:40:50.422 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14007. java.net.ConnectException: Connection refused (Connection refused)
  14008. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14009. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14010. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14011. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14012. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14013. at java.net.Socket.connect(Socket.java:589)
  14014. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14015. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14016. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14017. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14018. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14019. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14020. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14021. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14022. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14023. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14024. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14025. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14026. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14027. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14028. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14029. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14030. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14031. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14032. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14033. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14034. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14035. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14036. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14037. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14038. at java.lang.Thread.run(Thread.java:748)
  14039. 10:40:50.423 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14040. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14041. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14042. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14043. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14044. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14045. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14046. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14047. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14048. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14049. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14050. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14051. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14052. at java.lang.Thread.run(Thread.java:748)
  14053. 10:40:50.423 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14054. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14055. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14056. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14057. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14058. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14059. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14060. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14061. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14062. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14063. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14064. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14065. at java.lang.Thread.run(Thread.java:748)
  14066. 10:40:55.428 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14067. 10:40:55.428 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14068. java.net.ConnectException: Connection refused (Connection refused)
  14069. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14070. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14071. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14072. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14073. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14074. at java.net.Socket.connect(Socket.java:589)
  14075. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14076. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14077. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14078. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14079. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14080. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14081. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14082. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14083. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14084. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14085. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14086. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14087. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14088. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14089. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14090. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14091. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14092. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14093. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14094. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14095. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14096. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14097. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14098. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14099. at java.lang.Thread.run(Thread.java:748)
  14100. 10:40:55.429 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14101. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14102. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14103. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14104. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14105. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14106. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14107. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14108. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14109. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14110. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14111. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14112. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14113. at java.lang.Thread.run(Thread.java:748)
  14114. 10:40:55.429 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14115. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14116. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14117. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14118. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14119. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14120. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14121. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14122. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14123. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14124. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14125. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14126. at java.lang.Thread.run(Thread.java:748)
  14127. 10:41:00.431 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14128. 10:41:00.433 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14129. java.net.ConnectException: Connection refused (Connection refused)
  14130. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14131. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14132. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14133. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14134. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14135. at java.net.Socket.connect(Socket.java:589)
  14136. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14137. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14138. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14139. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14140. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14141. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14142. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14143. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14144. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14145. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14146. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14147. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14148. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14149. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14150. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14151. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14152. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14153. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14154. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14155. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14156. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14157. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14158. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14159. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14160. at java.lang.Thread.run(Thread.java:748)
  14161. 10:41:00.433 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14162. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14163. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14164. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14165. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14166. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14167. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14168. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14169. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14170. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14171. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14172. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14173. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14174. at java.lang.Thread.run(Thread.java:748)
  14175. 10:41:00.434 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14176. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14177. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14178. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14179. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14180. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14181. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14182. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14183. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14184. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14185. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14186. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14187. at java.lang.Thread.run(Thread.java:748)
  14188. 10:41:05.438 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14189. 10:41:05.439 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14190. java.net.ConnectException: Connection refused (Connection refused)
  14191. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14192. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14193. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14194. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14195. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14196. at java.net.Socket.connect(Socket.java:589)
  14197. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14198. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14199. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14200. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14201. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14202. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14203. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14204. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14205. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14206. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14207. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14208. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14209. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14210. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14211. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14212. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14213. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14214. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14215. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14216. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14217. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14218. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14219. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14220. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14221. at java.lang.Thread.run(Thread.java:748)
  14222. 10:41:05.439 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14223. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14224. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14225. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14226. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14227. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14228. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14229. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14230. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14231. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14232. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14233. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14234. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14235. at java.lang.Thread.run(Thread.java:748)
  14236. 10:41:05.439 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14237. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14238. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14239. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14240. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14241. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14242. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14243. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14244. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14245. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14246. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14247. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14248. at java.lang.Thread.run(Thread.java:748)
  14249. 10:41:10.443 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14250. 10:41:10.443 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14251. java.net.ConnectException: Connection refused (Connection refused)
  14252. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14253. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14254. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14255. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14256. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14257. at java.net.Socket.connect(Socket.java:589)
  14258. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14259. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14260. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14261. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14262. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14263. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14264. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14265. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14266. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14267. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14268. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14269. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14270. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14271. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14272. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14273. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14274. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14275. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14276. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14277. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14278. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14279. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14280. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14281. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14282. at java.lang.Thread.run(Thread.java:748)
  14283. 10:41:10.444 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14284. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14285. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14286. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14287. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14288. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14289. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14290. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14291. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14292. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14293. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14294. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14295. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14296. at java.lang.Thread.run(Thread.java:748)
  14297. 10:41:10.444 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14298. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14299. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14300. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14301. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14302. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14303. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14304. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14305. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14306. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14307. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14308. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14309. at java.lang.Thread.run(Thread.java:748)
  14310. 10:41:13.756 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  14311. 10:41:13.769 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  14312. 10:41:13.776 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 26.607 seconds (JVM running for 153.254)
  14313. 10:41:13.776 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  14314. 10:41:14.129 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd7f closed
  14315. 10:41:14.129 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd7f
  14316. 10:41:14.145 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  14317. 10:41:14.180 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  14318. 10:41:14.190 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  14319. 10:41:14.190 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@6c60fa47
  14320. 10:41:14.190 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  14321. 10:41:14.190 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  14322. 10:41:14.190 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  14323. 10:41:15.446 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14324. 10:41:15.446 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14325. java.net.ConnectException: Connection refused (Connection refused)
  14326. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14327. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14328. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14329. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14330. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14331. at java.net.Socket.connect(Socket.java:589)
  14332. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14333. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14334. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14335. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14336. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14337. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14338. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14339. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14340. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14341. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14342. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14343. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14344. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14345. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14346. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14347. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14348. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14349. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14350. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14351. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14352. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14353. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14354. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14355. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14356. at java.lang.Thread.run(Thread.java:748)
  14357. 10:41:15.446 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14358. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14359. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14360. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14361. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14362. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14363. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14364. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14365. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14366. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14367. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14368. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14369. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14370. at java.lang.Thread.run(Thread.java:748)
  14371. 10:41:15.446 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14372. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14373. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14374. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14375. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14376. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14377. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14378. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14379. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14380. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14381. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14382. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14383. at java.lang.Thread.run(Thread.java:748)
  14384. 10:41:15.605 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:63320, server: 101.37.175.111/101.37.175.111:2181
  14385. 10:41:17.534 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd80, negotiated timeout = 40000
  14386. 10:41:17.534 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  14387. 10:41:20.451 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14388. 10:41:20.452 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14389. java.net.ConnectException: Connection refused (Connection refused)
  14390. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14391. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14392. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14393. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14394. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14395. at java.net.Socket.connect(Socket.java:589)
  14396. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14397. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14398. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14399. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14400. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14401. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14402. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14403. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14404. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14405. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14406. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14407. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14408. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14409. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14410. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14411. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14412. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14413. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14414. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14415. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14416. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14417. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14418. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14419. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14420. at java.lang.Thread.run(Thread.java:748)
  14421. 10:41:20.452 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14422. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14423. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14424. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14425. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14426. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14427. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14428. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14429. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14430. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14431. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14432. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14433. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14434. at java.lang.Thread.run(Thread.java:748)
  14435. 10:41:20.452 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14436. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14437. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14438. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14439. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14440. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14441. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14442. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14443. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14444. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14445. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14446. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14447. at java.lang.Thread.run(Thread.java:748)
  14448. 10:41:25.456 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14449. 10:41:25.456 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14450. java.net.ConnectException: Connection refused (Connection refused)
  14451. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14452. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14453. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14454. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14455. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14456. at java.net.Socket.connect(Socket.java:589)
  14457. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14458. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14459. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14460. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14461. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14462. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14463. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14464. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14465. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14466. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14467. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14468. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14469. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14470. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14471. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14472. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14473. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14474. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14475. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14476. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14477. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14478. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14479. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14480. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14481. at java.lang.Thread.run(Thread.java:748)
  14482. 10:41:25.456 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14483. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14484. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14485. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14486. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14487. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14488. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14489. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14490. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14491. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14492. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14493. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14494. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14495. at java.lang.Thread.run(Thread.java:748)
  14496. 10:41:25.456 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14497. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14498. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14499. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14500. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14501. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14502. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14503. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14504. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14505. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14506. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14507. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14508. at java.lang.Thread.run(Thread.java:748)
  14509. 10:41:30.460 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14510. 10:41:30.461 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14511. java.net.ConnectException: Connection refused (Connection refused)
  14512. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14513. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14514. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14515. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14516. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14517. at java.net.Socket.connect(Socket.java:589)
  14518. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14519. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14520. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14521. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14522. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14523. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14524. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14525. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14526. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14527. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14528. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14529. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14530. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14531. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14532. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14533. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14534. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14535. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14536. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14537. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14538. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14539. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14540. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14541. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14542. at java.lang.Thread.run(Thread.java:748)
  14543. 10:41:30.461 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14544. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14545. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14546. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14547. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14548. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14549. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14550. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14551. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14552. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14553. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14554. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14555. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14556. at java.lang.Thread.run(Thread.java:748)
  14557. 10:41:30.461 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14558. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14559. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14560. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14561. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14562. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14563. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14564. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14565. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14566. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14567. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14568. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14569. at java.lang.Thread.run(Thread.java:748)
  14570. 10:41:35.462 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14571. 10:41:35.463 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14572. java.net.ConnectException: Connection refused (Connection refused)
  14573. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14574. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14575. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14576. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14577. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14578. at java.net.Socket.connect(Socket.java:589)
  14579. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14580. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14581. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14582. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14583. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14584. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14585. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14586. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14587. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14588. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14589. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14590. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14591. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14592. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14593. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14594. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14595. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14596. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14597. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14598. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14599. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14600. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14601. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14602. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14603. at java.lang.Thread.run(Thread.java:748)
  14604. 10:41:35.463 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14605. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14606. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14607. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14608. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14609. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14610. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14611. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14612. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14613. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14614. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14615. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14616. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14617. at java.lang.Thread.run(Thread.java:748)
  14618. 10:41:35.463 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14619. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14620. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14621. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14622. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14623. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14624. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14625. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14626. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14627. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14628. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14629. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14630. at java.lang.Thread.run(Thread.java:748)
  14631. 10:41:37.388 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  14632. 10:41:37.398 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  14633. 10:41:37.406 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 23.26 seconds (JVM running for 176.884)
  14634. 10:41:37.407 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  14635. 10:41:37.612 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd80 closed
  14636. 10:41:37.612 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd80
  14637. 10:41:37.627 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  14638. 10:41:37.662 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  14639. 10:41:37.673 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  14640. 10:41:37.673 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@31823927
  14641. 10:41:37.673 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  14642. 10:41:37.674 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  14643. 10:41:37.674 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  14644. 10:41:38.232 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:63481, server: 101.37.175.111/101.37.175.111:2181
  14645. 10:41:39.700 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd81, negotiated timeout = 40000
  14646. 10:41:39.700 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  14647. 10:41:40.465 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14648. 10:41:40.465 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14649. java.net.ConnectException: Connection refused (Connection refused)
  14650. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14651. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14652. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14653. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14654. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14655. at java.net.Socket.connect(Socket.java:589)
  14656. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14657. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14658. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14659. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14660. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14661. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14662. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14663. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14664. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14665. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14666. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14667. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14668. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14669. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14670. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14671. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14672. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14673. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14674. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14675. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14676. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14677. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14678. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14679. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14680. at java.lang.Thread.run(Thread.java:748)
  14681. 10:41:40.466 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14682. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14683. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14684. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14685. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14686. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14687. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14688. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14689. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14690. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14691. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14692. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14693. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14694. at java.lang.Thread.run(Thread.java:748)
  14695. 10:41:40.466 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14696. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14697. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14698. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14699. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14700. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14701. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14702. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14703. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14704. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14705. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14706. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14707. at java.lang.Thread.run(Thread.java:748)
  14708. 10:41:45.471 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14709. 10:41:45.472 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14710. java.net.ConnectException: Connection refused (Connection refused)
  14711. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14712. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14713. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14714. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14715. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14716. at java.net.Socket.connect(Socket.java:589)
  14717. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14718. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14719. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14720. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14721. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14722. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14723. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14724. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14725. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14726. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14727. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14728. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14729. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14730. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14731. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14732. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14733. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14734. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14735. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14736. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14737. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14738. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14739. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14740. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14741. at java.lang.Thread.run(Thread.java:748)
  14742. 10:41:45.472 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14743. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14744. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14745. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14746. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14747. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14748. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14749. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14750. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14751. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14752. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14753. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14754. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14755. at java.lang.Thread.run(Thread.java:748)
  14756. 10:41:45.472 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14757. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14758. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14759. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14760. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14761. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14762. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14763. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14764. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14765. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14766. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14767. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14768. at java.lang.Thread.run(Thread.java:748)
  14769. 10:41:50.477 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14770. 10:41:50.477 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14771. java.net.ConnectException: Connection refused (Connection refused)
  14772. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14773. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14774. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14775. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14776. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14777. at java.net.Socket.connect(Socket.java:589)
  14778. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14779. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14780. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14781. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14782. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14783. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14784. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14785. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14786. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14787. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14788. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14789. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14790. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14791. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14792. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14793. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14794. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14795. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14796. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14797. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14798. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14799. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14800. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14801. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14802. at java.lang.Thread.run(Thread.java:748)
  14803. 10:41:50.479 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14804. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14805. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14806. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14807. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14808. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14809. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14810. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14811. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14812. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14813. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14814. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14815. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14816. at java.lang.Thread.run(Thread.java:748)
  14817. 10:41:50.479 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14818. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14819. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14820. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14821. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14822. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14823. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14824. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14825. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14826. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14827. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14828. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14829. at java.lang.Thread.run(Thread.java:748)
  14830. 10:41:55.483 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14831. 10:41:55.484 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14832. java.net.ConnectException: Connection refused (Connection refused)
  14833. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14834. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14835. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14836. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14837. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14838. at java.net.Socket.connect(Socket.java:589)
  14839. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14840. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14841. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14842. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14843. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14844. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14845. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14846. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14847. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14848. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14849. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14850. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14851. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14852. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14853. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14854. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14855. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14856. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14857. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14858. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14859. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14860. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14861. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14862. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14863. at java.lang.Thread.run(Thread.java:748)
  14864. 10:41:55.484 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14865. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14866. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14867. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14868. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14869. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14870. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14871. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14872. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14873. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14874. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14875. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14876. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14877. at java.lang.Thread.run(Thread.java:748)
  14878. 10:41:55.484 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14879. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14880. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14881. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14882. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14883. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14884. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14885. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14886. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14887. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14888. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14889. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14890. at java.lang.Thread.run(Thread.java:748)
  14891. 10:42:00.485 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14892. 10:42:00.485 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14893. java.net.ConnectException: Connection refused (Connection refused)
  14894. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14895. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14896. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14897. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14898. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14899. at java.net.Socket.connect(Socket.java:589)
  14900. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14901. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14902. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14903. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14904. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14905. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14906. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14907. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14908. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14909. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14910. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14911. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14912. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14913. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14914. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14915. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14916. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14917. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14918. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14919. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14920. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14921. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14922. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14923. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14924. at java.lang.Thread.run(Thread.java:748)
  14925. 10:42:00.485 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14926. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14927. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14928. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14929. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14930. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14931. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14932. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14933. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14934. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14935. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14936. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14937. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14938. at java.lang.Thread.run(Thread.java:748)
  14939. 10:42:00.486 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  14940. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14941. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  14942. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14943. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14944. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14945. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14946. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14947. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14948. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14949. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14950. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14951. at java.lang.Thread.run(Thread.java:748)
  14952. 10:42:05.491 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  14953. 10:42:05.491 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  14954. java.net.ConnectException: Connection refused (Connection refused)
  14955. at java.net.PlainSocketImpl.socketConnect(Native Method)
  14956. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  14957. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  14958. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  14959. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  14960. at java.net.Socket.connect(Socket.java:589)
  14961. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  14962. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  14963. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  14964. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  14965. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  14966. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  14967. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  14968. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  14969. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  14970. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  14971. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  14972. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  14973. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  14974. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  14975. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14976. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14977. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14978. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14979. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14980. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14981. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14982. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14983. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14984. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14985. at java.lang.Thread.run(Thread.java:748)
  14986. 10:42:05.492 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  14987. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  14988. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  14989. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  14990. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  14991. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  14992. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  14993. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  14994. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  14995. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  14996. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  14997. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  14998. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  14999. at java.lang.Thread.run(Thread.java:748)
  15000. 10:42:05.492 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15001. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15002. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15003. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15004. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15005. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15006. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15007. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15008. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15009. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15010. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15011. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15012. at java.lang.Thread.run(Thread.java:748)
  15013. 10:42:09.925 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  15014. 10:42:09.936 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  15015. 10:42:09.942 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 32.314 seconds (JVM running for 209.42)
  15016. 10:42:09.943 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  15017. 10:42:10.494 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15018. 10:42:10.494 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15019. java.net.ConnectException: Connection refused (Connection refused)
  15020. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15021. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15022. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15023. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15024. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15025. at java.net.Socket.connect(Socket.java:589)
  15026. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15027. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15028. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15029. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15030. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15031. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15032. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15033. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15034. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15035. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15036. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15037. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15038. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15039. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15040. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15041. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15042. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15043. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15044. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15045. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15046. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15047. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15048. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15049. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15050. at java.lang.Thread.run(Thread.java:748)
  15051. 10:42:10.494 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15052. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15053. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15054. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15055. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15056. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15057. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15058. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15059. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15060. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15061. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15062. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15063. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15064. at java.lang.Thread.run(Thread.java:748)
  15065. 10:42:10.494 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15066. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15067. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15068. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15069. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15070. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15071. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15072. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15073. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15074. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15075. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15076. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15077. at java.lang.Thread.run(Thread.java:748)
  15078. 10:42:11.954 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd81 closed
  15079. 10:42:11.954 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd81
  15080. 10:42:11.969 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  15081. 10:42:12.003 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  15082. 10:42:12.014 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  15083. 10:42:12.014 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@59053694
  15084. 10:42:12.014 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  15085. 10:42:12.015 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  15086. 10:42:12.015 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  15087. 10:42:12.454 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:63719, server: 101.37.175.111/101.37.175.111:2181
  15088. 10:42:12.509 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd82, negotiated timeout = 40000
  15089. 10:42:12.509 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  15090. 10:42:15.500 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15091. 10:42:15.500 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15092. java.net.ConnectException: Connection refused (Connection refused)
  15093. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15094. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15095. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15096. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15097. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15098. at java.net.Socket.connect(Socket.java:589)
  15099. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15100. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15101. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15102. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15103. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15104. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15105. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15106. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15107. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15108. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15109. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15110. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15111. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15112. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15113. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15114. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15115. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15116. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15117. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15118. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15119. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15120. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15121. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15122. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15123. at java.lang.Thread.run(Thread.java:748)
  15124. 10:42:15.500 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15125. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15126. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15127. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15128. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15129. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15130. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15131. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15132. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15133. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15134. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15135. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15136. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15137. at java.lang.Thread.run(Thread.java:748)
  15138. 10:42:15.500 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15139. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15140. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15141. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15142. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15143. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15144. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15145. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15146. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15147. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15148. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15149. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15150. at java.lang.Thread.run(Thread.java:748)
  15151. 10:42:20.506 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15152. 10:42:20.506 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15153. java.net.ConnectException: Connection refused (Connection refused)
  15154. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15155. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15156. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15157. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15158. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15159. at java.net.Socket.connect(Socket.java:589)
  15160. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15161. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15162. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15163. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15164. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15165. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15166. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15167. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15168. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15169. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15170. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15171. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15172. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15173. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15174. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15175. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15176. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15177. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15178. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15179. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15180. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15181. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15182. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15183. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15184. at java.lang.Thread.run(Thread.java:748)
  15185. 10:42:20.506 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15186. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15187. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15188. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15189. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15190. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15191. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15192. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15193. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15194. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15195. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15196. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15197. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15198. at java.lang.Thread.run(Thread.java:748)
  15199. 10:42:20.507 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15200. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15201. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15202. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15203. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15204. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15205. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15206. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15207. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15208. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15209. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15210. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15211. at java.lang.Thread.run(Thread.java:748)
  15212. 10:42:25.508 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15213. 10:42:25.508 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15214. java.net.ConnectException: Connection refused (Connection refused)
  15215. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15216. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15217. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15218. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15219. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15220. at java.net.Socket.connect(Socket.java:589)
  15221. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15222. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15223. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15224. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15225. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15226. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15227. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15228. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15229. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15230. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15231. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15232. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15233. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15234. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15235. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15236. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15237. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15238. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15239. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15240. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15241. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15242. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15243. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15244. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15245. at java.lang.Thread.run(Thread.java:748)
  15246. 10:42:25.508 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15247. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15248. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15249. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15250. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15251. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15252. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15253. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15254. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15255. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15256. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15257. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15258. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15259. at java.lang.Thread.run(Thread.java:748)
  15260. 10:42:25.508 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15261. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15262. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15263. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15264. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15265. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15266. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15267. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15268. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15269. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15270. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15271. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15272. at java.lang.Thread.run(Thread.java:748)
  15273. 10:42:30.514 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15274. 10:42:30.514 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15275. java.net.ConnectException: Connection refused (Connection refused)
  15276. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15277. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15278. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15279. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15280. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15281. at java.net.Socket.connect(Socket.java:589)
  15282. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15283. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15284. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15285. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15286. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15287. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15288. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15289. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15290. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15291. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15292. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15293. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15294. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15295. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15296. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15297. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15298. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15299. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15300. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15301. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15302. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15303. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15304. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15305. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15306. at java.lang.Thread.run(Thread.java:748)
  15307. 10:42:30.515 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15308. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15309. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15310. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15311. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15312. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15313. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15314. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15315. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15316. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15317. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15318. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15319. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15320. at java.lang.Thread.run(Thread.java:748)
  15321. 10:42:30.515 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15322. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15323. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15324. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15325. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15326. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15327. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15328. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15329. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15330. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15331. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15332. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15333. at java.lang.Thread.run(Thread.java:748)
  15334. 10:42:35.520 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15335. 10:42:35.521 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15336. java.net.ConnectException: Connection refused (Connection refused)
  15337. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15338. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15339. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15340. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15341. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15342. at java.net.Socket.connect(Socket.java:589)
  15343. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15344. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15345. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15346. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15347. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15348. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15349. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15350. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15351. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15352. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15353. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15354. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15355. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15356. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15357. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15358. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15359. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15360. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15361. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15362. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15363. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15364. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15365. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15366. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15367. at java.lang.Thread.run(Thread.java:748)
  15368. 10:42:35.521 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15369. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15370. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15371. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15372. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15373. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15374. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15375. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15376. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15377. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15378. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15379. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15380. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15381. at java.lang.Thread.run(Thread.java:748)
  15382. 10:42:35.521 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15383. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15384. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15385. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15386. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15387. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15388. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15389. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15390. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15391. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15392. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15393. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15394. at java.lang.Thread.run(Thread.java:748)
  15395. 10:42:40.524 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15396. 10:42:40.525 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15397. java.net.ConnectException: Connection refused (Connection refused)
  15398. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15399. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15400. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15401. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15402. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15403. at java.net.Socket.connect(Socket.java:589)
  15404. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15405. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15406. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15407. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15408. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15409. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15410. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15411. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15412. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15413. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15414. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15415. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15416. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15417. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15418. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15419. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15420. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15421. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15422. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15423. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15424. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15425. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15426. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15427. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15428. at java.lang.Thread.run(Thread.java:748)
  15429. 10:42:40.525 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15430. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15431. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15432. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15433. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15434. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15435. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15436. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15437. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15438. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15439. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15440. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15441. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15442. at java.lang.Thread.run(Thread.java:748)
  15443. 10:42:40.525 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15444. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15445. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15446. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15447. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15448. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15449. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15450. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15451. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15452. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15453. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15454. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15455. at java.lang.Thread.run(Thread.java:748)
  15456. 10:42:43.038 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  15457. 10:42:43.068 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  15458. 10:42:43.076 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 31.106 seconds (JVM running for 242.554)
  15459. 10:42:43.095 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  15460. 10:42:43.295 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd82 closed
  15461. 10:42:43.295 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd82
  15462. 10:42:43.306 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  15463. 10:42:43.338 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  15464. 10:42:43.348 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  15465. 10:42:43.348 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@7aef94e4
  15466. 10:42:43.348 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  15467. 10:42:43.349 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  15468. 10:42:43.349 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  15469. 10:42:43.788 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:63931, server: 101.37.175.111/101.37.175.111:2181
  15470. 10:42:45.529 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15471. 10:42:45.529 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15472. java.net.ConnectException: Connection refused (Connection refused)
  15473. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15474. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15475. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15476. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15477. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15478. at java.net.Socket.connect(Socket.java:589)
  15479. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15480. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15481. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15482. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15483. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15484. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15485. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15486. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15487. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15488. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15489. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15490. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15491. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15492. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15493. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15494. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15495. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15496. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15497. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15498. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15499. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15500. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15501. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15502. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15503. at java.lang.Thread.run(Thread.java:748)
  15504. 10:42:45.529 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15505. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15506. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15507. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15508. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15509. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15510. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15511. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15512. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15513. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15514. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15515. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15516. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15517. at java.lang.Thread.run(Thread.java:748)
  15518. 10:42:45.530 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15519. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15520. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15521. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15522. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15523. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15524. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15525. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15526. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15527. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15528. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15529. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15530. at java.lang.Thread.run(Thread.java:748)
  15531. 10:42:45.760 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd83, negotiated timeout = 40000
  15532. 10:42:45.760 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  15533. 10:42:50.534 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15534. 10:42:50.534 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15535. java.net.ConnectException: Connection refused (Connection refused)
  15536. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15537. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15538. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15539. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15540. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15541. at java.net.Socket.connect(Socket.java:589)
  15542. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15543. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15544. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15545. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15546. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15547. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15548. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15549. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15550. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15551. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15552. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15553. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15554. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15555. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15556. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15557. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15558. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15559. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15560. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15561. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15562. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15563. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15564. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15565. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15566. at java.lang.Thread.run(Thread.java:748)
  15567. 10:42:50.535 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15568. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15569. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15570. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15571. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15572. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15573. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15574. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15575. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15576. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15577. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15578. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15579. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15580. at java.lang.Thread.run(Thread.java:748)
  15581. 10:42:50.535 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15582. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15583. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15584. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15585. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15586. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15587. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15588. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15589. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15590. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15591. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15592. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15593. at java.lang.Thread.run(Thread.java:748)
  15594. 10:42:55.539 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15595. 10:42:55.540 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15596. java.net.ConnectException: Connection refused (Connection refused)
  15597. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15598. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15599. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15600. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15601. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15602. at java.net.Socket.connect(Socket.java:589)
  15603. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15604. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15605. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15606. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15607. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15608. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15609. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15610. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15611. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15612. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15613. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15614. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15615. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15616. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15617. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15618. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15619. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15620. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15621. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15622. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15623. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15624. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15625. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15626. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15627. at java.lang.Thread.run(Thread.java:748)
  15628. 10:42:55.540 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15629. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15630. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15631. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15632. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15633. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15634. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15635. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15636. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15637. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15638. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15639. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15640. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15641. at java.lang.Thread.run(Thread.java:748)
  15642. 10:42:55.540 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15643. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15644. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15645. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15646. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15647. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15648. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15649. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15650. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15651. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15652. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15653. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15654. at java.lang.Thread.run(Thread.java:748)
  15655. 10:43:00.545 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15656. 10:43:00.545 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15657. java.net.ConnectException: Connection refused (Connection refused)
  15658. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15659. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15660. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15661. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15662. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15663. at java.net.Socket.connect(Socket.java:589)
  15664. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15665. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15666. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15667. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15668. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15669. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15670. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15671. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15672. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15673. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15674. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15675. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15676. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15677. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15678. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15679. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15680. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15681. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15682. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15683. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15684. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15685. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15686. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15687. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15688. at java.lang.Thread.run(Thread.java:748)
  15689. 10:43:00.545 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15690. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15691. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15692. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15693. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15694. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15695. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15696. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15697. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15698. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15699. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15700. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15701. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15702. at java.lang.Thread.run(Thread.java:748)
  15703. 10:43:00.545 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15704. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15705. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15706. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15707. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15708. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15709. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15710. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15711. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15712. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15713. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15714. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15715. at java.lang.Thread.run(Thread.java:748)
  15716. 10:43:05.550 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15717. 10:43:05.551 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15718. java.net.ConnectException: Connection refused (Connection refused)
  15719. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15720. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15721. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15722. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15723. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15724. at java.net.Socket.connect(Socket.java:589)
  15725. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15726. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15727. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15728. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15729. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15730. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15731. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15732. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15733. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15734. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15735. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15736. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15737. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15738. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15739. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15740. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15741. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15742. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15743. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15744. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15745. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15746. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15747. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15748. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15749. at java.lang.Thread.run(Thread.java:748)
  15750. 10:43:05.551 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15751. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15752. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15753. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15754. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15755. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15756. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15757. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15758. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15759. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15760. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15761. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15762. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15763. at java.lang.Thread.run(Thread.java:748)
  15764. 10:43:05.551 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15765. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15766. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15767. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15768. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15769. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15770. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15771. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15772. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15773. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15774. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15775. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15776. at java.lang.Thread.run(Thread.java:748)
  15777. 10:43:09.923 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  15778. 10:43:09.935 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  15779. 10:43:09.941 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 26.634 seconds (JVM running for 269.419)
  15780. 10:43:09.942 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  15781. 10:43:10.556 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15782. 10:43:10.556 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15783. java.net.ConnectException: Connection refused (Connection refused)
  15784. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15785. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15786. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15787. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15788. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15789. at java.net.Socket.connect(Socket.java:589)
  15790. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15791. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15792. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15793. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15794. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15795. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15796. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15797. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15798. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15799. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15800. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15801. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15802. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15803. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15804. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15805. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15806. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15807. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15808. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15809. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15810. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15811. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15812. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15813. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15814. at java.lang.Thread.run(Thread.java:748)
  15815. 10:43:10.556 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15816. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15817. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15818. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15819. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15820. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15821. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15822. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15823. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15824. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15825. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15826. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15827. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15828. at java.lang.Thread.run(Thread.java:748)
  15829. 10:43:10.556 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15830. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15831. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15832. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15833. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15834. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15835. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15836. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15837. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15838. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15839. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15840. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15841. at java.lang.Thread.run(Thread.java:748)
  15842. 10:43:11.629 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd83 closed
  15843. 10:43:11.629 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd83
  15844. 10:43:11.643 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  15845. 10:43:11.674 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  15846. 10:43:11.685 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  15847. 10:43:11.685 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@40cb285d
  15848. 10:43:11.685 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  15849. 10:43:11.686 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  15850. 10:43:11.686 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  15851. 10:43:12.505 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:64119, server: 101.37.175.111/101.37.175.111:2181
  15852. 10:43:14.489 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd85, negotiated timeout = 40000
  15853. 10:43:14.489 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  15854. 10:43:15.558 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  15855. 10:43:15.558 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  15856. java.net.ConnectException: Connection refused (Connection refused)
  15857. at java.net.PlainSocketImpl.socketConnect(Native Method)
  15858. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  15859. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  15860. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  15861. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  15862. at java.net.Socket.connect(Socket.java:589)
  15863. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  15864. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  15865. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  15866. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  15867. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  15868. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  15869. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  15870. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  15871. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  15872. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  15873. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  15874. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  15875. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  15876. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  15877. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15878. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15879. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15880. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15881. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15882. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15883. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15884. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15885. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15886. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15887. at java.lang.Thread.run(Thread.java:748)
  15888. 10:43:15.558 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  15889. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15890. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  15891. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  15892. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15893. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15894. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15895. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15896. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15897. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15898. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15899. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15900. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15901. at java.lang.Thread.run(Thread.java:748)
  15902. 10:43:15.559 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  15903. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  15904. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  15905. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  15906. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  15907. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  15908. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  15909. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  15910. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  15911. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  15912. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15913. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15914. at java.lang.Thread.run(Thread.java:748)
  15915. 10:43:17.735 [http-nio-8090-exec-8] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  15916. java.lang.NullPointerException: null
  15917. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  15918. at edu.nju.service.RecommendService.recommandByDes(RecommendService.java:214)
  15919. at edu.nju.controller.RecommendController.recommend(RecommendController.java:151)
  15920. at sun.reflect.GeneratedMethodAccessor133.invoke(Unknown Source)
  15921. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  15922. at java.lang.reflect.Method.invoke(Method.java:498)
  15923. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  15924. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  15925. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  15926. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  15927. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  15928. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  15929. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  15930. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  15931. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  15932. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  15933. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  15934. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  15935. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  15936. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  15937. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  15938. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  15939. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  15940. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  15941. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  15942. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  15943. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  15944. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  15945. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  15946. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  15947. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  15948. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  15949. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  15950. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  15951. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  15952. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  15953. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  15954. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  15955. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  15956. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  15957. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  15958. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  15959. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  15960. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  15961. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  15962. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  15963. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  15964. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  15965. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  15966. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  15967. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  15968. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  15969. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  15970. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  15971. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  15972. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  15973. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  15974. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  15975. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  15976. at java.lang.Thread.run(Thread.java:748)
  15977. 10:43:19.566 [http-nio-8090-exec-9] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/Bug/api] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
  15978. java.lang.NullPointerException: null
  15979. at edu.nju.service.RecommendService.count(RecommendService.java:350)
  15980. at edu.nju.service.RecommendService.recommandByDes(RecommendService.java:214)
  15981. at edu.nju.controller.RecommendController.recommend(RecommendController.java:151)
  15982. at sun.reflect.GeneratedMethodAccessor133.invoke(Unknown Source)
  15983. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  15984. at java.lang.reflect.Method.invoke(Method.java:498)
  15985. at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
  15986. at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
  15987. at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
  15988. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)
  15989. at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)
  15990. at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
  15991. at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
  15992. at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
  15993. at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
  15994. at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
  15995. at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
  15996. at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
  15997. at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
  15998. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
  15999. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  16000. at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
  16001. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  16002. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  16003. at edu.nju.configuration.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:24)
  16004. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  16005. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  16006. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  16007. at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
  16008. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  16009. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  16010. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  16011. at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
  16012. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  16013. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  16014. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  16015. at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
  16016. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  16017. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  16018. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  16019. at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
  16020. at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  16021. at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
  16022. at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
  16023. at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
  16024. at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
  16025. at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
  16026. at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
  16027. at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
  16028. at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
  16029. at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
  16030. at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
  16031. at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  16032. at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
  16033. at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
  16034. at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  16035. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16036. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16037. at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  16038. at java.lang.Thread.run(Thread.java:748)
  16039. 10:43:20.561 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16040. 10:43:20.561 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16041. java.net.ConnectException: Connection refused (Connection refused)
  16042. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16043. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16044. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16045. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16046. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16047. at java.net.Socket.connect(Socket.java:589)
  16048. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16049. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16050. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16051. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16052. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16053. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16054. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16055. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16056. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16057. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16058. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16059. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16060. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16061. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16062. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16063. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16064. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16065. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16066. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16067. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16068. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16069. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16070. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16071. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16072. at java.lang.Thread.run(Thread.java:748)
  16073. 10:43:20.561 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16074. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16075. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16076. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16077. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16078. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16079. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16080. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16081. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16082. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16083. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16084. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16085. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16086. at java.lang.Thread.run(Thread.java:748)
  16087. 10:43:20.561 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16088. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16089. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16090. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16091. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16092. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16093. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16094. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16095. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16096. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16097. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16098. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16099. at java.lang.Thread.run(Thread.java:748)
  16100. 10:43:25.565 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16101. 10:43:25.566 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16102. java.net.ConnectException: Connection refused (Connection refused)
  16103. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16104. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16105. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16106. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16107. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16108. at java.net.Socket.connect(Socket.java:589)
  16109. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16110. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16111. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16112. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16113. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16114. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16115. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16116. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16117. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16118. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16119. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16120. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16121. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16122. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16123. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16124. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16125. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16126. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16127. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16128. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16129. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16130. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16131. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16132. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16133. at java.lang.Thread.run(Thread.java:748)
  16134. 10:43:25.566 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16135. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16136. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16137. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16138. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16139. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16140. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16141. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16142. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16143. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16144. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16145. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16146. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16147. at java.lang.Thread.run(Thread.java:748)
  16148. 10:43:25.566 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16149. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16150. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16151. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16152. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16153. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16154. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16155. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16156. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16157. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16158. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16159. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16160. at java.lang.Thread.run(Thread.java:748)
  16161. 10:43:30.570 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16162. 10:43:30.570 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16163. java.net.ConnectException: Connection refused (Connection refused)
  16164. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16165. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16166. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16167. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16168. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16169. at java.net.Socket.connect(Socket.java:589)
  16170. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16171. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16172. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16173. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16174. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16175. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16176. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16177. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16178. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16179. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16180. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16181. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16182. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16183. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16184. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16185. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16186. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16187. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16188. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16189. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16190. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16191. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16192. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16193. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16194. at java.lang.Thread.run(Thread.java:748)
  16195. 10:43:30.571 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16196. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16197. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16198. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16199. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16200. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16201. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16202. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16203. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16204. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16205. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16206. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16207. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16208. at java.lang.Thread.run(Thread.java:748)
  16209. 10:43:30.571 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16210. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16211. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16212. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16213. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16214. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16215. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16216. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16217. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16218. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16219. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16220. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16221. at java.lang.Thread.run(Thread.java:748)
  16222. 10:43:35.574 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16223. 10:43:35.575 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16224. java.net.ConnectException: Connection refused (Connection refused)
  16225. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16226. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16227. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16228. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16229. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16230. at java.net.Socket.connect(Socket.java:589)
  16231. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16232. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16233. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16234. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16235. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16236. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16237. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16238. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16239. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16240. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16241. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16242. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16243. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16244. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16245. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16246. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16247. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16248. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16249. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16250. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16251. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16252. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16253. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16254. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16255. at java.lang.Thread.run(Thread.java:748)
  16256. 10:43:35.575 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16257. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16258. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16259. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16260. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16261. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16262. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16263. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16264. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16265. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16266. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16267. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16268. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16269. at java.lang.Thread.run(Thread.java:748)
  16270. 10:43:35.575 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16271. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16272. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16273. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16274. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16275. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16276. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16277. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16278. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16279. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16280. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16281. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16282. at java.lang.Thread.run(Thread.java:748)
  16283. 10:43:40.577 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16284. 10:43:40.577 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16285. java.net.ConnectException: Connection refused (Connection refused)
  16286. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16287. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16288. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16289. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16290. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16291. at java.net.Socket.connect(Socket.java:589)
  16292. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16293. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16294. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16295. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16296. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16297. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16298. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16299. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16300. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16301. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16302. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16303. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16304. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16305. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16306. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16307. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16308. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16309. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16310. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16311. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16312. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16313. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16314. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16315. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16316. at java.lang.Thread.run(Thread.java:748)
  16317. 10:43:40.577 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16318. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16319. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16320. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16321. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16322. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16323. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16324. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16325. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16326. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16327. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16328. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16329. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16330. at java.lang.Thread.run(Thread.java:748)
  16331. 10:43:40.577 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16332. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16333. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16334. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16335. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16336. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16337. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16338. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16339. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16340. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16341. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16342. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16343. at java.lang.Thread.run(Thread.java:748)
  16344. 10:43:42.668 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  16345. 10:43:42.679 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  16346. 10:43:42.686 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 31.042 seconds (JVM running for 302.163)
  16347. 10:43:42.686 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  16348. 10:43:44.566 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd85 closed
  16349. 10:43:44.566 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd85
  16350. 10:43:44.580 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  16351. 10:43:44.611 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  16352. 10:43:44.621 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  16353. 10:43:44.621 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@7528fcc0
  16354. 10:43:44.621 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  16355. 10:43:44.622 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  16356. 10:43:44.622 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  16357. 10:43:44.685 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:64324, server: 101.37.175.111/101.37.175.111:2181
  16358. 10:43:44.758 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd86, negotiated timeout = 40000
  16359. 10:43:44.759 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  16360. 10:43:45.581 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16361. 10:43:45.582 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16362. java.net.ConnectException: Connection refused (Connection refused)
  16363. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16364. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16365. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16366. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16367. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16368. at java.net.Socket.connect(Socket.java:589)
  16369. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16370. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16371. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16372. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16373. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16374. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16375. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16376. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16377. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16378. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16379. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16380. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16381. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16382. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16383. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16384. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16385. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16386. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16387. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16388. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16389. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16390. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16391. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16392. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16393. at java.lang.Thread.run(Thread.java:748)
  16394. 10:43:45.582 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16395. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16396. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16397. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16398. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16399. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16400. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16401. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16402. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16403. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16404. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16405. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16406. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16407. at java.lang.Thread.run(Thread.java:748)
  16408. 10:43:45.582 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16409. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16410. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16411. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16412. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16413. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16414. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16415. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16416. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16417. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16418. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16419. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16420. at java.lang.Thread.run(Thread.java:748)
  16421. 10:43:50.587 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16422. 10:43:50.588 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16423. java.net.ConnectException: Connection refused (Connection refused)
  16424. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16425. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16426. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16427. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16428. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16429. at java.net.Socket.connect(Socket.java:589)
  16430. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16431. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16432. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16433. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16434. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16435. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16436. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16437. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16438. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16439. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16440. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16441. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16442. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16443. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16444. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16445. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16446. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16447. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16448. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16449. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16450. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16451. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16452. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16453. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16454. at java.lang.Thread.run(Thread.java:748)
  16455. 10:43:50.588 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16456. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16457. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16458. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16459. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16460. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16461. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16462. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16463. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16464. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16465. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16466. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16467. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16468. at java.lang.Thread.run(Thread.java:748)
  16469. 10:43:50.588 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16470. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16471. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16472. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16473. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16474. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16475. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16476. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16477. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16478. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16479. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16480. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16481. at java.lang.Thread.run(Thread.java:748)
  16482. 10:43:55.596 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16483. 10:43:55.597 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16484. java.net.ConnectException: Connection refused (Connection refused)
  16485. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16486. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16487. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16488. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16489. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16490. at java.net.Socket.connect(Socket.java:589)
  16491. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16492. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16493. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16494. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16495. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16496. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16497. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16498. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16499. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16500. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16501. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16502. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16503. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16504. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16505. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16506. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16507. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16508. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16509. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16510. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16511. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16512. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16513. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16514. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16515. at java.lang.Thread.run(Thread.java:748)
  16516. 10:43:55.598 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16517. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16518. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16519. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16520. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16521. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16522. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16523. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16524. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16525. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16526. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16527. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16528. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16529. at java.lang.Thread.run(Thread.java:748)
  16530. 10:43:55.599 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16531. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16532. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16533. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16534. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16535. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16536. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16537. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16538. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16539. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16540. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16541. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16542. at java.lang.Thread.run(Thread.java:748)
  16543. 10:44:00.602 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16544. 10:44:00.603 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16545. java.net.ConnectException: Connection refused (Connection refused)
  16546. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16547. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16548. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16549. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16550. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16551. at java.net.Socket.connect(Socket.java:589)
  16552. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16553. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16554. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16555. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16556. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16557. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16558. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16559. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16560. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16561. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16562. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16563. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16564. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16565. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16566. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16567. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16568. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16569. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16570. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16571. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16572. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16573. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16574. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16575. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16576. at java.lang.Thread.run(Thread.java:748)
  16577. 10:44:00.603 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16578. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16579. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16580. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16581. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16582. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16583. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16584. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16585. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16586. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16587. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16588. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16589. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16590. at java.lang.Thread.run(Thread.java:748)
  16591. 10:44:00.603 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16592. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16593. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16594. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16595. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16596. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16597. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16598. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16599. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16600. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16601. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16602. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16603. at java.lang.Thread.run(Thread.java:748)
  16604. 10:44:05.608 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16605. 10:44:05.608 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16606. java.net.ConnectException: Connection refused (Connection refused)
  16607. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16608. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16609. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16610. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16611. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16612. at java.net.Socket.connect(Socket.java:589)
  16613. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16614. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16615. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16616. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16617. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16618. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16619. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16620. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16621. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16622. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16623. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16624. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16625. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16626. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16627. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16628. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16629. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16630. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16631. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16632. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16633. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16634. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16635. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16636. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16637. at java.lang.Thread.run(Thread.java:748)
  16638. 10:44:05.608 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16639. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16640. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16641. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16642. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16643. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16644. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16645. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16646. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16647. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16648. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16649. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16650. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16651. at java.lang.Thread.run(Thread.java:748)
  16652. 10:44:05.609 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16653. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16654. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16655. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16656. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16657. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16658. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16659. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16660. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16661. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16662. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16663. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16664. at java.lang.Thread.run(Thread.java:748)
  16665. 10:44:10.568 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  16666. 10:44:10.579 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  16667. 10:44:10.586 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 26.006 seconds (JVM running for 330.064)
  16668. 10:44:10.586 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  16669. 10:44:10.613 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16670. 10:44:10.613 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16671. java.net.ConnectException: Connection refused (Connection refused)
  16672. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16673. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16674. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16675. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16676. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16677. at java.net.Socket.connect(Socket.java:589)
  16678. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16679. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16680. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16681. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16682. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16683. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16684. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16685. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16686. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16687. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16688. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16689. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16690. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16691. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16692. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16693. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16694. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16695. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16696. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16697. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16698. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16699. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16700. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16701. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16702. at java.lang.Thread.run(Thread.java:748)
  16703. 10:44:10.613 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16704. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16705. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16706. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16707. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16708. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16709. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16710. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16711. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16712. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16713. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16714. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16715. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16716. at java.lang.Thread.run(Thread.java:748)
  16717. 10:44:10.613 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16718. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16719. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16720. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16721. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16722. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16723. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16724. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16725. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16726. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16727. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16728. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16729. at java.lang.Thread.run(Thread.java:748)
  16730. 10:44:10.653 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd86 closed
  16731. 10:44:10.653 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd86
  16732. 10:44:10.667 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  16733. 10:44:10.699 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$cd8138a8] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  16734. 10:44:10.710 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  16735. 10:44:10.710 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@1cfca1cc
  16736. 10:44:10.711 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  16737. 10:44:10.711 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  16738. 10:44:10.711 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  16739. 10:44:10.862 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:64499, server: 101.37.175.111/101.37.175.111:2181
  16740. 10:44:11.187 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd87, negotiated timeout = 40000
  16741. 10:44:11.188 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  16742. 10:44:15.618 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16743. 10:44:15.618 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16744. java.net.ConnectException: Connection refused (Connection refused)
  16745. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16746. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16747. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16748. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16749. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16750. at java.net.Socket.connect(Socket.java:589)
  16751. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16752. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16753. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16754. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16755. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16756. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16757. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16758. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16759. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16760. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16761. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16762. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16763. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16764. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16765. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16766. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16767. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16768. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16769. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16770. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16771. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16772. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16773. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16774. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16775. at java.lang.Thread.run(Thread.java:748)
  16776. 10:44:15.618 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16777. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16778. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16779. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16780. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16781. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16782. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16783. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16784. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16785. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16786. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16787. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16788. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16789. at java.lang.Thread.run(Thread.java:748)
  16790. 10:44:15.618 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16791. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16792. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16793. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16794. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16795. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16796. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16797. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16798. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16799. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16800. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16801. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16802. at java.lang.Thread.run(Thread.java:748)
  16803. 10:44:20.622 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16804. 10:44:20.623 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16805. java.net.ConnectException: Connection refused (Connection refused)
  16806. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16807. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16808. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16809. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16810. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16811. at java.net.Socket.connect(Socket.java:589)
  16812. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16813. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16814. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16815. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16816. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16817. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16818. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16819. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16820. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16821. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16822. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16823. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16824. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16825. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16826. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16827. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16828. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16829. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16830. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16831. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16832. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16833. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16834. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16835. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16836. at java.lang.Thread.run(Thread.java:748)
  16837. 10:44:20.623 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16838. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16839. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16840. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16841. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16842. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16843. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16844. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16845. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16846. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16847. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16848. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16849. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16850. at java.lang.Thread.run(Thread.java:748)
  16851. 10:44:20.623 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16852. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16853. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16854. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16855. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16856. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16857. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16858. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16859. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16860. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16861. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16862. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16863. at java.lang.Thread.run(Thread.java:748)
  16864. 10:44:25.627 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16865. 10:44:25.627 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16866. java.net.ConnectException: Connection refused (Connection refused)
  16867. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16868. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16869. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16870. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16871. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16872. at java.net.Socket.connect(Socket.java:589)
  16873. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16874. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16875. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16876. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16877. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16878. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16879. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16880. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16881. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16882. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16883. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16884. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16885. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16886. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16887. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16888. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16889. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16890. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16891. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16892. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16893. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16894. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16895. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16896. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16897. at java.lang.Thread.run(Thread.java:748)
  16898. 10:44:25.627 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16899. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16900. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16901. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16902. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16903. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16904. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16905. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16906. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16907. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16908. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16909. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16910. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16911. at java.lang.Thread.run(Thread.java:748)
  16912. 10:44:25.627 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16913. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16914. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16915. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16916. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16917. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16918. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16919. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16920. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16921. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16922. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16923. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16924. at java.lang.Thread.run(Thread.java:748)
  16925. 10:44:30.632 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16926. 10:44:30.632 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16927. java.net.ConnectException: Connection refused (Connection refused)
  16928. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16929. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16930. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16931. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16932. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16933. at java.net.Socket.connect(Socket.java:589)
  16934. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16935. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16936. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16937. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16938. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  16939. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  16940. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  16941. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  16942. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  16943. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  16944. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  16945. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  16946. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  16947. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  16948. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16949. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16950. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16951. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16952. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16953. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16954. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16955. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16956. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16957. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16958. at java.lang.Thread.run(Thread.java:748)
  16959. 10:44:30.632 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  16960. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16961. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  16962. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  16963. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16964. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16965. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16966. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16967. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16968. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16969. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16970. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16971. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16972. at java.lang.Thread.run(Thread.java:748)
  16973. 10:44:30.632 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  16974. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  16975. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  16976. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  16977. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  16978. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  16979. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  16980. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  16981. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  16982. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  16983. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  16984. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  16985. at java.lang.Thread.run(Thread.java:748)
  16986. 10:44:35.634 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  16987. 10:44:35.634 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  16988. java.net.ConnectException: Connection refused (Connection refused)
  16989. at java.net.PlainSocketImpl.socketConnect(Native Method)
  16990. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  16991. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  16992. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  16993. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  16994. at java.net.Socket.connect(Socket.java:589)
  16995. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  16996. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  16997. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  16998. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  16999. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  17000. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  17001. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  17002. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  17003. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  17004. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  17005. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  17006. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  17007. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  17008. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  17009. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  17010. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17011. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17012. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17013. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17014. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17015. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17016. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17017. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17018. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17019. at java.lang.Thread.run(Thread.java:748)
  17020. 10:44:35.634 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  17021. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17022. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  17023. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  17024. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17025. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17026. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17027. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17028. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17029. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17030. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17031. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17032. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17033. at java.lang.Thread.run(Thread.java:748)
  17034. 10:44:35.634 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  17035. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17036. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17037. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17038. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17039. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17040. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17041. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17042. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17043. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17044. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17045. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17046. at java.lang.Thread.run(Thread.java:748)
  17047. 10:44:40.639 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  17048. 10:44:40.640 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  17049. java.net.ConnectException: Connection refused (Connection refused)
  17050. at java.net.PlainSocketImpl.socketConnect(Native Method)
  17051. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  17052. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  17053. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  17054. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  17055. at java.net.Socket.connect(Socket.java:589)
  17056. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  17057. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  17058. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  17059. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  17060. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  17061. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  17062. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  17063. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  17064. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  17065. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  17066. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  17067. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  17068. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  17069. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  17070. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  17071. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17072. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17073. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17074. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17075. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17076. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17077. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17078. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17079. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17080. at java.lang.Thread.run(Thread.java:748)
  17081. 10:44:40.640 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  17082. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17083. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  17084. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  17085. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17086. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17087. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17088. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17089. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17090. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17091. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17092. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17093. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17094. at java.lang.Thread.run(Thread.java:748)
  17095. 10:44:40.641 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  17096. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17097. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17098. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17099. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17100. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17101. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17102. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17103. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17104. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17105. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17106. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17107. at java.lang.Thread.run(Thread.java:748)
  17108. 10:44:43.873 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  17109. 10:44:43.900 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - The following profiles are active: dev
  17110. 10:44:43.922 [Curator-TreeCache-0] INFO o.s.boot.SpringApplication - Started application in 33.254 seconds (JVM running for 363.4)
  17111. 10:44:43.923 [Curator-Framework-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - backgroundOperationsLoop exiting
  17112. 10:44:44.429 [Curator-TreeCache-0-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd87
  17113. 10:44:44.429 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Session: 0x17559ef9a3fcd87 closed
  17114. 10:44:44.457 [Curator-TreeCache-0] INFO o.s.c.e.event.RefreshEventListener - Refresh keys changed: []
  17115. 10:44:45.647 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  17116. 10:44:45.647 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  17117. java.net.ConnectException: Connection refused (Connection refused)
  17118. at java.net.PlainSocketImpl.socketConnect(Native Method)
  17119. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  17120. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  17121. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  17122. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  17123. at java.net.Socket.connect(Socket.java:589)
  17124. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  17125. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  17126. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  17127. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  17128. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  17129. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  17130. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  17131. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  17132. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  17133. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  17134. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  17135. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  17136. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  17137. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  17138. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  17139. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17140. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17141. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17142. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17143. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17144. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17145. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17146. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17147. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17148. at java.lang.Thread.run(Thread.java:748)
  17149. 10:44:45.648 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  17150. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17151. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  17152. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  17153. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17154. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17155. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17156. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17157. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17158. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17159. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17160. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17161. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17162. at java.lang.Thread.run(Thread.java:748)
  17163. 10:44:45.648 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  17164. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17165. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17166. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17167. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17168. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17169. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17170. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17171. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17172. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17173. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17174. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17175. at java.lang.Thread.run(Thread.java:748)
  17176. 10:44:50.652 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  17177. 10:44:50.652 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  17178. java.net.ConnectException: Connection refused (Connection refused)
  17179. at java.net.PlainSocketImpl.socketConnect(Native Method)
  17180. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  17181. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  17182. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  17183. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  17184. at java.net.Socket.connect(Socket.java:589)
  17185. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  17186. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  17187. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  17188. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  17189. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  17190. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  17191. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  17192. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  17193. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  17194. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  17195. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  17196. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  17197. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  17198. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  17199. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  17200. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17201. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17202. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17203. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17204. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17205. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17206. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17207. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17208. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17209. at java.lang.Thread.run(Thread.java:748)
  17210. 10:44:50.652 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  17211. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17212. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  17213. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  17214. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17215. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17216. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17217. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17218. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17219. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17220. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17221. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17222. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17223. at java.lang.Thread.run(Thread.java:748)
  17224. 10:44:50.652 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  17225. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17226. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17227. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17228. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17229. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17230. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17231. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17232. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17233. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17234. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17235. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17236. at java.lang.Thread.run(Thread.java:748)
  17237. 10:44:55.657 [com.alibaba.nacos.naming.beat.sender] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance/beat?beat=%7B%22cluster%22%3A%22DEFAULT%22%2C%22ip%22%3A%22192.168.43.121%22%2C%22metadata%22%3A%7B%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D%2C%22period%22%3A5000%2C%22port%22%3A8090%2C%22scheduled%22%3Afalse%2C%22serviceName%22%3A%22DEFAULT_GROUP%40%40mooctest-crowdsource-backend%22%2C%22stopped%22%3Afalse%2C%22weight%22%3A1.0%7D&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8&namespaceId=public from 127.0.0.1
  17238. 10:44:55.657 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  17239. java.net.ConnectException: Connection refused (Connection refused)
  17240. at java.net.PlainSocketImpl.socketConnect(Native Method)
  17241. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  17242. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  17243. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  17244. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  17245. at java.net.Socket.connect(Socket.java:589)
  17246. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  17247. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  17248. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  17249. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  17250. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  17251. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  17252. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  17253. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  17254. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  17255. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  17256. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
  17257. at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
  17258. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:85)
  17259. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  17260. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  17261. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17262. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17263. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17264. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17265. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17266. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17267. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17268. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17269. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17270. at java.lang.Thread.run(Thread.java:748)
  17271. 10:44:55.657 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  17272. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17273. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  17274. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  17275. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17276. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17277. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17278. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17279. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17280. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17281. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17282. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17283. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17284. at java.lang.Thread.run(Thread.java:748)
  17285. 10:44:55.658 [com.alibaba.nacos.naming.beat.sender] ERROR com.alibaba.nacos.client.naming - [CLIENT-BEAT] failed to send beat: {"cluster":"DEFAULT","ip":"192.168.43.121","metadata":{"preserved.register.source":"SPRING_CLOUD"},"period":5000,"port":8090,"scheduled":false,"serviceName":"DEFAULT_GROUP@@mooctest-crowdsource-backend","stopped":false,"weight":1.0}
  17286. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance/beat after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance/beat. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17287. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17288. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17289. at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:309)
  17290. at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:92)
  17291. at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  17292. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  17293. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  17294. at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  17295. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  17296. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  17297. at java.lang.Thread.run(Thread.java:748)
  17298. 10:45:00.550 [Thread-29] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  17299. 10:45:00.550 [Thread-29] INFO com.alibaba.nacos.client.naming - [BEAT] removing beat: DEFAULT_GROUP@@mooctest-crowdsource-backend:192.168.43.121:8090 from beat map.
  17300. 10:45:00.550 [Thread-29] INFO com.alibaba.nacos.client.naming - [DEREGISTER-SERVICE] public deregistering service DEFAULT_GROUP@@mooctest-crowdsource-backend with instance: {"clusterName":"DEFAULT","enabled":true,"ephemeral":true,"healthy":true,"instanceHeartBeatInterval":5000,"instanceHeartBeatTimeOut":15000,"ip":"192.168.43.121","ipDeleteTimeout":30000,"metadata":{},"port":8090,"weight":1.0}
  17301. 10:45:00.551 [Thread-29] WARN com.alibaba.nacos.client.naming - failed to request http://127.0.0.1:8848/nacos/v1/ns/instance?namespaceId=public&port=8090&clusterName=DEFAULT&ip=192.168.43.121&ephemeral=true&serviceName=DEFAULT_GROUP%40%40mooctest-crowdsource-backend&encoding=UTF-8 from 127.0.0.1
  17302. 10:45:00.551 [Thread-29] ERROR com.alibaba.nacos.client.naming - [NA] failed to request
  17303. java.net.ConnectException: Connection refused (Connection refused)
  17304. at java.net.PlainSocketImpl.socketConnect(Native Method)
  17305. at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
  17306. at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
  17307. at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
  17308. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  17309. at java.net.Socket.connect(Socket.java:589)
  17310. at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
  17311. at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
  17312. at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
  17313. at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
  17314. at sun.net.www.http.HttpClient.New(HttpClient.java:339)
  17315. at sun.net.www.http.HttpClient.New(HttpClient.java:357)
  17316. at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
  17317. at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
  17318. at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
  17319. at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
  17320. at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:89)
  17321. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:410)
  17322. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  17323. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17324. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  17325. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  17326. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  17327. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  17328. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  17329. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  17330. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  17331. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  17332. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  17333. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  17334. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  17335. at java.lang.reflect.Method.invoke(Method.java:498)
  17336. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  17337. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  17338. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  17339. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  17340. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  17341. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  17342. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  17343. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  17344. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  17345. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  17346. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  17347. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  17348. 10:45:00.551 [Thread-29] ERROR com.alibaba.nacos.client.naming - request 127.0.0.1:8848 failed.
  17349. com.alibaba.nacos.api.exception.NacosException: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17350. at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:424)
  17351. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:451)
  17352. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17353. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  17354. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  17355. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  17356. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  17357. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  17358. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  17359. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  17360. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  17361. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  17362. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  17363. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  17364. at java.lang.reflect.Method.invoke(Method.java:498)
  17365. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  17366. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  17367. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  17368. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  17369. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  17370. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  17371. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  17372. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  17373. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  17374. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  17375. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  17376. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  17377. 10:45:00.551 [Thread-29] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  17378. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17379. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17380. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17381. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  17382. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  17383. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  17384. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  17385. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  17386. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  17387. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  17388. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  17389. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  17390. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  17391. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  17392. at java.lang.reflect.Method.invoke(Method.java:498)
  17393. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  17394. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  17395. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  17396. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  17397. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  17398. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  17399. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  17400. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  17401. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  17402. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  17403. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  17404. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  17405. 10:45:00.551 [Thread-29] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  17406. 10:45:00.552 [Thread-29] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  17407. 10:45:00.557 [Thread-29] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:134}] to localhost:27017 because the pool has been closed.
  17408. 10:45:09.121 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$a7d53975] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  17409. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  17410. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  17411. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  17412. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  17413. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  17414. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  17415. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  17416. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  17417. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  17418. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  17419. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  17420. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  17421. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  17422. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  17423. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  17424. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=325MB
  17425. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  17426. 10:45:09.285 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=508MB
  17427. 10:45:09.305 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  17428. 10:45:09.308 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@398474a2
  17429. 10:45:09.317 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  17430. 10:45:09.325 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  17431. 10:45:09.411 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  17432. 10:45:10.420 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:64899, server: 101.37.175.111/101.37.175.111:2181
  17433. 10:45:10.485 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd88, negotiated timeout = 40000
  17434. 10:45:10.490 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  17435. 10:45:39.244 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  17436. 10:45:39.263 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  17437. 10:45:39.679 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  17438. 10:45:39.698 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 17ms. Found 0 repository interfaces.
  17439. 10:45:39.816 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  17440. 10:45:39.948 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$a7d53975] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  17441. 10:45:40.164 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  17442. 10:45:40.186 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  17443. 10:45:40.186 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  17444. 10:45:40.291 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  17445. 10:45:40.291 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 1021 ms
  17446. 10:45:40.512 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  17447. 10:45:40.551 [cluster-ClusterId{value='608b6f546adc04a1fa828e19', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:135}] to localhost:27017
  17448. 10:45:40.555 [cluster-ClusterId{value='608b6f546adc04a1fa828e19', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=2444859}
  17449. 10:45:40.892 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:136}] to localhost:27017
  17450. 10:45:41.103 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  17451. 10:45:41.103 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  17452. 10:45:41.106 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  17453. 10:45:41.106 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  17454. 10:45:41.232 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  17455. 10:45:41.371 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  17456. 10:45:41.586 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  17457. 10:45:41.812 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  17458. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17459. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17460. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17461. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  17462. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  17463. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  17464. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  17465. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  17466. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  17467. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  17468. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  17469. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  17470. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  17471. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  17472. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  17473. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  17474. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  17475. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  17476. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  17477. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  17478. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  17479. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  17480. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  17481. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  17482. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  17483. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  17484. at edu.nju.BugApplication.main(BugApplication.java:31)
  17485. 10:45:41.814 [main] INFO edu.nju.BugApplication - Started BugApplication in 33.146 seconds (JVM running for 37.176)
  17486. 10:47:05.220 [Thread-84] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  17487. 10:47:05.222 [Thread-84] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  17488. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17489. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17490. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17491. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  17492. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  17493. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  17494. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  17495. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  17496. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  17497. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  17498. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  17499. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  17500. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  17501. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  17502. at java.lang.reflect.Method.invoke(Method.java:498)
  17503. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  17504. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  17505. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  17506. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  17507. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  17508. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  17509. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  17510. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  17511. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  17512. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  17513. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  17514. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  17515. 10:47:05.222 [Thread-84] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  17516. 10:47:05.222 [Thread-84] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  17517. 10:47:05.229 [Thread-84] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:136}] to localhost:27017 because the pool has been closed.
  17518. 10:47:14.727 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$71172201] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  17519. 10:47:14.859 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  17520. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  17521. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  17522. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  17523. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  17524. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  17525. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  17526. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  17527. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  17528. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  17529. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  17530. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  17531. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  17532. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  17533. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  17534. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=174MB
  17535. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  17536. 10:47:14.860 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=346MB
  17537. 10:47:14.878 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  17538. 10:47:14.882 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@4e628b52
  17539. 10:47:14.895 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  17540. 10:47:14.953 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  17541. 10:47:14.958 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  17542. 10:47:15.049 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:49372, server: 101.37.175.111/101.37.175.111:2181
  17543. 10:47:15.117 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd89, negotiated timeout = 40000
  17544. 10:47:15.122 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  17545. 10:47:18.031 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  17546. 10:47:18.055 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  17547. 10:47:18.547 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  17548. 10:47:18.566 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 17ms. Found 0 repository interfaces.
  17549. 10:47:18.699 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  17550. 10:47:18.825 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$71172201] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  17551. 10:47:19.012 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  17552. 10:47:19.030 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  17553. 10:47:19.030 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  17554. 10:47:19.127 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  17555. 10:47:19.127 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 1064 ms
  17556. 10:47:19.336 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  17557. 10:47:19.369 [cluster-ClusterId{value='608b6fb76adc04a242770fb4', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:137}] to localhost:27017
  17558. 10:47:19.373 [cluster-ClusterId{value='608b6fb76adc04a242770fb4', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=2053682}
  17559. 10:47:19.589 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:138}] to localhost:27017
  17560. 10:47:19.812 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  17561. 10:47:19.812 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  17562. 10:47:19.815 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  17563. 10:47:19.815 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  17564. 10:47:19.949 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  17565. 10:47:20.082 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  17566. 10:47:20.300 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  17567. 10:47:20.437 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  17568. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17569. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17570. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17571. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  17572. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  17573. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  17574. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  17575. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  17576. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  17577. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  17578. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  17579. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  17580. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  17581. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  17582. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  17583. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  17584. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  17585. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  17586. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  17587. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  17588. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  17589. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  17590. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  17591. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  17592. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  17593. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  17594. at edu.nju.BugApplication.main(BugApplication.java:31)
  17595. 10:47:20.439 [main] INFO edu.nju.BugApplication - Started BugApplication in 6.119 seconds (JVM running for 10.444)
  17596. 10:50:57.236 [http-nio-8090-exec-1] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring DispatcherServlet 'dispatcherServlet'
  17597. 10:50:57.236 [http-nio-8090-exec-1] INFO o.s.web.servlet.DispatcherServlet - Initializing Servlet 'dispatcherServlet'
  17598. 10:50:57.243 [http-nio-8090-exec-1] INFO o.s.web.servlet.DispatcherServlet - Completed initialization in 7 ms
  17599. 10:50:57.347 [http-nio-8090-exec-1] WARN org.ansj.util.MyStaticValue - not find library.properties in classpath use it by default !
  17600. 10:50:57.350 [http-nio-8090-exec-1] INFO org.ansj.dic.impl.File2Stream - path to stream library/ambiguity.dic
  17601. 10:50:57.350 [http-nio-8090-exec-1] ERROR org.ansj.library.AmbiguityLibrary - Init ambiguity library error :org.ansj.exception.LibraryException: path :library/ambiguity.dic file:/Users/guochao/Desktop/project/crowdsource-backend/library/ambiguity.dic not found or can not to read, path: library/ambiguity.dic
  17602. 10:50:57.351 [http-nio-8090-exec-1] INFO org.ansj.dic.impl.File2Stream - path to stream library/default.dic
  17603. 10:50:57.351 [http-nio-8090-exec-1] ERROR org.ansj.library.DicLibrary - Init ambiguity library error :org.ansj.exception.LibraryException: path :library/default.dic file:/Users/guochao/Desktop/project/crowdsource-backend/library/default.dic not found or can not to read, path: library/default.dic
  17604. 10:50:57.594 [http-nio-8090-exec-1] INFO org.ansj.library.DATDictionary - init core library ok use time : 233
  17605. 10:50:57.904 [http-nio-8090-exec-1] INFO org.ansj.library.NgramLibrary - init ngram ok use time :305
  17606. 10:50:58.236 [http-nio-8090-exec-2] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:3, serverValue:139}] to localhost:27017
  17607. 10:54:49.910 [Thread-31] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  17608. 10:54:49.914 [Thread-31] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  17609. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17610. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17611. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17612. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  17613. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  17614. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  17615. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  17616. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  17617. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  17618. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  17619. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  17620. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  17621. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  17622. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  17623. at java.lang.reflect.Method.invoke(Method.java:498)
  17624. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  17625. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  17626. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  17627. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  17628. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  17629. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  17630. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  17631. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  17632. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  17633. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  17634. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  17635. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  17636. 10:54:49.914 [Thread-31] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  17637. 10:54:49.915 [Thread-31] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  17638. 10:54:49.921 [Thread-31] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:138}] to localhost:27017 because the pool has been closed.
  17639. 10:54:49.922 [Thread-31] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:3, serverValue:139}] to localhost:27017 because the pool has been closed.
  17640. 10:54:59.365 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$f69e8751] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  17641. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  17642. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  17643. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  17644. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  17645. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  17646. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  17647. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  17648. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  17649. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  17650. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  17651. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  17652. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  17653. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  17654. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  17655. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  17656. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=413MB
  17657. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  17658. 10:54:59.480 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=601MB
  17659. 10:54:59.492 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  17660. 10:54:59.495 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@61f3fbb8
  17661. 10:54:59.503 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  17662. 10:54:59.509 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  17663. 10:54:59.563 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  17664. 10:54:59.652 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:52537, server: 101.37.175.111/101.37.175.111:2181
  17665. 10:54:59.716 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd8c, negotiated timeout = 40000
  17666. 10:54:59.721 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  17667. 10:55:02.376 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  17668. 10:55:02.396 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  17669. 10:55:02.844 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  17670. 10:55:02.863 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 17ms. Found 0 repository interfaces.
  17671. 10:55:02.998 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  17672. 10:55:03.125 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$f69e8751] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  17673. 10:55:03.337 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  17674. 10:55:03.356 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  17675. 10:55:03.356 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  17676. 10:55:03.448 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  17677. 10:55:03.448 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 1045 ms
  17678. 10:55:03.690 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  17679. 10:55:03.727 [cluster-ClusterId{value='608b71876adc04a333c24bf5', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:140}] to localhost:27017
  17680. 10:55:03.730 [cluster-ClusterId{value='608b71876adc04a333c24bf5', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=1831780}
  17681. 10:55:04.046 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:141}] to localhost:27017
  17682. 10:55:04.374 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  17683. 10:55:04.374 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  17684. 10:55:04.382 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  17685. 10:55:04.382 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  17686. 10:55:04.582 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  17687. 10:55:05.048 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  17688. 10:55:05.558 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  17689. 10:55:05.848 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  17690. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17691. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17692. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17693. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  17694. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  17695. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  17696. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  17697. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  17698. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  17699. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  17700. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  17701. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  17702. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  17703. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  17704. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  17705. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  17706. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  17707. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  17708. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  17709. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  17710. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  17711. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  17712. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  17713. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  17714. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  17715. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  17716. at edu.nju.BugApplication.main(BugApplication.java:31)
  17717. 10:55:05.850 [main] INFO edu.nju.BugApplication - Started BugApplication in 6.916 seconds (JVM running for 11.355)
  17718. 11:00:26.754 [Thread-33] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  17719. 11:00:26.757 [Thread-33] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  17720. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17721. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17722. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17723. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  17724. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  17725. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  17726. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  17727. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  17728. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  17729. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  17730. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  17731. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  17732. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  17733. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  17734. at java.lang.reflect.Method.invoke(Method.java:498)
  17735. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  17736. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  17737. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  17738. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  17739. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  17740. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  17741. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  17742. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  17743. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  17744. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  17745. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  17746. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  17747. 11:00:26.757 [Thread-33] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  17748. 11:00:26.757 [Thread-33] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  17749. 11:00:26.764 [Thread-33] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:141}] to localhost:27017 because the pool has been closed.
  17750. 11:00:38.775 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$575e98b9] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  17751. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  17752. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  17753. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  17754. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  17755. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  17756. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  17757. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  17758. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  17759. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  17760. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  17761. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  17762. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  17763. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  17764. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  17765. 11:00:38.989 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  17766. 11:00:38.990 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=164MB
  17767. 11:00:38.990 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  17768. 11:00:38.990 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=336MB
  17769. 11:00:39.011 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  17770. 11:00:39.016 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@15fa55a6
  17771. 11:00:39.030 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  17772. 11:00:39.121 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  17773. 11:00:39.131 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  17774. 11:00:39.231 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:54846, server: 101.37.175.111/101.37.175.111:2181
  17775. 11:00:39.313 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd8d, negotiated timeout = 40000
  17776. 11:00:39.320 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  17777. 11:00:42.433 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  17778. 11:00:42.462 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  17779. 11:00:43.271 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  17780. 11:00:43.301 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 27ms. Found 0 repository interfaces.
  17781. 11:00:43.508 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  17782. 11:00:43.699 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$575e98b9] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  17783. 11:00:44.036 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  17784. 11:00:44.065 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  17785. 11:00:44.066 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  17786. 11:00:44.203 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  17787. 11:00:44.203 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 1729 ms
  17788. 11:00:44.598 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  17789. 11:00:44.657 [cluster-ClusterId{value='608b72dc6adc04aa5703e1e4', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:142}] to localhost:27017
  17790. 11:00:44.663 [cluster-ClusterId{value='608b72dc6adc04aa5703e1e4', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=3061160}
  17791. 11:00:45.069 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:143}] to localhost:27017
  17792. 11:00:45.464 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  17793. 11:00:45.464 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  17794. 11:00:45.469 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  17795. 11:00:45.469 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  17796. 11:00:45.700 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  17797. 11:00:45.944 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  17798. 11:00:46.299 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  17799. 11:00:46.558 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  17800. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17801. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17802. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17803. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  17804. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  17805. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  17806. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  17807. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  17808. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  17809. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  17810. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  17811. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  17812. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  17813. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  17814. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  17815. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  17816. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  17817. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  17818. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  17819. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  17820. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  17821. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  17822. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  17823. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  17824. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  17825. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  17826. at edu.nju.BugApplication.main(BugApplication.java:31)
  17827. 11:00:46.562 [main] INFO edu.nju.BugApplication - Started BugApplication in 8.501 seconds (JVM running for 14.945)
  17828. 11:01:07.391 [Thread-40] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  17829. 11:01:07.394 [Thread-40] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  17830. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17831. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17832. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17833. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  17834. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  17835. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  17836. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  17837. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  17838. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  17839. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  17840. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  17841. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  17842. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  17843. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  17844. at java.lang.reflect.Method.invoke(Method.java:498)
  17845. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  17846. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  17847. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  17848. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  17849. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  17850. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  17851. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  17852. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  17853. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  17854. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  17855. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  17856. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  17857. 11:01:07.395 [Thread-40] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  17858. 11:01:07.395 [Thread-40] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  17859. 11:01:07.403 [Thread-40] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:143}] to localhost:27017 because the pool has been closed.
  17860. 11:01:22.134 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$36bca2f] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  17861. 11:01:22.342 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  17862. 11:01:22.342 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  17863. 11:01:22.342 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  17864. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  17865. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  17866. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  17867. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  17868. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  17869. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  17870. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  17871. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  17872. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  17873. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  17874. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  17875. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  17876. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=159MB
  17877. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  17878. 11:01:22.343 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=334MB
  17879. 11:01:22.365 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  17880. 11:01:22.370 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@31ee96f4
  17881. 11:01:22.384 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  17882. 11:01:22.475 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  17883. 11:01:22.485 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  17884. 11:01:22.666 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:55140, server: 101.37.175.111/101.37.175.111:2181
  17885. 11:01:22.734 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd8e, negotiated timeout = 40000
  17886. 11:01:22.741 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  17887. 11:01:25.659 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  17888. 11:01:25.689 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  17889. 11:01:26.392 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  17890. 11:01:26.422 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 27ms. Found 0 repository interfaces.
  17891. 11:01:26.641 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  17892. 11:01:26.848 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$36bca2f] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  17893. 11:01:27.222 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  17894. 11:01:27.252 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  17895. 11:01:27.252 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  17896. 11:01:27.389 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  17897. 11:01:27.389 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 1689 ms
  17898. 11:01:27.765 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  17899. 11:01:27.877 [cluster-ClusterId{value='608b73076adc04aa80a5828a', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:144}] to localhost:27017
  17900. 11:01:27.883 [cluster-ClusterId{value='608b73076adc04aa80a5828a', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=3709112}
  17901. 11:01:28.366 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:145}] to localhost:27017
  17902. 11:01:28.823 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  17903. 11:01:28.824 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  17904. 11:01:28.829 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  17905. 11:01:28.829 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  17906. 11:01:29.088 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  17907. 11:01:29.442 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  17908. 11:01:29.805 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  17909. 11:01:30.072 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  17910. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17911. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17912. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17913. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  17914. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  17915. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  17916. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  17917. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  17918. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  17919. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  17920. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  17921. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  17922. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  17923. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  17924. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  17925. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  17926. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  17927. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  17928. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  17929. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  17930. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  17931. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  17932. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  17933. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  17934. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  17935. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  17936. at edu.nju.BugApplication.main(BugApplication.java:31)
  17937. 11:01:30.076 [main] INFO edu.nju.BugApplication - Started BugApplication in 8.641 seconds (JVM running for 16.27)
  17938. 11:02:10.325 [http-nio-8090-exec-1] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring DispatcherServlet 'dispatcherServlet'
  17939. 11:02:10.325 [http-nio-8090-exec-1] INFO o.s.web.servlet.DispatcherServlet - Initializing Servlet 'dispatcherServlet'
  17940. 11:02:10.332 [http-nio-8090-exec-1] INFO o.s.web.servlet.DispatcherServlet - Completed initialization in 7 ms
  17941. 11:04:30.129 [Thread-42] INFO c.a.c.n.r.NacosServiceRegistry - De-registering from Nacos Server now...
  17942. 11:04:30.131 [Thread-42] ERROR c.a.c.n.r.NacosServiceRegistry - ERR_NACOS_DEREGISTER, de-register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  17943. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  17944. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  17945. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  17946. at com.alibaba.nacos.client.naming.net.NamingProxy.deregisterService(NamingProxy.java:205)
  17947. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:244)
  17948. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:231)
  17949. at com.alibaba.nacos.client.naming.NacosNamingService.deregisterInstance(NacosNamingService.java:221)
  17950. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.deregister(NacosServiceRegistry.java:85)
  17951. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.deregister(AbstractAutoServiceRegistration.java:256)
  17952. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.stop(AbstractAutoServiceRegistration.java:271)
  17953. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.destroy(AbstractAutoServiceRegistration.java:208)
  17954. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  17955. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  17956. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  17957. at java.lang.reflect.Method.invoke(Method.java:498)
  17958. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363)
  17959. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:321)
  17960. at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:156)
  17961. at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:240)
  17962. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:571)
  17963. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:543)
  17964. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1055)
  17965. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:504)
  17966. at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1062)
  17967. at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1057)
  17968. at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1026)
  17969. at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:945)
  17970. 11:04:30.131 [Thread-42] INFO c.a.c.n.r.NacosServiceRegistry - De-registration finished.
  17971. 11:04:30.132 [Thread-42] INFO o.s.s.c.ThreadPoolTaskExecutor - Shutting down ExecutorService 'applicationTaskExecutor'
  17972. 11:04:30.137 [Thread-42] INFO org.mongodb.driver.connection - Closed connection [connectionId{localValue:2, serverValue:145}] to localhost:27017 because the pool has been closed.
  17973. 11:04:41.045 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$3ba05b8e] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  17974. 11:04:41.286 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60, built on 04/03/2017 16:19 GMT
  17975. 11:04:41.286 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=192.168.43.121
  17976. 11:04:41.286 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_181
  17977. 11:04:41.286 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
  17978. 11:04:41.286 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
  17979. 11:04:41.286 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/guochao/Desktop/project/crowdsource-backend/target/classes:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.1.4.RELEASE/spring-boot-starter-web-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter/2.1.4.RELEASE/spring-boot-starter-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot/2.1.4.RELEASE/spring-boot-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.1.4.RELEASE/spring-boot-autoconfigure-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.1.4.RELEASE/spring-boot-starter-logging-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar:/Users/guochao/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.11.2/log4j-to-slf4j-2.11.2.jar:/Users/guochao/.m2/repository/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar:/Users/guochao/.m2/repository/org/slf4j/jul-to-slf4j/1.7.26/jul-to-slf4j-1.7.26.jar:/Users/guochao/.m2/repository/javax/annotation/javax.annotation-api/1.3.2/javax.annotation-api-1.3.2.jar:/Users/guochao/.m2/repository/org/yaml/snakeyaml/1.23/snakeyaml-1.23.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.1.4.RELEASE/spring-boot-starter-json-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.8/jackson-databind-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.9.0/jackson-annotations-2.9.0.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.9.8/jackson-core-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.9.8/jackson-datatype-jdk8-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.9.8/jackson-datatype-jsr310-2.9.8.jar:/Users/guochao/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.9.8/jackson-module-parameter-names-2.9.8.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.1.4.RELEASE/spring-boot-starter-tomcat-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.17/tomcat-embed-core-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.17/tomcat-embed-el-9.0.17.jar:/Users/guochao/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.17/tomcat-embed-websocket-9.0.17.jar:/Users/guochao/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.16.Final/hibernate-validator-6.0.16.Final.jar:/Users/guochao/.m2/repository/javax/validation/validation-api/2.0.1.Final/validation-api-2.0.1.Final.jar:/Users/guochao/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/guochao/.m2/repository/com/fasterxml/classmate/1.4.0/classmate-1.4.0.jar:/Users/guochao/.m2/repository/org/springframework/spring-web/5.1.6.RELEASE/spring-web-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-beans/5.1.6.RELEASE/spring-beans-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-webmvc/5.1.6.RELEASE/spring-webmvc-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-context/5.1.6.RELEASE/spring-context-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-expression/5.1.6.RELEASE/spring-expression-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/session/spring-session-core/2.1.5.RELEASE/spring-session-core-2.1.5.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-jcl/5.1.6.RELEASE/spring-jcl-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/slf4j/slf4j-api/1.7.26/slf4j-api-1.7.26.jar:/Users/guochao/.m2/repository/org/springframework/spring-core/5.1.6.RELEASE/spring-core-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/com/google/code/gson/gson/2.8.2/gson-2.8.2.jar:/Users/guochao/.m2/repository/org/json/json/20160810/json-20160810.jar:/Users/guochao/.m2/repository/org/apache/poi/poi/3.17/poi-3.17.jar:/Users/guochao/.m2/repository/commons-codec/commons-codec/1.11/commons-codec-1.11.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-collections4/4.1/commons-collections4-4.1.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml/3.17/poi-ooxml-3.17.jar:/Users/guochao/.m2/repository/org/apache/poi/poi-ooxml-schemas/3.17/poi-ooxml-schemas-3.17.jar:/Users/guochao/.m2/repository/org/apache/xmlbeans/xmlbeans/2.6.0/xmlbeans-2.6.0.jar:/Users/guochao/.m2/repository/com/github/virtuald/curvesapi/1.04/curvesapi-1.04.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-data-mongodb/2.1.4.RELEASE/spring-boot-starter-data-mongodb-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver/3.8.2/mongodb-driver-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/bson/3.8.2/bson-3.8.2.jar:/Users/guochao/.m2/repository/org/mongodb/mongodb-driver-core/3.8.2/mongodb-driver-core-3.8.2.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-mongodb/2.1.6.RELEASE/spring-data-mongodb-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-tx/5.1.6.RELEASE/spring-tx-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/data/spring-data-commons/2.1.6.RELEASE/spring-data-commons-2.1.6.RELEASE.jar:/Users/guochao/.m2/repository/commons-fileupload/commons-fileupload/1.2.1/commons-fileupload-1.2.1.jar:/Users/guochao/.m2/repository/org/ansj/ansj_seg/5.1.1/ansj_seg-5.1.1.jar:/Users/guochao/.m2/repository/org/nlpcn/nlp-lang/1.7.2/nlp-lang-1.7.2.jar:/Users/guochao/.m2/repository/com/hankcs/hanlp/portable-1.7.0/hanlp-portable-1.7.0.jar:/Users/guochao/.m2/repository/org/projectlombok/lombok/1.18.8/lombok-1.18.8.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper-config/2.1.2.RELEASE/spring-cloud-starter-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-zookeeper/2.1.2.RELEASE/spring-cloud-starter-zookeeper-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-commons/2.1.2.RELEASE/spring-cloud-commons-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-core/2.1.2.RELEASE/spring-cloud-zookeeper-core-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-zookeeper-config/2.1.2.RELEASE/spring-cloud-zookeeper-config-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-recipes/4.0.1/curator-recipes-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-framework/4.0.1/curator-framework-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/curator/curator-client/4.0.1/curator-client-4.0.1.jar:/Users/guochao/.m2/repository/org/apache/zookeeper/zookeeper/3.5.3-beta/zookeeper-3.5.3-beta.jar:/Users/guochao/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-context/2.1.2.RELEASE/spring-cloud-context-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-crypto/5.1.5.RELEASE/spring-security-crypto-5.1.5.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-starter-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-starter-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/cloud/spring-cloud-alibaba-nacos-discovery/2.1.0.RELEASE/spring-cloud-alibaba-nacos-discovery-2.1.0.RELEASE.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-client/1.1.1/nacos-client-1.1.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-common/1.1.1/nacos-common-1.1.1.jar:/Users/guochao/.m2/repository/commons-io/commons-io/2.2/commons-io-2.2.jar:/Users/guochao/.m2/repository/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1.jar:/Users/guochao/.m2/repository/com/alibaba/nacos/nacos-api/1.1.1/nacos-api-1.1.1.jar:/Users/guochao/.m2/repository/io/prometheus/simpleclient/0.5.0/simpleclient-0.5.0.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-ribbon/2.1.2.RELEASE/spring-cloud-starter-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter/2.1.2.RELEASE/spring-cloud-starter-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/security/spring-security-rsa/1.0.7.RELEASE/spring-security-rsa-1.0.7.RELEASE.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/bouncycastle/bcprov-jdk15on/1.60/bcprov-jdk15on-1.60.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-ribbon/2.1.2.RELEASE/spring-cloud-netflix-ribbon-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-netflix-archaius/2.1.2.RELEASE/spring-cloud-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/cloud/spring-cloud-starter-netflix-archaius/2.1.2.RELEASE/spring-cloud-starter-netflix-archaius-2.1.2.RELEASE.jar:/Users/guochao/.m2/repository/com/netflix/archaius/archaius-core/0.7.6/archaius-core-0.7.6.jar:/Users/guochao/.m2/repository/commons-configuration/commons-configuration/1.8/commons-configuration-1.8.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon/2.3.0/ribbon-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-transport/2.3.0/ribbon-transport-2.3.0.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-contexts/0.4.9/rxnetty-contexts-0.4.9.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty-servo/0.4.9/rxnetty-servo-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/hystrix/hystrix-core/1.5.18/hystrix-core-1.5.18.jar:/Users/guochao/.m2/repository/org/hdrhistogram/HdrHistogram/2.1.9/HdrHistogram-2.1.9.jar:/Users/guochao/.m2/repository/javax/inject/javax.inject/1/javax.inject-1.jar:/Users/guochao/.m2/repository/io/reactivex/rxnetty/0.4.9/rxnetty-0.4.9.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-core/2.3.0/ribbon-core-2.3.0.jar:/Users/guochao/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-httpclient/2.3.0/ribbon-httpclient-2.3.0.jar:/Users/guochao/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-client/1.19.1/jersey-client-1.19.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/jersey-core/1.19.1/jersey-core-1.19.1.jar:/Users/guochao/.m2/repository/javax/ws/rs/jsr311-api/1.1.1/jsr311-api-1.1.1.jar:/Users/guochao/.m2/repository/com/sun/jersey/contribs/jersey-apache-client4/1.19.1/jersey-apache-client4-1.19.1.jar:/Users/guochao/.m2/repository/com/netflix/servo/servo-core/0.12.21/servo-core-0.12.21.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-commons-util/0.3.0/netflix-commons-util-0.3.0.jar:/Users/guochao/.m2/repository/com/netflix/ribbon/ribbon-loadbalancer/2.3.0/ribbon-loadbalancer-2.3.0.jar:/Users/guochao/.m2/repository/com/netflix/netflix-commons/netflix-statistics/0.1.1/netflix-statistics-0.1.1.jar:/Users/guochao/.m2/repository/io/reactivex/rxjava/1.3.8/rxjava-1.3.8.jar:/Users/guochao/.m2/repository/com/aliyun/oss/aliyun-sdk-oss/3.8.0/aliyun-sdk-oss-3.8.0.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpclient/4.5.8/httpclient-4.5.8.jar:/Users/guochao/.m2/repository/org/apache/httpcomponents/httpcore/4.4.11/httpcore-4.4.11.jar:/Users/guochao/.m2/repository/org/jdom/jdom/1.1/jdom-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/jettison/jettison/1.1/jettison-1.1.jar:/Users/guochao/.m2/repository/stax/stax-api/1.0.1/stax-api-1.0.1.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-core/3.4.0/aliyun-java-sdk-core-3.4.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ram/3.0.0/aliyun-java-sdk-ram-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-sts/3.0.0/aliyun-java-sdk-sts-3.0.0.jar:/Users/guochao/.m2/repository/com/aliyun/aliyun-java-sdk-ecs/4.2.0/aliyun-java-sdk-ecs-4.2.0.jar:/Users/guochao/.m2/repository/org/springframework/boot/spring-boot-starter-aop/2.1.4.RELEASE/spring-boot-starter-aop-2.1.4.RELEASE.jar:/Users/guochao/.m2/repository/org/springframework/spring-aop/5.1.6.RELEASE/spring-aop-5.1.6.RELEASE.jar:/Users/guochao/.m2/repository/org/aspectj/aspectjweaver/1.9.2/aspectjweaver-1.9.2.jar:/Users/guochao/.m2/repository/com/google/guava/guava/25.0-jre/guava-25.0-jre.jar:/Users/guochao/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/Users/guochao/.m2/repository/org/checkerframework/checker-compat-qual/2.0.0/checker-compat-qual-2.0.0.jar:/Users/guochao/.m2/repository/com/google/errorprone/error_prone_annotations/2.1.3/error_prone_annotations-2.1.3.jar:/Users/guochao/.m2/repository/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1.jar:/Users/guochao/.m2/repository/org/codehaus/mojo/animal-sniffer-annotations/1.14/animal-sniffer-annotations-1.14.jar:/Users/guochao/.m2/repository/io/github/yedaxia/japidocs/1.4.4/japidocs-1.4.4.jar:/Users/guochao/.m2/repository/com/alibaba/fastjson/1.2.70/fastjson-1.2.70.jar:/Users/guochao/.m2/repository/com/github/javaparser/javaparser-core/3.6.16/javaparser-core-3.6.16.jar:/Users/guochao/.m2/repository/org/freemarker/freemarker/2.3.28/freemarker-2.3.28.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar
  17980. 11:04:41.287 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/Users/guochao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
  17981. 11:04:41.287 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/var/folders/z7/lr15ch9n11jbc7g7ktktl8nw0000gn/T/
  17982. 11:04:41.287 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
  17983. 11:04:41.287 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Mac OS X
  17984. 11:04:41.287 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86_64
  17985. 11:04:41.287 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=10.14.6
  17986. 11:04:41.287 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=guochao
  17987. 11:04:41.287 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/Users/guochao
  17988. 11:04:41.287 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/Users/guochao/Desktop/project/crowdsource-backend
  17989. 11:04:41.287 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=170MB
  17990. 11:04:41.287 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=3641MB
  17991. 11:04:41.287 [main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=346MB
  17992. 11:04:41.308 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  17993. 11:04:41.313 [main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@3c7cfcbb
  17994. 11:04:41.326 [main] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  17995. 11:04:41.336 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  17996. 11:04:41.418 [main] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  17997. 11:04:41.520 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:56493, server: 101.37.175.111/101.37.175.111:2181
  17998. 11:04:41.597 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fcd90, negotiated timeout = 40000
  17999. 11:04:41.606 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  18000. 11:04:44.464 [main] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}
  18001. 11:04:44.495 [main] INFO edu.nju.BugApplication - The following profiles are active: dev
  18002. 11:04:45.209 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
  18003. 11:04:45.238 [main] INFO o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 26ms. Found 0 repository interfaces.
  18004. 11:04:45.433 [main] INFO o.s.c.context.scope.GenericScope - BeanFactory id=b2306abe-4109-3c0b-bf9b-f4447f91967a
  18005. 11:04:45.620 [main] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$3ba05b8e] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  18006. 11:04:45.940 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8090 (http)
  18007. 11:04:45.969 [main] INFO o.a.catalina.core.StandardService - Starting service [Tomcat]
  18008. 11:04:45.969 [main] INFO o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.17]
  18009. 11:04:46.134 [main] INFO o.a.c.c.C.[.[localhost].[/Bug/api] - Initializing Spring embedded WebApplicationContext
  18010. 11:04:46.135 [main] INFO o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 1630 ms
  18011. 11:04:46.497 [main] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
  18012. 11:04:46.558 [cluster-ClusterId{value='608b73ce6adc04aae5d1d45d', description='null'}-localhost:27017] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:1, serverValue:146}] to localhost:27017
  18013. 11:04:46.563 [cluster-ClusterId{value='608b73ce6adc04aae5d1d45d', description='null'}-localhost:27017] INFO org.mongodb.driver.cluster - Monitor thread successfully connected to server with description ServerDescription{address=localhost:27017, type=STANDALONE, state=CONNECTED, ok=true, version=ServerVersion{versionList=[4, 0, 11]}, minWireVersion=0, maxWireVersion=7, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=30, roundTripTimeNanos=2992293}
  18014. 11:04:46.956 [main] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:147}] to localhost:27017
  18015. 11:04:47.402 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  18016. 11:04:47.402 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  18017. 11:04:47.407 [main] WARN c.n.c.s.URLConfigurationSource - No URLs will be polled as dynamic configuration sources.
  18018. 11:04:47.407 [main] INFO c.n.c.s.URLConfigurationSource - To enable URLs as dynamic configuration sources, define System property archaius.configurationSource.additionalUrls or make config.properties available on classpath.
  18019. 11:04:47.686 [main] INFO o.s.s.c.ThreadPoolTaskExecutor - Initializing ExecutorService 'applicationTaskExecutor'
  18020. 11:04:47.944 [main] INFO o.s.s.c.ThreadPoolTaskScheduler - Initializing ExecutorService
  18021. 11:04:48.360 [main] INFO o.s.b.w.e.tomcat.TomcatWebServer - Tomcat started on port(s): 8090 (http) with context path '/Bug/api'
  18022. 11:04:48.627 [main] ERROR c.a.c.n.r.NacosServiceRegistry - nacos registry, mooctest-crowdsource-backend register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='mooctest-crowdsource-backend', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.43.121', networkInterface='', port=8090, secure=false, accessKey='', secretKey=''}},
  18023. java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused (Connection refused)
  18024. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:464)
  18025. at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:386)
  18026. at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:188)
  18027. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205)
  18028. at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184)
  18029. at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:61)
  18030. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
  18031. at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
  18032. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
  18033. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
  18034. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
  18035. at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
  18036. at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
  18037. at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
  18038. at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
  18039. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402)
  18040. at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359)
  18041. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:166)
  18042. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:552)
  18043. at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
  18044. at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
  18045. at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
  18046. at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
  18047. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
  18048. at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
  18049. at edu.nju.BugApplication.main(BugApplication.java:31)
  18050. 11:04:48.633 [main] INFO edu.nju.BugApplication - Started BugApplication in 8.32 seconds (JVM running for 15.384)
  18051. 11:07:11.032 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Client session timed out, have not heard from server in 26671ms for sessionid 0x17559ef9a3fcd90
  18052. 11:07:11.034 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Client session timed out, have not heard from server in 26671ms for sessionid 0x17559ef9a3fcd90, closing socket connection and attempting reconnect
  18053. 11:07:11.141 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: SUSPENDED
  18054. 11:07:12.799 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18055. 11:07:12.800 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18056. 11:07:12.801 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18057. java.net.SocketException: Network is unreachable
  18058. at sun.nio.ch.Net.connect0(Native Method)
  18059. at sun.nio.ch.Net.connect(Net.java:454)
  18060. at sun.nio.ch.Net.connect(Net.java:446)
  18061. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18062. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18063. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18064. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18065. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18066. 11:07:14.311 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18067. 11:07:14.311 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18068. 11:07:14.312 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18069. java.net.SocketException: Network is unreachable
  18070. at sun.nio.ch.Net.connect0(Native Method)
  18071. at sun.nio.ch.Net.connect(Net.java:454)
  18072. at sun.nio.ch.Net.connect(Net.java:446)
  18073. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18074. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18075. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18076. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18077. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18078. 11:11:10.498 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18079. 11:11:10.498 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18080. 11:11:10.499 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18081. java.net.SocketException: Network is unreachable
  18082. at sun.nio.ch.Net.connect0(Native Method)
  18083. at sun.nio.ch.Net.connect(Net.java:454)
  18084. at sun.nio.ch.Net.connect(Net.java:446)
  18085. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18086. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18087. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18088. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18089. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18090. 11:11:11.777 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18091. 11:11:11.777 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18092. 11:11:11.777 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18093. java.net.SocketException: Network is unreachable
  18094. at sun.nio.ch.Net.connect0(Native Method)
  18095. at sun.nio.ch.Net.connect(Net.java:454)
  18096. at sun.nio.ch.Net.connect(Net.java:446)
  18097. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18098. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18099. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18100. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18101. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18102. 11:11:13.872 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18103. 11:11:13.873 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18104. 11:11:13.873 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18105. java.net.SocketException: Network is unreachable
  18106. at sun.nio.ch.Net.connect0(Native Method)
  18107. at sun.nio.ch.Net.connect(Net.java:454)
  18108. at sun.nio.ch.Net.connect(Net.java:446)
  18109. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18110. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18111. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18112. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18113. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18114. 11:11:15.195 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18115. 11:11:15.196 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18116. 11:11:15.196 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18117. java.net.SocketException: Network is unreachable
  18118. at sun.nio.ch.Net.connect0(Native Method)
  18119. at sun.nio.ch.Net.connect(Net.java:454)
  18120. at sun.nio.ch.Net.connect(Net.java:446)
  18121. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18122. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18123. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18124. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18125. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18126. 11:11:17.074 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18127. 11:11:17.074 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18128. 11:11:17.075 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18129. java.net.SocketException: Network is unreachable
  18130. at sun.nio.ch.Net.connect0(Native Method)
  18131. at sun.nio.ch.Net.connect(Net.java:454)
  18132. at sun.nio.ch.Net.connect(Net.java:446)
  18133. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18134. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18135. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18136. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18137. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18138. 11:11:18.282 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18139. 11:11:18.282 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18140. 11:11:18.282 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18141. java.net.SocketException: Network is unreachable
  18142. at sun.nio.ch.Net.connect0(Native Method)
  18143. at sun.nio.ch.Net.connect(Net.java:454)
  18144. at sun.nio.ch.Net.connect(Net.java:446)
  18145. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18146. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18147. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18148. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18149. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18150. 11:11:19.746 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18151. 11:11:19.747 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18152. 11:11:19.747 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18153. java.net.SocketException: Network is unreachable
  18154. at sun.nio.ch.Net.connect0(Native Method)
  18155. at sun.nio.ch.Net.connect(Net.java:454)
  18156. at sun.nio.ch.Net.connect(Net.java:446)
  18157. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18158. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18159. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18160. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18161. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18162. 11:11:21.399 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18163. 11:11:21.400 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18164. 11:11:21.400 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18165. java.net.SocketException: Network is unreachable
  18166. at sun.nio.ch.Net.connect0(Native Method)
  18167. at sun.nio.ch.Net.connect(Net.java:454)
  18168. at sun.nio.ch.Net.connect(Net.java:446)
  18169. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18170. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18171. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18172. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18173. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18174. 11:11:23.045 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18175. 11:11:23.046 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18176. 11:11:23.046 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18177. java.net.SocketException: Network is unreachable
  18178. at sun.nio.ch.Net.connect0(Native Method)
  18179. at sun.nio.ch.Net.connect(Net.java:454)
  18180. at sun.nio.ch.Net.connect(Net.java:446)
  18181. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18182. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18183. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18184. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18185. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18186. 11:11:25.078 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18187. 11:11:25.079 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18188. 11:11:25.079 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18189. java.net.SocketException: Network is unreachable
  18190. at sun.nio.ch.Net.connect0(Native Method)
  18191. at sun.nio.ch.Net.connect(Net.java:454)
  18192. at sun.nio.ch.Net.connect(Net.java:446)
  18193. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18194. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18195. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18196. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18197. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18198. 11:11:26.294 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18199. 11:11:26.295 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18200. 11:11:26.295 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18201. java.net.SocketException: Network is unreachable
  18202. at sun.nio.ch.Net.connect0(Native Method)
  18203. at sun.nio.ch.Net.connect(Net.java:454)
  18204. at sun.nio.ch.Net.connect(Net.java:446)
  18205. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18206. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18207. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18208. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18209. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18210. 11:11:28.043 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18211. 11:11:28.043 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18212. 11:11:28.044 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18213. java.net.SocketException: Network is unreachable
  18214. at sun.nio.ch.Net.connect0(Native Method)
  18215. at sun.nio.ch.Net.connect(Net.java:454)
  18216. at sun.nio.ch.Net.connect(Net.java:446)
  18217. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18218. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18219. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18220. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18221. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18222. 11:11:29.503 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18223. 11:11:29.504 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18224. 11:11:29.504 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18225. java.net.SocketException: Network is unreachable
  18226. at sun.nio.ch.Net.connect0(Native Method)
  18227. at sun.nio.ch.Net.connect(Net.java:454)
  18228. at sun.nio.ch.Net.connect(Net.java:446)
  18229. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18230. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18231. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18232. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18233. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18234. 11:11:31.140 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18235. 11:11:31.141 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18236. 11:11:31.141 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18237. java.net.SocketException: Network is unreachable
  18238. at sun.nio.ch.Net.connect0(Native Method)
  18239. at sun.nio.ch.Net.connect(Net.java:454)
  18240. at sun.nio.ch.Net.connect(Net.java:446)
  18241. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18242. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18243. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18244. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18245. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18246. 11:11:32.727 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18247. 11:11:32.727 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18248. 11:11:32.728 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18249. java.net.SocketException: Network is unreachable
  18250. at sun.nio.ch.Net.connect0(Native Method)
  18251. at sun.nio.ch.Net.connect(Net.java:454)
  18252. at sun.nio.ch.Net.connect(Net.java:446)
  18253. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18254. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18255. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18256. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18257. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18258. 11:11:34.356 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18259. 11:11:34.357 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18260. 11:11:34.357 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18261. java.net.SocketException: Network is unreachable
  18262. at sun.nio.ch.Net.connect0(Native Method)
  18263. at sun.nio.ch.Net.connect(Net.java:454)
  18264. at sun.nio.ch.Net.connect(Net.java:446)
  18265. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18266. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18267. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18268. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18269. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18270. 11:11:36.149 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18271. 11:11:36.149 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18272. 11:11:36.149 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18273. java.net.SocketException: Network is unreachable
  18274. at sun.nio.ch.Net.connect0(Native Method)
  18275. at sun.nio.ch.Net.connect(Net.java:454)
  18276. at sun.nio.ch.Net.connect(Net.java:446)
  18277. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18278. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18279. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18280. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18281. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18282. 11:11:37.491 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18283. 11:11:37.491 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18284. 11:11:37.492 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18285. java.net.SocketException: Network is unreachable
  18286. at sun.nio.ch.Net.connect0(Native Method)
  18287. at sun.nio.ch.Net.connect(Net.java:454)
  18288. at sun.nio.ch.Net.connect(Net.java:446)
  18289. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18290. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18291. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18292. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18293. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18294. 11:11:39.439 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18295. 11:11:39.440 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18296. 11:11:39.440 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18297. java.net.SocketException: Network is unreachable
  18298. at sun.nio.ch.Net.connect0(Native Method)
  18299. at sun.nio.ch.Net.connect(Net.java:454)
  18300. at sun.nio.ch.Net.connect(Net.java:446)
  18301. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18302. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18303. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18304. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18305. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18306. 11:11:41.257 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18307. 11:11:41.258 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18308. 11:11:41.258 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18309. java.net.SocketException: Network is unreachable
  18310. at sun.nio.ch.Net.connect0(Native Method)
  18311. at sun.nio.ch.Net.connect(Net.java:454)
  18312. at sun.nio.ch.Net.connect(Net.java:446)
  18313. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18314. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18315. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18316. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18317. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18318. 11:11:42.623 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18319. 11:11:42.623 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18320. 11:11:42.623 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18321. java.net.SocketException: Network is unreachable
  18322. at sun.nio.ch.Net.connect0(Native Method)
  18323. at sun.nio.ch.Net.connect(Net.java:454)
  18324. at sun.nio.ch.Net.connect(Net.java:446)
  18325. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18326. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18327. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18328. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18329. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18330. 11:11:44.454 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18331. 11:11:44.455 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18332. 11:11:44.455 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18333. java.net.SocketException: Network is unreachable
  18334. at sun.nio.ch.Net.connect0(Native Method)
  18335. at sun.nio.ch.Net.connect(Net.java:454)
  18336. at sun.nio.ch.Net.connect(Net.java:446)
  18337. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18338. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18339. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18340. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18341. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18342. 11:11:45.408 [Curator-ConnectionStateManager-0] WARN o.a.c.f.s.ConnectionStateManager - Session timeout has elapsed while SUSPENDED. Injecting a session expiration. Elapsed ms: 274266. Adjusted session timeout ms: 40000
  18343. 11:11:45.409 [Curator-ConnectionStateManager-0] INFO o.a.zookeeper.ZooKeeperTestable - injectSessionExpiration() called
  18344. 11:11:45.409 [Curator-ConnectionStateManager-0] WARN o.a.c.f.s.ConnectionStateManager - Session timeout has elapsed while SUSPENDED. Injecting a session expiration. Elapsed ms: 274268. Adjusted session timeout ms: 40000
  18345. 11:11:45.409 [Curator-ConnectionStateManager-0] INFO o.a.zookeeper.ZooKeeperTestable - injectSessionExpiration() called
  18346. 11:11:45.409 [main-EventThread] WARN org.apache.curator.ConnectionState - Session expired event received
  18347. 11:11:45.410 [Curator-ConnectionStateManager-0] WARN o.a.c.f.s.ConnectionStateManager - Session timeout has elapsed while SUSPENDED. Injecting a session expiration. Elapsed ms: 274268. Adjusted session timeout ms: 40000
  18348. 11:11:45.410 [main-EventThread] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@3c7cfcbb
  18349. 11:11:45.410 [main-EventThread] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  18350. 11:11:45.411 [Curator-ConnectionStateManager-0] INFO o.a.zookeeper.ZooKeeperTestable - injectSessionExpiration() called
  18351. 11:11:45.411 [Curator-ConnectionStateManager-0] WARN o.a.c.f.s.ConnectionStateManager - Session timeout has elapsed while SUSPENDED. Injecting a session expiration. Elapsed ms: 274270. Adjusted session timeout ms: 40000
  18352. 11:11:45.411 [main-EventThread] WARN org.apache.curator.ConnectionState - Session expired event received
  18353. 11:11:45.411 [Curator-ConnectionStateManager-0] INFO o.a.zookeeper.ZooKeeperTestable - injectSessionExpiration() called
  18354. 11:11:45.411 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18355. 11:11:45.412 [Curator-ConnectionStateManager-0] WARN o.a.c.f.s.ConnectionStateManager - Session timeout has elapsed while SUSPENDED. Injecting a session expiration. Elapsed ms: 274270. Adjusted session timeout ms: 40000
  18356. 11:11:45.412 [main-EventThread] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@3c7cfcbb
  18357. 11:11:45.412 [main-EventThread] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  18358. 11:11:45.412 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18359. 11:11:45.412 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18360. java.net.SocketException: Network is unreachable
  18361. at sun.nio.ch.Net.connect0(Native Method)
  18362. at sun.nio.ch.Net.connect(Net.java:454)
  18363. at sun.nio.ch.Net.connect(Net.java:446)
  18364. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18365. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18366. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18367. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18368. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18369. 11:11:45.412 [Curator-ConnectionStateManager-0] INFO o.a.zookeeper.ZooKeeperTestable - injectSessionExpiration() called
  18370. 11:11:45.412 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18371. 11:11:45.412 [Curator-ConnectionStateManager-0] WARN o.a.c.f.s.ConnectionStateManager - Session timeout has elapsed while SUSPENDED. Injecting a session expiration. Elapsed ms: 274271. Adjusted session timeout ms: 40000
  18372. 11:11:45.412 [main-EventThread] WARN org.apache.curator.ConnectionState - Session expired event received
  18373. 11:11:45.412 [Curator-ConnectionStateManager-0] INFO o.a.zookeeper.ZooKeeperTestable - injectSessionExpiration() called
  18374. 11:11:45.413 [main-EventThread] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@3c7cfcbb
  18375. 11:11:45.413 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18376. 11:11:45.413 [Curator-ConnectionStateManager-0] WARN o.a.c.f.s.ConnectionStateManager - Session timeout has elapsed while SUSPENDED. Injecting a session expiration. Elapsed ms: 274272. Adjusted session timeout ms: 40000
  18377. 11:11:45.413 [main-EventThread] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  18378. 11:11:45.413 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18379. java.net.SocketException: Network is unreachable
  18380. at sun.nio.ch.Net.connect0(Native Method)
  18381. at sun.nio.ch.Net.connect(Net.java:454)
  18382. at sun.nio.ch.Net.connect(Net.java:446)
  18383. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18384. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18385. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18386. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18387. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18388. 11:11:45.413 [Curator-ConnectionStateManager-0] INFO o.a.zookeeper.ZooKeeperTestable - injectSessionExpiration() called
  18389. 11:11:45.413 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: LOST
  18390. 11:11:45.413 [main-EventThread] WARN org.apache.curator.ConnectionState - Session expired event received
  18391. 11:11:45.413 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18392. 11:11:45.414 [main-EventThread] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@3c7cfcbb
  18393. 11:11:45.414 [main-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x17559ef9a3fcd90
  18394. 11:11:45.414 [main-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x0
  18395. 11:11:45.414 [main-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x0
  18396. 11:11:45.414 [main-EventThread] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  18397. 11:11:45.414 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18398. 11:11:45.414 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18399. java.net.SocketException: Network is unreachable
  18400. at sun.nio.ch.Net.connect0(Native Method)
  18401. at sun.nio.ch.Net.connect(Net.java:454)
  18402. at sun.nio.ch.Net.connect(Net.java:446)
  18403. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18404. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18405. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18406. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18407. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18408. 11:11:45.415 [main-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x0
  18409. 11:11:45.415 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18410. 11:11:45.415 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18411. 11:11:45.415 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18412. java.net.SocketException: Network is unreachable
  18413. at sun.nio.ch.Net.connect0(Native Method)
  18414. at sun.nio.ch.Net.connect(Net.java:454)
  18415. at sun.nio.ch.Net.connect(Net.java:446)
  18416. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18417. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18418. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18419. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18420. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18421. 11:11:45.873 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18422. 11:11:45.873 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18423. 11:11:45.873 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x17559ef9a3fcd90 for server 101.37.175.111/101.37.175.111:2181, unexpected error, closing socket connection and attempting reconnect
  18424. java.net.SocketException: Network is unreachable
  18425. at sun.nio.ch.Net.connect0(Native Method)
  18426. at sun.nio.ch.Net.connect(Net.java:454)
  18427. at sun.nio.ch.Net.connect(Net.java:446)
  18428. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18429. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18430. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18431. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18432. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18433. 11:11:46.525 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18434. 11:11:46.525 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18435. 11:11:46.526 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18436. java.net.SocketException: Network is unreachable
  18437. at sun.nio.ch.Net.connect0(Native Method)
  18438. at sun.nio.ch.Net.connect(Net.java:454)
  18439. at sun.nio.ch.Net.connect(Net.java:446)
  18440. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18441. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18442. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18443. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18444. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18445. 11:11:47.635 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18446. 11:11:47.635 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18447. 11:11:47.636 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18448. java.net.SocketException: Network is unreachable
  18449. at sun.nio.ch.Net.connect0(Native Method)
  18450. at sun.nio.ch.Net.connect(Net.java:454)
  18451. at sun.nio.ch.Net.connect(Net.java:446)
  18452. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18453. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18454. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18455. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18456. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18457. 11:11:48.750 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18458. 11:11:48.750 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18459. 11:11:48.751 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18460. java.net.SocketException: Network is unreachable
  18461. at sun.nio.ch.Net.connect0(Native Method)
  18462. at sun.nio.ch.Net.connect(Net.java:454)
  18463. at sun.nio.ch.Net.connect(Net.java:446)
  18464. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18465. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18466. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18467. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18468. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18469. 11:11:49.866 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18470. 11:11:49.867 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18471. 11:11:49.867 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18472. java.net.SocketException: Network is unreachable
  18473. at sun.nio.ch.Net.connect0(Native Method)
  18474. at sun.nio.ch.Net.connect(Net.java:454)
  18475. at sun.nio.ch.Net.connect(Net.java:446)
  18476. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18477. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18478. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18479. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18480. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18481. 11:11:50.978 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18482. 11:11:50.979 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18483. 11:11:50.979 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18484. java.net.SocketException: Network is unreachable
  18485. at sun.nio.ch.Net.connect0(Native Method)
  18486. at sun.nio.ch.Net.connect(Net.java:454)
  18487. at sun.nio.ch.Net.connect(Net.java:446)
  18488. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18489. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18490. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18491. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18492. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18493. 11:11:52.099 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18494. 11:11:52.100 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18495. 11:11:52.100 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18496. java.net.SocketException: Network is unreachable
  18497. at sun.nio.ch.Net.connect0(Native Method)
  18498. at sun.nio.ch.Net.connect(Net.java:454)
  18499. at sun.nio.ch.Net.connect(Net.java:446)
  18500. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18501. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18502. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18503. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18504. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18505. 11:11:53.216 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18506. 11:11:53.216 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18507. 11:11:53.217 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18508. java.net.SocketException: Network is unreachable
  18509. at sun.nio.ch.Net.connect0(Native Method)
  18510. at sun.nio.ch.Net.connect(Net.java:454)
  18511. at sun.nio.ch.Net.connect(Net.java:446)
  18512. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18513. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18514. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18515. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18516. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18517. 11:11:54.330 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18518. 11:11:54.330 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18519. 11:11:54.331 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18520. java.net.SocketException: Network is unreachable
  18521. at sun.nio.ch.Net.connect0(Native Method)
  18522. at sun.nio.ch.Net.connect(Net.java:454)
  18523. at sun.nio.ch.Net.connect(Net.java:446)
  18524. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18525. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18526. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18527. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18528. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18529. 11:11:55.446 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18530. 11:11:55.447 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18531. 11:11:55.447 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18532. java.net.SocketException: Network is unreachable
  18533. at sun.nio.ch.Net.connect0(Native Method)
  18534. at sun.nio.ch.Net.connect(Net.java:454)
  18535. at sun.nio.ch.Net.connect(Net.java:446)
  18536. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18537. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18538. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18539. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18540. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18541. 11:11:56.563 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18542. 11:11:56.563 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18543. 11:11:56.563 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18544. java.net.SocketException: Network is unreachable
  18545. at sun.nio.ch.Net.connect0(Native Method)
  18546. at sun.nio.ch.Net.connect(Net.java:454)
  18547. at sun.nio.ch.Net.connect(Net.java:446)
  18548. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18549. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18550. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18551. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18552. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18553. 11:11:57.675 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18554. 11:11:57.676 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18555. 11:11:57.676 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18556. java.net.SocketException: Network is unreachable
  18557. at sun.nio.ch.Net.connect0(Native Method)
  18558. at sun.nio.ch.Net.connect(Net.java:454)
  18559. at sun.nio.ch.Net.connect(Net.java:446)
  18560. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18561. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18562. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18563. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18564. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18565. 11:11:58.796 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18566. 11:11:58.797 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18567. 11:11:58.797 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18568. java.net.SocketException: Network is unreachable
  18569. at sun.nio.ch.Net.connect0(Native Method)
  18570. at sun.nio.ch.Net.connect(Net.java:454)
  18571. at sun.nio.ch.Net.connect(Net.java:446)
  18572. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18573. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18574. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18575. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18576. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18577. 11:11:59.906 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18578. 11:11:59.906 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18579. 11:11:59.906 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18580. java.net.SocketException: Network is unreachable
  18581. at sun.nio.ch.Net.connect0(Native Method)
  18582. at sun.nio.ch.Net.connect(Net.java:454)
  18583. at sun.nio.ch.Net.connect(Net.java:446)
  18584. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18585. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18586. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18587. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18588. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18589. 11:12:01.023 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18590. 11:12:01.023 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18591. 11:12:01.024 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18592. java.net.SocketException: Network is unreachable
  18593. at sun.nio.ch.Net.connect0(Native Method)
  18594. at sun.nio.ch.Net.connect(Net.java:454)
  18595. at sun.nio.ch.Net.connect(Net.java:446)
  18596. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18597. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18598. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18599. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18600. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18601. 11:12:02.132 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18602. 11:12:02.133 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18603. 11:12:02.133 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18604. java.net.SocketException: Network is unreachable
  18605. at sun.nio.ch.Net.connect0(Native Method)
  18606. at sun.nio.ch.Net.connect(Net.java:454)
  18607. at sun.nio.ch.Net.connect(Net.java:446)
  18608. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18609. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18610. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18611. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18612. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18613. 11:12:03.242 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18614. 11:12:03.242 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18615. 11:12:03.242 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18616. java.net.SocketException: Network is unreachable
  18617. at sun.nio.ch.Net.connect0(Native Method)
  18618. at sun.nio.ch.Net.connect(Net.java:454)
  18619. at sun.nio.ch.Net.connect(Net.java:446)
  18620. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18621. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18622. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18623. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18624. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18625. 11:12:04.358 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18626. 11:12:04.359 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18627. 11:12:04.359 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18628. java.net.SocketException: Network is unreachable
  18629. at sun.nio.ch.Net.connect0(Native Method)
  18630. at sun.nio.ch.Net.connect(Net.java:454)
  18631. at sun.nio.ch.Net.connect(Net.java:446)
  18632. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18633. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18634. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18635. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18636. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18637. 11:12:05.468 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18638. 11:12:05.468 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18639. 11:12:05.469 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18640. java.net.SocketException: Network is unreachable
  18641. at sun.nio.ch.Net.connect0(Native Method)
  18642. at sun.nio.ch.Net.connect(Net.java:454)
  18643. at sun.nio.ch.Net.connect(Net.java:446)
  18644. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18645. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18646. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18647. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18648. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18649. 11:12:06.572 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18650. 11:12:06.572 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18651. 11:12:06.573 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18652. java.net.SocketException: Network is unreachable
  18653. at sun.nio.ch.Net.connect0(Native Method)
  18654. at sun.nio.ch.Net.connect(Net.java:454)
  18655. at sun.nio.ch.Net.connect(Net.java:446)
  18656. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18657. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18658. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18659. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18660. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18661. 11:12:07.689 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18662. 11:12:07.691 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18663. 11:12:07.691 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18664. java.net.SocketException: Network is unreachable
  18665. at sun.nio.ch.Net.connect0(Native Method)
  18666. at sun.nio.ch.Net.connect(Net.java:454)
  18667. at sun.nio.ch.Net.connect(Net.java:446)
  18668. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18669. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18670. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18671. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18672. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18673. 11:12:08.802 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18674. 11:12:08.802 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18675. 11:12:08.802 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18676. java.net.SocketException: Network is unreachable
  18677. at sun.nio.ch.Net.connect0(Native Method)
  18678. at sun.nio.ch.Net.connect(Net.java:454)
  18679. at sun.nio.ch.Net.connect(Net.java:446)
  18680. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18681. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18682. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18683. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18684. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18685. 11:12:09.916 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18686. 11:12:09.916 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18687. 11:12:09.916 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18688. java.net.SocketException: Network is unreachable
  18689. at sun.nio.ch.Net.connect0(Native Method)
  18690. at sun.nio.ch.Net.connect(Net.java:454)
  18691. at sun.nio.ch.Net.connect(Net.java:446)
  18692. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18693. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18694. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18695. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18696. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18697. 11:12:11.032 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18698. 11:12:11.032 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18699. 11:12:11.032 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18700. java.net.SocketException: Network is unreachable
  18701. at sun.nio.ch.Net.connect0(Native Method)
  18702. at sun.nio.ch.Net.connect(Net.java:454)
  18703. at sun.nio.ch.Net.connect(Net.java:446)
  18704. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18705. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18706. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18707. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18708. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18709. 11:12:12.149 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18710. 11:12:12.149 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18711. 11:12:12.149 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18712. java.net.SocketException: Network is unreachable
  18713. at sun.nio.ch.Net.connect0(Native Method)
  18714. at sun.nio.ch.Net.connect(Net.java:454)
  18715. at sun.nio.ch.Net.connect(Net.java:446)
  18716. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18717. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18718. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18719. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18720. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18721. 11:12:13.258 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18722. 11:12:13.258 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18723. 11:12:13.259 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18724. java.net.SocketException: Network is unreachable
  18725. at sun.nio.ch.Net.connect0(Native Method)
  18726. at sun.nio.ch.Net.connect(Net.java:454)
  18727. at sun.nio.ch.Net.connect(Net.java:446)
  18728. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18729. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18730. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18731. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18732. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18733. 11:12:14.372 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18734. 11:12:14.373 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18735. 11:12:14.373 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18736. java.net.SocketException: Network is unreachable
  18737. at sun.nio.ch.Net.connect0(Native Method)
  18738. at sun.nio.ch.Net.connect(Net.java:454)
  18739. at sun.nio.ch.Net.connect(Net.java:446)
  18740. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18741. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18742. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18743. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18744. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18745. 11:12:15.489 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18746. 11:12:15.489 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18747. 11:12:15.490 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18748. java.net.SocketException: Network is unreachable
  18749. at sun.nio.ch.Net.connect0(Native Method)
  18750. at sun.nio.ch.Net.connect(Net.java:454)
  18751. at sun.nio.ch.Net.connect(Net.java:446)
  18752. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18753. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18754. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18755. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18756. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18757. 11:12:16.601 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18758. 11:12:16.602 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18759. 11:12:16.602 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18760. java.net.SocketException: Network is unreachable
  18761. at sun.nio.ch.Net.connect0(Native Method)
  18762. at sun.nio.ch.Net.connect(Net.java:454)
  18763. at sun.nio.ch.Net.connect(Net.java:446)
  18764. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18765. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18766. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18767. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18768. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18769. 11:12:17.713 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18770. 11:12:17.714 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18771. 11:12:17.715 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18772. java.net.SocketException: Network is unreachable
  18773. at sun.nio.ch.Net.connect0(Native Method)
  18774. at sun.nio.ch.Net.connect(Net.java:454)
  18775. at sun.nio.ch.Net.connect(Net.java:446)
  18776. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18777. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18778. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18779. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18780. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18781. 11:19:00.104 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18782. 11:19:00.104 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18783. 11:19:00.104 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18784. java.net.SocketException: Network is unreachable
  18785. at sun.nio.ch.Net.connect0(Native Method)
  18786. at sun.nio.ch.Net.connect(Net.java:454)
  18787. at sun.nio.ch.Net.connect(Net.java:446)
  18788. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18789. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18790. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18791. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18792. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18793. 11:19:01.212 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18794. 11:19:01.212 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18795. 11:19:01.212 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18796. java.net.SocketException: Network is unreachable
  18797. at sun.nio.ch.Net.connect0(Native Method)
  18798. at sun.nio.ch.Net.connect(Net.java:454)
  18799. at sun.nio.ch.Net.connect(Net.java:446)
  18800. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18801. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18802. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18803. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18804. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18805. 11:19:02.320 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18806. 11:19:02.320 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18807. 11:19:02.320 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18808. java.net.SocketException: Network is unreachable
  18809. at sun.nio.ch.Net.connect0(Native Method)
  18810. at sun.nio.ch.Net.connect(Net.java:454)
  18811. at sun.nio.ch.Net.connect(Net.java:446)
  18812. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18813. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18814. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18815. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18816. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18817. 11:19:03.434 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18818. 11:19:03.435 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18819. 11:19:03.435 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18820. java.net.SocketException: Network is unreachable
  18821. at sun.nio.ch.Net.connect0(Native Method)
  18822. at sun.nio.ch.Net.connect(Net.java:454)
  18823. at sun.nio.ch.Net.connect(Net.java:446)
  18824. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18825. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18826. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18827. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18828. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18829. 11:19:04.549 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18830. 11:19:04.550 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18831. 11:19:04.550 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18832. java.net.SocketException: Network is unreachable
  18833. at sun.nio.ch.Net.connect0(Native Method)
  18834. at sun.nio.ch.Net.connect(Net.java:454)
  18835. at sun.nio.ch.Net.connect(Net.java:446)
  18836. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18837. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18838. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18839. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18840. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18841. 11:19:05.654 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18842. 11:19:05.654 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18843. 11:19:05.655 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18844. java.net.SocketException: Network is unreachable
  18845. at sun.nio.ch.Net.connect0(Native Method)
  18846. at sun.nio.ch.Net.connect(Net.java:454)
  18847. at sun.nio.ch.Net.connect(Net.java:446)
  18848. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18849. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18850. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18851. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18852. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18853. 11:19:06.767 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18854. 11:19:06.767 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18855. 11:19:06.768 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18856. java.net.SocketException: Network is unreachable
  18857. at sun.nio.ch.Net.connect0(Native Method)
  18858. at sun.nio.ch.Net.connect(Net.java:454)
  18859. at sun.nio.ch.Net.connect(Net.java:446)
  18860. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18861. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18862. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18863. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18864. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18865. 11:19:07.872 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18866. 11:19:07.874 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18867. 11:19:07.874 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18868. java.net.SocketException: Network is unreachable
  18869. at sun.nio.ch.Net.connect0(Native Method)
  18870. at sun.nio.ch.Net.connect(Net.java:454)
  18871. at sun.nio.ch.Net.connect(Net.java:446)
  18872. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18873. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18874. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18875. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18876. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18877. 11:19:08.982 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18878. 11:19:08.983 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18879. 11:19:08.983 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18880. java.net.SocketException: Network is unreachable
  18881. at sun.nio.ch.Net.connect0(Native Method)
  18882. at sun.nio.ch.Net.connect(Net.java:454)
  18883. at sun.nio.ch.Net.connect(Net.java:446)
  18884. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18885. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18886. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18887. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18888. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18889. 11:19:10.089 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18890. 11:19:10.090 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18891. 11:19:10.091 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18892. java.net.SocketException: Network is unreachable
  18893. at sun.nio.ch.Net.connect0(Native Method)
  18894. at sun.nio.ch.Net.connect(Net.java:454)
  18895. at sun.nio.ch.Net.connect(Net.java:446)
  18896. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18897. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18898. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18899. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18900. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18901. 11:19:11.200 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18902. 11:19:11.200 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18903. 11:19:11.201 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18904. java.net.SocketException: Network is unreachable
  18905. at sun.nio.ch.Net.connect0(Native Method)
  18906. at sun.nio.ch.Net.connect(Net.java:454)
  18907. at sun.nio.ch.Net.connect(Net.java:446)
  18908. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18909. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18910. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18911. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18912. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18913. 14:19:14.499 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18914. 14:19:14.500 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18915. 14:19:14.500 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18916. java.net.SocketException: Network is unreachable
  18917. at sun.nio.ch.Net.connect0(Native Method)
  18918. at sun.nio.ch.Net.connect(Net.java:454)
  18919. at sun.nio.ch.Net.connect(Net.java:446)
  18920. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18921. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18922. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18923. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18924. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18925. 14:19:15.615 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18926. 14:19:15.615 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18927. 14:19:15.615 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18928. java.net.SocketException: Network is unreachable
  18929. at sun.nio.ch.Net.connect0(Native Method)
  18930. at sun.nio.ch.Net.connect(Net.java:454)
  18931. at sun.nio.ch.Net.connect(Net.java:446)
  18932. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18933. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18934. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18935. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18936. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18937. 14:19:16.727 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18938. 14:19:16.728 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18939. 14:19:16.728 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18940. java.net.SocketException: Network is unreachable
  18941. at sun.nio.ch.Net.connect0(Native Method)
  18942. at sun.nio.ch.Net.connect(Net.java:454)
  18943. at sun.nio.ch.Net.connect(Net.java:446)
  18944. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18945. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18946. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18947. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18948. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18949. 14:19:17.833 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18950. 14:19:17.834 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18951. 14:19:17.834 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18952. java.net.SocketException: Network is unreachable
  18953. at sun.nio.ch.Net.connect0(Native Method)
  18954. at sun.nio.ch.Net.connect(Net.java:454)
  18955. at sun.nio.ch.Net.connect(Net.java:446)
  18956. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18957. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18958. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18959. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18960. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18961. 14:19:18.944 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18962. 14:19:18.944 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18963. 14:19:18.944 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18964. java.net.SocketException: Network is unreachable
  18965. at sun.nio.ch.Net.connect0(Native Method)
  18966. at sun.nio.ch.Net.connect(Net.java:454)
  18967. at sun.nio.ch.Net.connect(Net.java:446)
  18968. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18969. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18970. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18971. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18972. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18973. 21:06:15.751 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18974. 21:06:15.768 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18975. 21:06:15.778 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18976. java.net.SocketException: Network is unreachable
  18977. at sun.nio.ch.Net.connect0(Native Method)
  18978. at sun.nio.ch.Net.connect(Net.java:454)
  18979. at sun.nio.ch.Net.connect(Net.java:446)
  18980. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18981. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18982. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18983. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18984. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18985. 21:06:16.890 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18986. 21:06:16.890 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18987. 21:06:16.890 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  18988. java.net.SocketException: Network is unreachable
  18989. at sun.nio.ch.Net.connect0(Native Method)
  18990. at sun.nio.ch.Net.connect(Net.java:454)
  18991. at sun.nio.ch.Net.connect(Net.java:446)
  18992. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  18993. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  18994. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  18995. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  18996. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  18997. 21:06:17.992 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  18998. 21:06:17.994 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  18999. 21:06:17.994 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19000. java.net.SocketException: Network is unreachable
  19001. at sun.nio.ch.Net.connect0(Native Method)
  19002. at sun.nio.ch.Net.connect(Net.java:454)
  19003. at sun.nio.ch.Net.connect(Net.java:446)
  19004. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19005. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19006. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19007. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19008. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19009. 21:06:19.110 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19010. 21:06:19.110 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19011. 21:06:19.110 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19012. java.net.SocketException: Network is unreachable
  19013. at sun.nio.ch.Net.connect0(Native Method)
  19014. at sun.nio.ch.Net.connect(Net.java:454)
  19015. at sun.nio.ch.Net.connect(Net.java:446)
  19016. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19017. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19018. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19019. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19020. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19021. 21:06:20.218 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19022. 21:06:20.232 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19023. 21:06:20.235 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19024. java.net.SocketException: Network is unreachable
  19025. at sun.nio.ch.Net.connect0(Native Method)
  19026. at sun.nio.ch.Net.connect(Net.java:454)
  19027. at sun.nio.ch.Net.connect(Net.java:446)
  19028. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19029. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19030. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19031. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19032. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19033. 21:06:21.344 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19034. 21:06:21.344 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19035. 21:06:21.344 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19036. java.net.SocketException: Network is unreachable
  19037. at sun.nio.ch.Net.connect0(Native Method)
  19038. at sun.nio.ch.Net.connect(Net.java:454)
  19039. at sun.nio.ch.Net.connect(Net.java:446)
  19040. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19041. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19042. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19043. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19044. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19045. 21:06:22.453 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19046. 21:06:22.476 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19047. 21:06:22.477 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19048. java.net.SocketException: Network is unreachable
  19049. at sun.nio.ch.Net.connect0(Native Method)
  19050. at sun.nio.ch.Net.connect(Net.java:454)
  19051. at sun.nio.ch.Net.connect(Net.java:446)
  19052. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19053. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19054. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19055. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19056. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19057. 21:06:23.586 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19058. 21:06:23.586 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19059. 21:06:23.587 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19060. java.net.SocketException: Network is unreachable
  19061. at sun.nio.ch.Net.connect0(Native Method)
  19062. at sun.nio.ch.Net.connect(Net.java:454)
  19063. at sun.nio.ch.Net.connect(Net.java:446)
  19064. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19065. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19066. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19067. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19068. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19069. 21:06:24.693 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19070. 21:06:24.708 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19071. 21:06:24.708 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19072. java.net.SocketException: Network is unreachable
  19073. at sun.nio.ch.Net.connect0(Native Method)
  19074. at sun.nio.ch.Net.connect(Net.java:454)
  19075. at sun.nio.ch.Net.connect(Net.java:446)
  19076. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19077. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19078. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19079. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19080. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19081. 21:06:25.810 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19082. 21:06:25.810 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19083. 21:06:25.810 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19084. java.net.SocketException: Network is unreachable
  19085. at sun.nio.ch.Net.connect0(Native Method)
  19086. at sun.nio.ch.Net.connect(Net.java:454)
  19087. at sun.nio.ch.Net.connect(Net.java:446)
  19088. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19089. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19090. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19091. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19092. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19093. 21:06:26.930 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19094. 21:06:26.930 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19095. 21:06:26.930 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19096. java.net.SocketException: Network is unreachable
  19097. at sun.nio.ch.Net.connect0(Native Method)
  19098. at sun.nio.ch.Net.connect(Net.java:454)
  19099. at sun.nio.ch.Net.connect(Net.java:446)
  19100. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19101. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19102. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19103. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19104. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19105. 21:06:28.039 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19106. 21:06:28.039 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19107. 21:06:28.039 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19108. java.net.SocketException: Network is unreachable
  19109. at sun.nio.ch.Net.connect0(Native Method)
  19110. at sun.nio.ch.Net.connect(Net.java:454)
  19111. at sun.nio.ch.Net.connect(Net.java:446)
  19112. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19113. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19114. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19115. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19116. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19117. 21:06:29.147 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19118. 21:06:29.147 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19119. 21:06:29.147 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19120. java.net.SocketException: Network is unreachable
  19121. at sun.nio.ch.Net.connect0(Native Method)
  19122. at sun.nio.ch.Net.connect(Net.java:454)
  19123. at sun.nio.ch.Net.connect(Net.java:446)
  19124. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19125. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19126. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19127. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19128. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19129. 21:06:30.258 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19130. 21:06:30.258 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19131. 21:06:30.258 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19132. java.net.SocketException: Network is unreachable
  19133. at sun.nio.ch.Net.connect0(Native Method)
  19134. at sun.nio.ch.Net.connect(Net.java:454)
  19135. at sun.nio.ch.Net.connect(Net.java:446)
  19136. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19137. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19138. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19139. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19140. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19141. 21:06:31.363 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19142. 21:06:31.363 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19143. 21:06:31.363 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19144. java.net.SocketException: Network is unreachable
  19145. at sun.nio.ch.Net.connect0(Native Method)
  19146. at sun.nio.ch.Net.connect(Net.java:454)
  19147. at sun.nio.ch.Net.connect(Net.java:446)
  19148. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19149. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19150. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19151. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19152. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19153. 21:06:32.472 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19154. 21:06:32.472 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19155. 21:06:32.473 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19156. java.net.SocketException: Network is unreachable
  19157. at sun.nio.ch.Net.connect0(Native Method)
  19158. at sun.nio.ch.Net.connect(Net.java:454)
  19159. at sun.nio.ch.Net.connect(Net.java:446)
  19160. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19161. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19162. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19163. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19164. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19165. 21:06:33.587 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19166. 21:06:33.587 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19167. 21:06:33.588 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19168. java.net.SocketException: Network is unreachable
  19169. at sun.nio.ch.Net.connect0(Native Method)
  19170. at sun.nio.ch.Net.connect(Net.java:454)
  19171. at sun.nio.ch.Net.connect(Net.java:446)
  19172. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19173. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19174. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19175. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19176. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19177. 21:06:34.704 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19178. 21:06:34.704 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19179. 21:06:34.704 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19180. java.net.SocketException: Network is unreachable
  19181. at sun.nio.ch.Net.connect0(Native Method)
  19182. at sun.nio.ch.Net.connect(Net.java:454)
  19183. at sun.nio.ch.Net.connect(Net.java:446)
  19184. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19185. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19186. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19187. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19188. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19189. 21:06:35.812 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19190. 21:06:35.812 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19191. 21:06:35.812 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19192. java.net.SocketException: Network is unreachable
  19193. at sun.nio.ch.Net.connect0(Native Method)
  19194. at sun.nio.ch.Net.connect(Net.java:454)
  19195. at sun.nio.ch.Net.connect(Net.java:446)
  19196. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19197. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19198. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19199. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19200. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19201. 21:06:36.926 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19202. 21:06:36.927 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19203. 21:06:36.927 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19204. java.net.SocketException: Network is unreachable
  19205. at sun.nio.ch.Net.connect0(Native Method)
  19206. at sun.nio.ch.Net.connect(Net.java:454)
  19207. at sun.nio.ch.Net.connect(Net.java:446)
  19208. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19209. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19210. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19211. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19212. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19213. 21:06:38.034 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19214. 21:06:38.035 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19215. 21:06:38.035 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19216. java.net.SocketException: Network is unreachable
  19217. at sun.nio.ch.Net.connect0(Native Method)
  19218. at sun.nio.ch.Net.connect(Net.java:454)
  19219. at sun.nio.ch.Net.connect(Net.java:446)
  19220. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19221. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19222. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19223. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19224. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19225. 21:06:39.141 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19226. 21:06:39.142 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19227. 21:06:39.142 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19228. java.net.SocketException: Network is unreachable
  19229. at sun.nio.ch.Net.connect0(Native Method)
  19230. at sun.nio.ch.Net.connect(Net.java:454)
  19231. at sun.nio.ch.Net.connect(Net.java:446)
  19232. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19233. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19234. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19235. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19236. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19237. 21:06:40.249 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19238. 21:06:40.255 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19239. 21:06:40.255 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19240. java.net.SocketException: Network is unreachable
  19241. at sun.nio.ch.Net.connect0(Native Method)
  19242. at sun.nio.ch.Net.connect(Net.java:454)
  19243. at sun.nio.ch.Net.connect(Net.java:446)
  19244. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19245. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19246. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19247. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19248. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19249. 21:06:41.359 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19250. 21:06:41.360 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19251. 21:06:41.360 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19252. java.net.SocketException: Network is unreachable
  19253. at sun.nio.ch.Net.connect0(Native Method)
  19254. at sun.nio.ch.Net.connect(Net.java:454)
  19255. at sun.nio.ch.Net.connect(Net.java:446)
  19256. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19257. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19258. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19259. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19260. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19261. 21:06:42.465 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19262. 21:06:42.466 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19263. 21:06:42.468 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19264. java.net.SocketException: Network is unreachable
  19265. at sun.nio.ch.Net.connect0(Native Method)
  19266. at sun.nio.ch.Net.connect(Net.java:454)
  19267. at sun.nio.ch.Net.connect(Net.java:446)
  19268. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19269. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19270. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19271. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19272. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19273. 21:06:43.574 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19274. 21:06:43.575 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19275. 21:06:43.575 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19276. java.net.SocketException: Network is unreachable
  19277. at sun.nio.ch.Net.connect0(Native Method)
  19278. at sun.nio.ch.Net.connect(Net.java:454)
  19279. at sun.nio.ch.Net.connect(Net.java:446)
  19280. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19281. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19282. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19283. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19284. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19285. 21:06:44.687 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19286. 21:06:44.688 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19287. 21:06:44.688 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19288. java.net.SocketException: Network is unreachable
  19289. at sun.nio.ch.Net.connect0(Native Method)
  19290. at sun.nio.ch.Net.connect(Net.java:454)
  19291. at sun.nio.ch.Net.connect(Net.java:446)
  19292. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19293. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19294. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19295. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19296. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19297. 21:06:45.829 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19298. 21:06:45.830 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19299. 21:06:45.830 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19300. java.net.SocketException: Network is unreachable
  19301. at sun.nio.ch.Net.connect0(Native Method)
  19302. at sun.nio.ch.Net.connect(Net.java:454)
  19303. at sun.nio.ch.Net.connect(Net.java:446)
  19304. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19305. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19306. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19307. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19308. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19309. 21:06:46.949 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19310. 21:06:46.950 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19311. 21:06:46.950 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19312. java.net.SocketException: Network is unreachable
  19313. at sun.nio.ch.Net.connect0(Native Method)
  19314. at sun.nio.ch.Net.connect(Net.java:454)
  19315. at sun.nio.ch.Net.connect(Net.java:446)
  19316. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19317. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19318. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19319. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19320. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19321. 21:06:48.067 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19322. 21:06:48.068 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19323. 21:06:48.068 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19324. java.net.SocketException: Network is unreachable
  19325. at sun.nio.ch.Net.connect0(Native Method)
  19326. at sun.nio.ch.Net.connect(Net.java:454)
  19327. at sun.nio.ch.Net.connect(Net.java:446)
  19328. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19329. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19330. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19331. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19332. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19333. 21:06:49.175 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19334. 21:06:49.176 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19335. 21:06:49.176 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19336. java.net.SocketException: Network is unreachable
  19337. at sun.nio.ch.Net.connect0(Native Method)
  19338. at sun.nio.ch.Net.connect(Net.java:454)
  19339. at sun.nio.ch.Net.connect(Net.java:446)
  19340. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19341. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19342. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19343. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19344. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19345. 21:06:50.284 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19346. 21:06:50.284 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19347. 21:06:50.285 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19348. java.net.SocketException: Network is unreachable
  19349. at sun.nio.ch.Net.connect0(Native Method)
  19350. at sun.nio.ch.Net.connect(Net.java:454)
  19351. at sun.nio.ch.Net.connect(Net.java:446)
  19352. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19353. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19354. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19355. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19356. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19357. 21:06:51.403 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19358. 21:06:51.403 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19359. 21:06:51.404 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19360. java.net.SocketException: Network is unreachable
  19361. at sun.nio.ch.Net.connect0(Native Method)
  19362. at sun.nio.ch.Net.connect(Net.java:454)
  19363. at sun.nio.ch.Net.connect(Net.java:446)
  19364. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19365. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19366. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19367. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19368. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19369. 21:06:52.520 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19370. 21:06:52.520 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19371. 21:06:52.522 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19372. java.net.SocketException: Network is unreachable
  19373. at sun.nio.ch.Net.connect0(Native Method)
  19374. at sun.nio.ch.Net.connect(Net.java:454)
  19375. at sun.nio.ch.Net.connect(Net.java:446)
  19376. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19377. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19378. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19379. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19380. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19381. 21:41:49.471 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19382. 21:41:49.472 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19383. 21:41:49.472 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19384. java.net.SocketException: Network is unreachable
  19385. at sun.nio.ch.Net.connect0(Native Method)
  19386. at sun.nio.ch.Net.connect(Net.java:454)
  19387. at sun.nio.ch.Net.connect(Net.java:446)
  19388. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19389. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19390. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19391. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19392. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19393. 21:41:50.575 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19394. 21:41:50.575 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19395. 21:41:50.575 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19396. java.net.SocketException: Network is unreachable
  19397. at sun.nio.ch.Net.connect0(Native Method)
  19398. at sun.nio.ch.Net.connect(Net.java:454)
  19399. at sun.nio.ch.Net.connect(Net.java:446)
  19400. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19401. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19402. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19403. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19404. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19405. 21:41:51.690 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19406. 21:41:51.690 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19407. 21:41:51.690 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19408. java.net.SocketException: Network is unreachable
  19409. at sun.nio.ch.Net.connect0(Native Method)
  19410. at sun.nio.ch.Net.connect(Net.java:454)
  19411. at sun.nio.ch.Net.connect(Net.java:446)
  19412. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19413. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19414. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19415. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19416. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19417. 21:41:52.805 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19418. 21:41:52.805 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19419. 21:41:52.805 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19420. java.net.SocketException: Network is unreachable
  19421. at sun.nio.ch.Net.connect0(Native Method)
  19422. at sun.nio.ch.Net.connect(Net.java:454)
  19423. at sun.nio.ch.Net.connect(Net.java:446)
  19424. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19425. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19426. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19427. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19428. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19429. 21:41:53.912 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19430. 21:41:53.912 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19431. 21:41:53.913 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19432. java.net.SocketException: Network is unreachable
  19433. at sun.nio.ch.Net.connect0(Native Method)
  19434. at sun.nio.ch.Net.connect(Net.java:454)
  19435. at sun.nio.ch.Net.connect(Net.java:446)
  19436. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19437. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19438. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19439. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19440. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19441. 21:41:55.028 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19442. 21:41:55.028 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19443. 21:41:55.028 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19444. java.net.SocketException: Network is unreachable
  19445. at sun.nio.ch.Net.connect0(Native Method)
  19446. at sun.nio.ch.Net.connect(Net.java:454)
  19447. at sun.nio.ch.Net.connect(Net.java:446)
  19448. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19449. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19450. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19451. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19452. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19453. 21:41:56.139 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19454. 21:41:56.140 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19455. 21:41:56.140 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19456. java.net.SocketException: Network is unreachable
  19457. at sun.nio.ch.Net.connect0(Native Method)
  19458. at sun.nio.ch.Net.connect(Net.java:454)
  19459. at sun.nio.ch.Net.connect(Net.java:446)
  19460. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19461. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19462. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19463. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19464. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19465. 21:41:57.254 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19466. 21:41:57.255 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19467. 21:41:57.255 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19468. java.net.SocketException: Network is unreachable
  19469. at sun.nio.ch.Net.connect0(Native Method)
  19470. at sun.nio.ch.Net.connect(Net.java:454)
  19471. at sun.nio.ch.Net.connect(Net.java:446)
  19472. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19473. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19474. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19475. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19476. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19477. 21:41:58.366 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19478. 21:41:58.366 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19479. 21:41:58.367 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19480. java.net.SocketException: Network is unreachable
  19481. at sun.nio.ch.Net.connect0(Native Method)
  19482. at sun.nio.ch.Net.connect(Net.java:454)
  19483. at sun.nio.ch.Net.connect(Net.java:446)
  19484. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19485. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19486. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19487. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19488. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19489. 21:41:59.481 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19490. 21:41:59.481 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19491. 21:41:59.482 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19492. java.net.SocketException: Network is unreachable
  19493. at sun.nio.ch.Net.connect0(Native Method)
  19494. at sun.nio.ch.Net.connect(Net.java:454)
  19495. at sun.nio.ch.Net.connect(Net.java:446)
  19496. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19497. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19498. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19499. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19500. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19501. 21:42:00.599 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19502. 21:42:00.599 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19503. 21:42:00.600 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19504. java.net.SocketException: Network is unreachable
  19505. at sun.nio.ch.Net.connect0(Native Method)
  19506. at sun.nio.ch.Net.connect(Net.java:454)
  19507. at sun.nio.ch.Net.connect(Net.java:446)
  19508. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19509. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19510. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19511. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19512. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19513. 21:42:01.710 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19514. 21:42:01.711 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19515. 21:42:01.711 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19516. java.net.SocketException: Network is unreachable
  19517. at sun.nio.ch.Net.connect0(Native Method)
  19518. at sun.nio.ch.Net.connect(Net.java:454)
  19519. at sun.nio.ch.Net.connect(Net.java:446)
  19520. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19521. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19522. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19523. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19524. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19525. 21:42:02.821 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19526. 21:42:02.822 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19527. 21:42:02.822 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19528. java.net.SocketException: Network is unreachable
  19529. at sun.nio.ch.Net.connect0(Native Method)
  19530. at sun.nio.ch.Net.connect(Net.java:454)
  19531. at sun.nio.ch.Net.connect(Net.java:446)
  19532. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19533. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19534. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19535. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19536. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19537. 21:42:03.927 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19538. 21:42:03.928 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19539. 21:42:03.928 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19540. java.net.SocketException: Network is unreachable
  19541. at sun.nio.ch.Net.connect0(Native Method)
  19542. at sun.nio.ch.Net.connect(Net.java:454)
  19543. at sun.nio.ch.Net.connect(Net.java:446)
  19544. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19545. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19546. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19547. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19548. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19549. 21:42:05.031 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19550. 21:42:05.072 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19551. 21:42:05.082 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19552. java.net.SocketException: Network is unreachable
  19553. at sun.nio.ch.Net.connect0(Native Method)
  19554. at sun.nio.ch.Net.connect(Net.java:454)
  19555. at sun.nio.ch.Net.connect(Net.java:446)
  19556. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19557. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19558. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19559. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19560. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19561. 21:42:06.276 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19562. 21:42:06.277 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19563. 21:42:06.277 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19564. java.net.SocketException: Network is unreachable
  19565. at sun.nio.ch.Net.connect0(Native Method)
  19566. at sun.nio.ch.Net.connect(Net.java:454)
  19567. at sun.nio.ch.Net.connect(Net.java:446)
  19568. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19569. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19570. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19571. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19572. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19573. 21:42:07.392 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19574. 21:42:07.393 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19575. 21:42:07.394 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19576. java.net.SocketException: Network is unreachable
  19577. at sun.nio.ch.Net.connect0(Native Method)
  19578. at sun.nio.ch.Net.connect(Net.java:454)
  19579. at sun.nio.ch.Net.connect(Net.java:446)
  19580. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19581. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19582. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19583. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19584. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19585. 21:42:08.506 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19586. 21:42:08.506 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19587. 21:42:08.507 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19588. java.net.SocketException: Network is unreachable
  19589. at sun.nio.ch.Net.connect0(Native Method)
  19590. at sun.nio.ch.Net.connect(Net.java:454)
  19591. at sun.nio.ch.Net.connect(Net.java:446)
  19592. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19593. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19594. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19595. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19596. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19597. 21:42:09.626 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19598. 21:42:09.627 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19599. 21:42:09.628 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19600. java.net.SocketException: Network is unreachable
  19601. at sun.nio.ch.Net.connect0(Native Method)
  19602. at sun.nio.ch.Net.connect(Net.java:454)
  19603. at sun.nio.ch.Net.connect(Net.java:446)
  19604. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19605. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19606. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19607. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19608. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19609. 21:42:10.735 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19610. 21:42:10.736 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19611. 21:42:10.737 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19612. java.net.SocketException: Network is unreachable
  19613. at sun.nio.ch.Net.connect0(Native Method)
  19614. at sun.nio.ch.Net.connect(Net.java:454)
  19615. at sun.nio.ch.Net.connect(Net.java:446)
  19616. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19617. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19618. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19619. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19620. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19621. 21:42:11.845 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19622. 21:42:11.846 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19623. 21:42:11.846 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19624. java.net.SocketException: Network is unreachable
  19625. at sun.nio.ch.Net.connect0(Native Method)
  19626. at sun.nio.ch.Net.connect(Net.java:454)
  19627. at sun.nio.ch.Net.connect(Net.java:446)
  19628. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19629. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19630. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19631. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19632. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19633. 21:42:12.965 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19634. 21:42:12.966 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19635. 21:42:12.966 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19636. java.net.SocketException: Network is unreachable
  19637. at sun.nio.ch.Net.connect0(Native Method)
  19638. at sun.nio.ch.Net.connect(Net.java:454)
  19639. at sun.nio.ch.Net.connect(Net.java:446)
  19640. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19641. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19642. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19643. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19644. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19645. 21:42:14.083 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19646. 21:42:14.083 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19647. 21:42:14.084 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19648. java.net.SocketException: Network is unreachable
  19649. at sun.nio.ch.Net.connect0(Native Method)
  19650. at sun.nio.ch.Net.connect(Net.java:454)
  19651. at sun.nio.ch.Net.connect(Net.java:446)
  19652. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19653. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19654. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19655. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19656. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19657. 21:42:15.197 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19658. 21:42:15.197 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19659. 21:42:15.198 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19660. java.net.SocketException: Network is unreachable
  19661. at sun.nio.ch.Net.connect0(Native Method)
  19662. at sun.nio.ch.Net.connect(Net.java:454)
  19663. at sun.nio.ch.Net.connect(Net.java:446)
  19664. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19665. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19666. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19667. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19668. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19669. 21:42:16.313 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19670. 21:42:16.314 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19671. 21:42:16.314 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19672. java.net.SocketException: Network is unreachable
  19673. at sun.nio.ch.Net.connect0(Native Method)
  19674. at sun.nio.ch.Net.connect(Net.java:454)
  19675. at sun.nio.ch.Net.connect(Net.java:446)
  19676. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19677. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19678. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19679. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19680. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19681. 21:42:17.425 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19682. 21:42:17.426 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19683. 21:42:17.426 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19684. java.net.SocketException: Network is unreachable
  19685. at sun.nio.ch.Net.connect0(Native Method)
  19686. at sun.nio.ch.Net.connect(Net.java:454)
  19687. at sun.nio.ch.Net.connect(Net.java:446)
  19688. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19689. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19690. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19691. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19692. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19693. 21:42:18.542 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19694. 21:42:18.543 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19695. 21:42:18.544 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19696. java.net.SocketException: Network is unreachable
  19697. at sun.nio.ch.Net.connect0(Native Method)
  19698. at sun.nio.ch.Net.connect(Net.java:454)
  19699. at sun.nio.ch.Net.connect(Net.java:446)
  19700. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19701. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19702. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19703. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19704. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19705. 21:42:19.656 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19706. 21:42:19.657 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19707. 21:42:19.658 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19708. java.net.SocketException: Network is unreachable
  19709. at sun.nio.ch.Net.connect0(Native Method)
  19710. at sun.nio.ch.Net.connect(Net.java:454)
  19711. at sun.nio.ch.Net.connect(Net.java:446)
  19712. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19713. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19714. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19715. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19716. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19717. 21:42:20.769 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19718. 21:42:20.769 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19719. 21:42:20.770 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19720. java.net.SocketException: Network is unreachable
  19721. at sun.nio.ch.Net.connect0(Native Method)
  19722. at sun.nio.ch.Net.connect(Net.java:454)
  19723. at sun.nio.ch.Net.connect(Net.java:446)
  19724. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19725. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19726. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19727. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19728. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19729. 21:42:21.883 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19730. 21:42:21.884 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19731. 21:42:21.884 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19732. java.net.SocketException: Network is unreachable
  19733. at sun.nio.ch.Net.connect0(Native Method)
  19734. at sun.nio.ch.Net.connect(Net.java:454)
  19735. at sun.nio.ch.Net.connect(Net.java:446)
  19736. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19737. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19738. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19739. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19740. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19741. 21:42:22.998 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19742. 21:42:22.999 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19743. 21:42:22.999 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19744. java.net.SocketException: Network is unreachable
  19745. at sun.nio.ch.Net.connect0(Native Method)
  19746. at sun.nio.ch.Net.connect(Net.java:454)
  19747. at sun.nio.ch.Net.connect(Net.java:446)
  19748. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19749. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19750. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19751. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19752. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19753. 21:42:24.113 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19754. 21:42:24.113 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19755. 21:42:24.114 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19756. java.net.SocketException: Network is unreachable
  19757. at sun.nio.ch.Net.connect0(Native Method)
  19758. at sun.nio.ch.Net.connect(Net.java:454)
  19759. at sun.nio.ch.Net.connect(Net.java:446)
  19760. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19761. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19762. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19763. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19764. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19765. 21:42:25.235 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19766. 21:42:25.236 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19767. 21:42:25.236 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19768. java.net.SocketException: Network is unreachable
  19769. at sun.nio.ch.Net.connect0(Native Method)
  19770. at sun.nio.ch.Net.connect(Net.java:454)
  19771. at sun.nio.ch.Net.connect(Net.java:446)
  19772. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19773. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19774. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19775. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19776. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19777. 21:42:26.349 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19778. 21:42:26.350 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19779. 21:42:26.350 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19780. java.net.SocketException: Network is unreachable
  19781. at sun.nio.ch.Net.connect0(Native Method)
  19782. at sun.nio.ch.Net.connect(Net.java:454)
  19783. at sun.nio.ch.Net.connect(Net.java:446)
  19784. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19785. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19786. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19787. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19788. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19789. 21:42:27.459 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19790. 21:42:27.460 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19791. 21:42:27.460 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19792. java.net.SocketException: Network is unreachable
  19793. at sun.nio.ch.Net.connect0(Native Method)
  19794. at sun.nio.ch.Net.connect(Net.java:454)
  19795. at sun.nio.ch.Net.connect(Net.java:446)
  19796. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19797. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19798. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19799. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19800. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19801. 21:42:28.569 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19802. 21:42:28.570 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19803. 21:42:28.570 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19804. java.net.SocketException: Network is unreachable
  19805. at sun.nio.ch.Net.connect0(Native Method)
  19806. at sun.nio.ch.Net.connect(Net.java:454)
  19807. at sun.nio.ch.Net.connect(Net.java:446)
  19808. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19809. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19810. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19811. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19812. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19813. 21:42:29.685 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19814. 21:42:29.686 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19815. 21:42:29.686 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19816. java.net.SocketException: Network is unreachable
  19817. at sun.nio.ch.Net.connect0(Native Method)
  19818. at sun.nio.ch.Net.connect(Net.java:454)
  19819. at sun.nio.ch.Net.connect(Net.java:446)
  19820. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19821. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19822. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19823. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19824. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19825. 21:42:30.805 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19826. 21:42:30.805 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19827. 21:42:30.806 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19828. java.net.SocketException: Network is unreachable
  19829. at sun.nio.ch.Net.connect0(Native Method)
  19830. at sun.nio.ch.Net.connect(Net.java:454)
  19831. at sun.nio.ch.Net.connect(Net.java:446)
  19832. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19833. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19834. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19835. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19836. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19837. 21:42:31.915 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19838. 21:42:31.915 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19839. 21:42:31.915 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19840. java.net.SocketException: Network is unreachable
  19841. at sun.nio.ch.Net.connect0(Native Method)
  19842. at sun.nio.ch.Net.connect(Net.java:454)
  19843. at sun.nio.ch.Net.connect(Net.java:446)
  19844. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19845. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19846. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19847. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19848. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19849. 21:42:33.034 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19850. 21:42:33.034 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19851. 21:42:33.035 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19852. java.net.SocketException: Network is unreachable
  19853. at sun.nio.ch.Net.connect0(Native Method)
  19854. at sun.nio.ch.Net.connect(Net.java:454)
  19855. at sun.nio.ch.Net.connect(Net.java:446)
  19856. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19857. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19858. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19859. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19860. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19861. 21:42:34.150 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19862. 21:42:34.179 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19863. 21:42:34.180 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19864. java.net.SocketException: Network is unreachable
  19865. at sun.nio.ch.Net.connect0(Native Method)
  19866. at sun.nio.ch.Net.connect(Net.java:454)
  19867. at sun.nio.ch.Net.connect(Net.java:446)
  19868. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19869. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19870. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19871. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19872. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19873. 21:42:35.293 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19874. 21:42:35.293 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19875. 21:42:35.294 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19876. java.net.SocketException: Network is unreachable
  19877. at sun.nio.ch.Net.connect0(Native Method)
  19878. at sun.nio.ch.Net.connect(Net.java:454)
  19879. at sun.nio.ch.Net.connect(Net.java:446)
  19880. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19881. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19882. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19883. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19884. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19885. 21:42:36.406 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19886. 21:42:36.406 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19887. 21:42:36.407 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19888. java.net.SocketException: Network is unreachable
  19889. at sun.nio.ch.Net.connect0(Native Method)
  19890. at sun.nio.ch.Net.connect(Net.java:454)
  19891. at sun.nio.ch.Net.connect(Net.java:446)
  19892. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19893. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19894. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19895. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19896. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19897. 21:42:37.525 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19898. 21:42:37.526 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19899. 21:42:37.527 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19900. java.net.SocketException: Network is unreachable
  19901. at sun.nio.ch.Net.connect0(Native Method)
  19902. at sun.nio.ch.Net.connect(Net.java:454)
  19903. at sun.nio.ch.Net.connect(Net.java:446)
  19904. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19905. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19906. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19907. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19908. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19909. 22:14:40.500 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19910. 22:14:40.500 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19911. 22:14:40.501 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19912. java.net.SocketException: Network is unreachable
  19913. at sun.nio.ch.Net.connect0(Native Method)
  19914. at sun.nio.ch.Net.connect(Net.java:454)
  19915. at sun.nio.ch.Net.connect(Net.java:446)
  19916. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19917. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19918. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19919. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19920. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19921. 22:14:41.617 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19922. 22:14:41.618 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19923. 22:14:41.618 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19924. java.net.SocketException: Network is unreachable
  19925. at sun.nio.ch.Net.connect0(Native Method)
  19926. at sun.nio.ch.Net.connect(Net.java:454)
  19927. at sun.nio.ch.Net.connect(Net.java:446)
  19928. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19929. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19930. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19931. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19932. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19933. 22:14:42.726 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19934. 22:14:42.726 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19935. 22:14:42.726 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19936. java.net.SocketException: Network is unreachable
  19937. at sun.nio.ch.Net.connect0(Native Method)
  19938. at sun.nio.ch.Net.connect(Net.java:454)
  19939. at sun.nio.ch.Net.connect(Net.java:446)
  19940. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19941. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19942. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19943. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19944. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19945. 22:14:43.843 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19946. 22:14:43.843 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19947. 22:14:43.843 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19948. java.net.SocketException: Network is unreachable
  19949. at sun.nio.ch.Net.connect0(Native Method)
  19950. at sun.nio.ch.Net.connect(Net.java:454)
  19951. at sun.nio.ch.Net.connect(Net.java:446)
  19952. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19953. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19954. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19955. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19956. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19957. 22:14:44.956 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19958. 22:14:44.956 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19959. 22:14:44.956 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19960. java.net.SocketException: Network is unreachable
  19961. at sun.nio.ch.Net.connect0(Native Method)
  19962. at sun.nio.ch.Net.connect(Net.java:454)
  19963. at sun.nio.ch.Net.connect(Net.java:446)
  19964. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19965. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19966. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19967. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19968. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19969. 22:14:46.068 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19970. 22:14:46.069 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19971. 22:14:46.069 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19972. java.net.SocketException: Network is unreachable
  19973. at sun.nio.ch.Net.connect0(Native Method)
  19974. at sun.nio.ch.Net.connect(Net.java:454)
  19975. at sun.nio.ch.Net.connect(Net.java:446)
  19976. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19977. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19978. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19979. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19980. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19981. 22:14:47.179 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19982. 22:14:47.180 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19983. 22:14:47.180 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19984. java.net.SocketException: Network is unreachable
  19985. at sun.nio.ch.Net.connect0(Native Method)
  19986. at sun.nio.ch.Net.connect(Net.java:454)
  19987. at sun.nio.ch.Net.connect(Net.java:446)
  19988. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  19989. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  19990. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  19991. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  19992. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  19993. 22:14:48.290 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  19994. 22:14:48.290 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  19995. 22:14:48.291 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  19996. java.net.SocketException: Network is unreachable
  19997. at sun.nio.ch.Net.connect0(Native Method)
  19998. at sun.nio.ch.Net.connect(Net.java:454)
  19999. at sun.nio.ch.Net.connect(Net.java:446)
  20000. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20001. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20002. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20003. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20004. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20005. 22:14:49.410 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20006. 22:14:49.410 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20007. 22:14:49.410 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20008. java.net.SocketException: Network is unreachable
  20009. at sun.nio.ch.Net.connect0(Native Method)
  20010. at sun.nio.ch.Net.connect(Net.java:454)
  20011. at sun.nio.ch.Net.connect(Net.java:446)
  20012. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20013. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20014. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20015. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20016. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20017. 22:14:50.514 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20018. 22:14:50.515 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20019. 22:14:50.515 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20020. java.net.SocketException: Network is unreachable
  20021. at sun.nio.ch.Net.connect0(Native Method)
  20022. at sun.nio.ch.Net.connect(Net.java:454)
  20023. at sun.nio.ch.Net.connect(Net.java:446)
  20024. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20025. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20026. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20027. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20028. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20029. 22:14:51.632 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20030. 22:14:51.632 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20031. 22:14:51.633 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20032. java.net.SocketException: Network is unreachable
  20033. at sun.nio.ch.Net.connect0(Native Method)
  20034. at sun.nio.ch.Net.connect(Net.java:454)
  20035. at sun.nio.ch.Net.connect(Net.java:446)
  20036. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20037. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20038. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20039. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20040. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20041. 22:14:52.751 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20042. 22:14:52.751 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20043. 22:14:52.758 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20044. java.net.SocketException: Network is unreachable
  20045. at sun.nio.ch.Net.connect0(Native Method)
  20046. at sun.nio.ch.Net.connect(Net.java:454)
  20047. at sun.nio.ch.Net.connect(Net.java:446)
  20048. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20049. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20050. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20051. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20052. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20053. 22:14:53.873 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20054. 22:14:53.873 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20055. 22:14:53.874 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20056. java.net.SocketException: Network is unreachable
  20057. at sun.nio.ch.Net.connect0(Native Method)
  20058. at sun.nio.ch.Net.connect(Net.java:454)
  20059. at sun.nio.ch.Net.connect(Net.java:446)
  20060. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20061. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20062. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20063. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20064. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20065. 22:14:54.985 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20066. 22:14:54.986 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20067. 22:14:54.989 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20068. java.net.SocketException: Network is unreachable
  20069. at sun.nio.ch.Net.connect0(Native Method)
  20070. at sun.nio.ch.Net.connect(Net.java:454)
  20071. at sun.nio.ch.Net.connect(Net.java:446)
  20072. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20073. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20074. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20075. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20076. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20077. 22:14:56.107 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20078. 22:14:56.108 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20079. 22:14:56.108 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20080. java.net.SocketException: Network is unreachable
  20081. at sun.nio.ch.Net.connect0(Native Method)
  20082. at sun.nio.ch.Net.connect(Net.java:454)
  20083. at sun.nio.ch.Net.connect(Net.java:446)
  20084. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20085. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20086. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20087. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20088. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20089. 22:14:57.213 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20090. 22:14:57.214 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20091. 22:14:57.214 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20092. java.net.SocketException: Network is unreachable
  20093. at sun.nio.ch.Net.connect0(Native Method)
  20094. at sun.nio.ch.Net.connect(Net.java:454)
  20095. at sun.nio.ch.Net.connect(Net.java:446)
  20096. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20097. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20098. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20099. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20100. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20101. 22:14:58.331 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20102. 22:14:58.332 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20103. 22:14:58.332 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20104. java.net.SocketException: Network is unreachable
  20105. at sun.nio.ch.Net.connect0(Native Method)
  20106. at sun.nio.ch.Net.connect(Net.java:454)
  20107. at sun.nio.ch.Net.connect(Net.java:446)
  20108. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20109. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20110. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20111. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20112. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20113. 22:14:59.446 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20114. 22:14:59.447 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20115. 22:14:59.447 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20116. java.net.SocketException: Network is unreachable
  20117. at sun.nio.ch.Net.connect0(Native Method)
  20118. at sun.nio.ch.Net.connect(Net.java:454)
  20119. at sun.nio.ch.Net.connect(Net.java:446)
  20120. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20121. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20122. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20123. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20124. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20125. 22:15:00.561 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20126. 22:15:00.561 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20127. 22:15:00.562 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20128. java.net.SocketException: Network is unreachable
  20129. at sun.nio.ch.Net.connect0(Native Method)
  20130. at sun.nio.ch.Net.connect(Net.java:454)
  20131. at sun.nio.ch.Net.connect(Net.java:446)
  20132. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20133. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20134. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20135. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20136. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20137. 22:15:01.677 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20138. 22:15:01.677 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20139. 22:15:01.678 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20140. java.net.SocketException: Network is unreachable
  20141. at sun.nio.ch.Net.connect0(Native Method)
  20142. at sun.nio.ch.Net.connect(Net.java:454)
  20143. at sun.nio.ch.Net.connect(Net.java:446)
  20144. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20145. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20146. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20147. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20148. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20149. 22:15:02.788 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20150. 22:15:02.789 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20151. 22:15:02.789 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20152. java.net.SocketException: Network is unreachable
  20153. at sun.nio.ch.Net.connect0(Native Method)
  20154. at sun.nio.ch.Net.connect(Net.java:454)
  20155. at sun.nio.ch.Net.connect(Net.java:446)
  20156. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20157. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20158. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20159. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20160. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20161. 22:15:03.905 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20162. 22:15:03.905 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20163. 22:15:03.906 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20164. java.net.SocketException: Network is unreachable
  20165. at sun.nio.ch.Net.connect0(Native Method)
  20166. at sun.nio.ch.Net.connect(Net.java:454)
  20167. at sun.nio.ch.Net.connect(Net.java:446)
  20168. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20169. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20170. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20171. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20172. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20173. 22:15:05.021 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20174. 22:15:05.022 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20175. 22:15:05.022 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20176. java.net.SocketException: Network is unreachable
  20177. at sun.nio.ch.Net.connect0(Native Method)
  20178. at sun.nio.ch.Net.connect(Net.java:454)
  20179. at sun.nio.ch.Net.connect(Net.java:446)
  20180. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20181. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20182. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20183. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20184. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20185. 22:15:06.137 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20186. 22:15:06.139 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20187. 22:15:06.140 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20188. java.net.SocketException: Network is unreachable
  20189. at sun.nio.ch.Net.connect0(Native Method)
  20190. at sun.nio.ch.Net.connect(Net.java:454)
  20191. at sun.nio.ch.Net.connect(Net.java:446)
  20192. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20193. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20194. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20195. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20196. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20197. 22:15:07.246 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20198. 22:15:07.247 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20199. 22:15:07.247 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20200. java.net.SocketException: Network is unreachable
  20201. at sun.nio.ch.Net.connect0(Native Method)
  20202. at sun.nio.ch.Net.connect(Net.java:454)
  20203. at sun.nio.ch.Net.connect(Net.java:446)
  20204. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20205. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20206. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20207. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20208. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20209. 22:15:08.367 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20210. 22:15:08.368 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20211. 22:15:08.368 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20212. java.net.SocketException: Network is unreachable
  20213. at sun.nio.ch.Net.connect0(Native Method)
  20214. at sun.nio.ch.Net.connect(Net.java:454)
  20215. at sun.nio.ch.Net.connect(Net.java:446)
  20216. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20217. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20218. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20219. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20220. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20221. 22:15:09.479 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20222. 22:15:09.479 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20223. 22:15:09.482 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20224. java.net.SocketException: Network is unreachable
  20225. at sun.nio.ch.Net.connect0(Native Method)
  20226. at sun.nio.ch.Net.connect(Net.java:454)
  20227. at sun.nio.ch.Net.connect(Net.java:446)
  20228. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20229. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20230. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20231. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20232. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20233. 22:15:10.599 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20234. 22:15:10.600 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20235. 22:15:10.600 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20236. java.net.SocketException: Network is unreachable
  20237. at sun.nio.ch.Net.connect0(Native Method)
  20238. at sun.nio.ch.Net.connect(Net.java:454)
  20239. at sun.nio.ch.Net.connect(Net.java:446)
  20240. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20241. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20242. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20243. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20244. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20245. 22:15:11.713 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20246. 22:15:11.714 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20247. 22:15:11.714 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20248. java.net.SocketException: Network is unreachable
  20249. at sun.nio.ch.Net.connect0(Native Method)
  20250. at sun.nio.ch.Net.connect(Net.java:454)
  20251. at sun.nio.ch.Net.connect(Net.java:446)
  20252. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20253. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20254. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20255. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20256. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20257. 22:15:12.817 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20258. 22:15:12.818 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20259. 22:15:12.818 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20260. java.net.SocketException: Network is unreachable
  20261. at sun.nio.ch.Net.connect0(Native Method)
  20262. at sun.nio.ch.Net.connect(Net.java:454)
  20263. at sun.nio.ch.Net.connect(Net.java:446)
  20264. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20265. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20266. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20267. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20268. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20269. 22:15:13.935 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20270. 22:15:13.935 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20271. 22:15:13.936 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20272. java.net.SocketException: Network is unreachable
  20273. at sun.nio.ch.Net.connect0(Native Method)
  20274. at sun.nio.ch.Net.connect(Net.java:454)
  20275. at sun.nio.ch.Net.connect(Net.java:446)
  20276. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20277. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20278. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20279. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20280. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20281. 22:15:15.051 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20282. 22:15:15.052 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20283. 22:15:15.052 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20284. java.net.SocketException: Network is unreachable
  20285. at sun.nio.ch.Net.connect0(Native Method)
  20286. at sun.nio.ch.Net.connect(Net.java:454)
  20287. at sun.nio.ch.Net.connect(Net.java:446)
  20288. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20289. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20290. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20291. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20292. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20293. 22:15:16.164 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20294. 22:15:16.167 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20295. 22:15:16.167 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20296. java.net.SocketException: Network is unreachable
  20297. at sun.nio.ch.Net.connect0(Native Method)
  20298. at sun.nio.ch.Net.connect(Net.java:454)
  20299. at sun.nio.ch.Net.connect(Net.java:446)
  20300. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20301. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20302. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20303. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20304. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20305. 22:15:17.285 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20306. 22:15:17.285 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20307. 22:15:17.286 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20308. java.net.SocketException: Network is unreachable
  20309. at sun.nio.ch.Net.connect0(Native Method)
  20310. at sun.nio.ch.Net.connect(Net.java:454)
  20311. at sun.nio.ch.Net.connect(Net.java:446)
  20312. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20313. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20314. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20315. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20316. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20317. 22:15:18.403 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20318. 22:15:18.404 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20319. 22:15:18.404 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20320. java.net.SocketException: Network is unreachable
  20321. at sun.nio.ch.Net.connect0(Native Method)
  20322. at sun.nio.ch.Net.connect(Net.java:454)
  20323. at sun.nio.ch.Net.connect(Net.java:446)
  20324. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20325. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20326. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20327. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20328. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20329. 22:15:19.513 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20330. 22:15:19.514 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20331. 22:15:19.514 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20332. java.net.SocketException: Network is unreachable
  20333. at sun.nio.ch.Net.connect0(Native Method)
  20334. at sun.nio.ch.Net.connect(Net.java:454)
  20335. at sun.nio.ch.Net.connect(Net.java:446)
  20336. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20337. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20338. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20339. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20340. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20341. 22:15:20.625 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20342. 22:15:20.626 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20343. 22:15:20.626 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20344. java.net.SocketException: Network is unreachable
  20345. at sun.nio.ch.Net.connect0(Native Method)
  20346. at sun.nio.ch.Net.connect(Net.java:454)
  20347. at sun.nio.ch.Net.connect(Net.java:446)
  20348. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20349. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20350. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20351. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20352. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20353. 22:15:21.729 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20354. 22:15:21.729 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20355. 22:15:21.730 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20356. java.net.SocketException: Network is unreachable
  20357. at sun.nio.ch.Net.connect0(Native Method)
  20358. at sun.nio.ch.Net.connect(Net.java:454)
  20359. at sun.nio.ch.Net.connect(Net.java:446)
  20360. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20361. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20362. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20363. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20364. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20365. 22:15:22.843 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20366. 22:15:22.844 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20367. 22:15:22.844 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20368. java.net.SocketException: Network is unreachable
  20369. at sun.nio.ch.Net.connect0(Native Method)
  20370. at sun.nio.ch.Net.connect(Net.java:454)
  20371. at sun.nio.ch.Net.connect(Net.java:446)
  20372. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20373. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20374. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20375. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20376. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20377. 22:15:23.962 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20378. 22:15:23.962 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20379. 22:15:23.963 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20380. java.net.SocketException: Network is unreachable
  20381. at sun.nio.ch.Net.connect0(Native Method)
  20382. at sun.nio.ch.Net.connect(Net.java:454)
  20383. at sun.nio.ch.Net.connect(Net.java:446)
  20384. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20385. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20386. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20387. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20388. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20389. 22:15:25.077 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20390. 22:15:25.077 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20391. 22:15:25.078 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20392. java.net.SocketException: Network is unreachable
  20393. at sun.nio.ch.Net.connect0(Native Method)
  20394. at sun.nio.ch.Net.connect(Net.java:454)
  20395. at sun.nio.ch.Net.connect(Net.java:446)
  20396. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20397. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20398. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20399. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20400. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20401. 22:15:26.193 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20402. 22:15:26.194 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20403. 22:15:26.194 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20404. java.net.SocketException: Network is unreachable
  20405. at sun.nio.ch.Net.connect0(Native Method)
  20406. at sun.nio.ch.Net.connect(Net.java:454)
  20407. at sun.nio.ch.Net.connect(Net.java:446)
  20408. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20409. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20410. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20411. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20412. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20413. 22:15:27.305 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20414. 22:15:27.306 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20415. 22:15:27.306 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20416. java.net.SocketException: Network is unreachable
  20417. at sun.nio.ch.Net.connect0(Native Method)
  20418. at sun.nio.ch.Net.connect(Net.java:454)
  20419. at sun.nio.ch.Net.connect(Net.java:446)
  20420. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20421. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20422. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20423. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20424. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20425. 22:15:28.428 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20426. 22:15:28.429 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20427. 22:15:28.429 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20428. java.net.SocketException: Network is unreachable
  20429. at sun.nio.ch.Net.connect0(Native Method)
  20430. at sun.nio.ch.Net.connect(Net.java:454)
  20431. at sun.nio.ch.Net.connect(Net.java:446)
  20432. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20433. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20434. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20435. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20436. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20437. 22:15:29.538 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20438. 22:15:29.538 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20439. 22:15:29.539 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20440. java.net.SocketException: Network is unreachable
  20441. at sun.nio.ch.Net.connect0(Native Method)
  20442. at sun.nio.ch.Net.connect(Net.java:454)
  20443. at sun.nio.ch.Net.connect(Net.java:446)
  20444. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20445. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20446. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20447. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20448. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20449. 22:51:39.499 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20450. 22:51:39.500 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20451. 22:51:39.501 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20452. java.net.SocketException: Network is unreachable
  20453. at sun.nio.ch.Net.connect0(Native Method)
  20454. at sun.nio.ch.Net.connect(Net.java:454)
  20455. at sun.nio.ch.Net.connect(Net.java:446)
  20456. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20457. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20458. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20459. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20460. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20461. 22:51:40.610 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20462. 22:51:40.610 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20463. 22:51:40.610 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20464. java.net.SocketException: Network is unreachable
  20465. at sun.nio.ch.Net.connect0(Native Method)
  20466. at sun.nio.ch.Net.connect(Net.java:454)
  20467. at sun.nio.ch.Net.connect(Net.java:446)
  20468. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20469. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20470. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20471. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20472. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20473. 22:51:41.725 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20474. 22:51:41.726 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20475. 22:51:41.726 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20476. java.net.SocketException: Network is unreachable
  20477. at sun.nio.ch.Net.connect0(Native Method)
  20478. at sun.nio.ch.Net.connect(Net.java:454)
  20479. at sun.nio.ch.Net.connect(Net.java:446)
  20480. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20481. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20482. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20483. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20484. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20485. 22:51:42.838 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20486. 22:51:42.838 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20487. 22:51:42.838 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20488. java.net.SocketException: Network is unreachable
  20489. at sun.nio.ch.Net.connect0(Native Method)
  20490. at sun.nio.ch.Net.connect(Net.java:454)
  20491. at sun.nio.ch.Net.connect(Net.java:446)
  20492. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20493. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20494. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20495. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20496. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20497. 22:51:43.945 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20498. 22:51:43.946 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20499. 22:51:43.946 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20500. java.net.SocketException: Network is unreachable
  20501. at sun.nio.ch.Net.connect0(Native Method)
  20502. at sun.nio.ch.Net.connect(Net.java:454)
  20503. at sun.nio.ch.Net.connect(Net.java:446)
  20504. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20505. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20506. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20507. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20508. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20509. 22:51:45.065 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20510. 22:51:45.065 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20511. 22:51:45.065 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20512. java.net.SocketException: Network is unreachable
  20513. at sun.nio.ch.Net.connect0(Native Method)
  20514. at sun.nio.ch.Net.connect(Net.java:454)
  20515. at sun.nio.ch.Net.connect(Net.java:446)
  20516. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20517. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20518. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20519. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20520. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20521. 22:51:46.171 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20522. 22:51:46.172 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20523. 22:51:46.172 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20524. java.net.SocketException: Network is unreachable
  20525. at sun.nio.ch.Net.connect0(Native Method)
  20526. at sun.nio.ch.Net.connect(Net.java:454)
  20527. at sun.nio.ch.Net.connect(Net.java:446)
  20528. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20529. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20530. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20531. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20532. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20533. 22:51:47.282 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20534. 22:51:47.282 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20535. 22:51:47.283 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20536. java.net.SocketException: Network is unreachable
  20537. at sun.nio.ch.Net.connect0(Native Method)
  20538. at sun.nio.ch.Net.connect(Net.java:454)
  20539. at sun.nio.ch.Net.connect(Net.java:446)
  20540. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20541. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20542. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20543. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20544. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20545. 22:51:48.394 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20546. 22:51:48.395 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20547. 22:51:48.395 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20548. java.net.SocketException: Network is unreachable
  20549. at sun.nio.ch.Net.connect0(Native Method)
  20550. at sun.nio.ch.Net.connect(Net.java:454)
  20551. at sun.nio.ch.Net.connect(Net.java:446)
  20552. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20553. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20554. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20555. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20556. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20557. 22:51:49.511 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20558. 22:51:49.517 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20559. 22:51:49.518 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20560. java.net.SocketException: Network is unreachable
  20561. at sun.nio.ch.Net.connect0(Native Method)
  20562. at sun.nio.ch.Net.connect(Net.java:454)
  20563. at sun.nio.ch.Net.connect(Net.java:446)
  20564. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20565. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20566. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20567. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20568. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20569. 22:51:50.629 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20570. 22:51:50.629 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20571. 22:51:50.630 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20572. java.net.SocketException: Network is unreachable
  20573. at sun.nio.ch.Net.connect0(Native Method)
  20574. at sun.nio.ch.Net.connect(Net.java:454)
  20575. at sun.nio.ch.Net.connect(Net.java:446)
  20576. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20577. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20578. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20579. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20580. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20581. 22:51:51.749 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20582. 22:51:51.750 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20583. 22:51:51.750 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20584. java.net.SocketException: Network is unreachable
  20585. at sun.nio.ch.Net.connect0(Native Method)
  20586. at sun.nio.ch.Net.connect(Net.java:454)
  20587. at sun.nio.ch.Net.connect(Net.java:446)
  20588. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20589. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20590. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20591. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20592. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20593. 22:51:52.866 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20594. 22:51:52.866 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20595. 22:51:52.867 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20596. java.net.SocketException: Network is unreachable
  20597. at sun.nio.ch.Net.connect0(Native Method)
  20598. at sun.nio.ch.Net.connect(Net.java:454)
  20599. at sun.nio.ch.Net.connect(Net.java:446)
  20600. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20601. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20602. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20603. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20604. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20605. 22:51:53.977 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20606. 22:51:53.978 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20607. 22:51:53.978 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20608. java.net.SocketException: Network is unreachable
  20609. at sun.nio.ch.Net.connect0(Native Method)
  20610. at sun.nio.ch.Net.connect(Net.java:454)
  20611. at sun.nio.ch.Net.connect(Net.java:446)
  20612. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20613. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20614. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20615. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20616. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20617. 22:51:55.097 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20618. 22:51:55.097 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20619. 22:51:55.098 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20620. java.net.SocketException: Network is unreachable
  20621. at sun.nio.ch.Net.connect0(Native Method)
  20622. at sun.nio.ch.Net.connect(Net.java:454)
  20623. at sun.nio.ch.Net.connect(Net.java:446)
  20624. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20625. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20626. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20627. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20628. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20629. 22:51:56.208 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20630. 22:51:56.209 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20631. 22:51:56.209 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20632. java.net.SocketException: Network is unreachable
  20633. at sun.nio.ch.Net.connect0(Native Method)
  20634. at sun.nio.ch.Net.connect(Net.java:454)
  20635. at sun.nio.ch.Net.connect(Net.java:446)
  20636. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20637. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20638. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20639. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20640. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20641. 22:51:57.326 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20642. 22:51:57.326 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20643. 22:51:57.327 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20644. java.net.SocketException: Network is unreachable
  20645. at sun.nio.ch.Net.connect0(Native Method)
  20646. at sun.nio.ch.Net.connect(Net.java:454)
  20647. at sun.nio.ch.Net.connect(Net.java:446)
  20648. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20649. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20650. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20651. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20652. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20653. 22:51:58.442 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20654. 22:51:58.443 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20655. 22:51:58.443 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20656. java.net.SocketException: Network is unreachable
  20657. at sun.nio.ch.Net.connect0(Native Method)
  20658. at sun.nio.ch.Net.connect(Net.java:454)
  20659. at sun.nio.ch.Net.connect(Net.java:446)
  20660. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20661. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20662. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20663. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20664. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20665. 22:51:59.557 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20666. 22:51:59.557 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20667. 22:51:59.558 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20668. java.net.SocketException: Network is unreachable
  20669. at sun.nio.ch.Net.connect0(Native Method)
  20670. at sun.nio.ch.Net.connect(Net.java:454)
  20671. at sun.nio.ch.Net.connect(Net.java:446)
  20672. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20673. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20674. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20675. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20676. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20677. 22:52:00.676 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20678. 22:52:00.677 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20679. 22:52:00.677 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20680. java.net.SocketException: Network is unreachable
  20681. at sun.nio.ch.Net.connect0(Native Method)
  20682. at sun.nio.ch.Net.connect(Net.java:454)
  20683. at sun.nio.ch.Net.connect(Net.java:446)
  20684. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20685. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20686. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20687. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20688. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20689. 22:52:01.792 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20690. 22:52:01.793 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20691. 22:52:01.793 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20692. java.net.SocketException: Network is unreachable
  20693. at sun.nio.ch.Net.connect0(Native Method)
  20694. at sun.nio.ch.Net.connect(Net.java:454)
  20695. at sun.nio.ch.Net.connect(Net.java:446)
  20696. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20697. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20698. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20699. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20700. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20701. 22:52:02.904 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20702. 22:52:02.905 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20703. 22:52:02.905 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20704. java.net.SocketException: Network is unreachable
  20705. at sun.nio.ch.Net.connect0(Native Method)
  20706. at sun.nio.ch.Net.connect(Net.java:454)
  20707. at sun.nio.ch.Net.connect(Net.java:446)
  20708. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20709. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20710. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20711. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20712. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20713. 22:52:04.017 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20714. 22:52:04.018 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20715. 22:52:04.018 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20716. java.net.SocketException: Network is unreachable
  20717. at sun.nio.ch.Net.connect0(Native Method)
  20718. at sun.nio.ch.Net.connect(Net.java:454)
  20719. at sun.nio.ch.Net.connect(Net.java:446)
  20720. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20721. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20722. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20723. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20724. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20725. 22:52:05.135 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20726. 22:52:05.137 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20727. 22:52:05.138 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20728. java.net.SocketException: Network is unreachable
  20729. at sun.nio.ch.Net.connect0(Native Method)
  20730. at sun.nio.ch.Net.connect(Net.java:454)
  20731. at sun.nio.ch.Net.connect(Net.java:446)
  20732. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20733. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20734. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20735. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20736. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20737. 22:52:06.252 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20738. 22:52:06.253 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20739. 22:52:06.253 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20740. java.net.SocketException: Network is unreachable
  20741. at sun.nio.ch.Net.connect0(Native Method)
  20742. at sun.nio.ch.Net.connect(Net.java:454)
  20743. at sun.nio.ch.Net.connect(Net.java:446)
  20744. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20745. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20746. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20747. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20748. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20749. 22:52:07.362 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20750. 22:52:07.363 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20751. 22:52:07.363 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20752. java.net.SocketException: Network is unreachable
  20753. at sun.nio.ch.Net.connect0(Native Method)
  20754. at sun.nio.ch.Net.connect(Net.java:454)
  20755. at sun.nio.ch.Net.connect(Net.java:446)
  20756. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20757. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20758. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20759. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20760. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20761. 22:52:08.476 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20762. 22:52:08.479 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20763. 22:52:08.480 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20764. java.net.SocketException: Network is unreachable
  20765. at sun.nio.ch.Net.connect0(Native Method)
  20766. at sun.nio.ch.Net.connect(Net.java:454)
  20767. at sun.nio.ch.Net.connect(Net.java:446)
  20768. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20769. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20770. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20771. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20772. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20773. 22:52:09.592 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20774. 22:52:09.593 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20775. 22:52:09.593 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20776. java.net.SocketException: Network is unreachable
  20777. at sun.nio.ch.Net.connect0(Native Method)
  20778. at sun.nio.ch.Net.connect(Net.java:454)
  20779. at sun.nio.ch.Net.connect(Net.java:446)
  20780. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20781. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20782. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20783. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20784. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20785. 22:52:10.708 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20786. 22:52:10.709 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20787. 22:52:10.709 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20788. java.net.SocketException: Network is unreachable
  20789. at sun.nio.ch.Net.connect0(Native Method)
  20790. at sun.nio.ch.Net.connect(Net.java:454)
  20791. at sun.nio.ch.Net.connect(Net.java:446)
  20792. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20793. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20794. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20795. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20796. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20797. 22:52:11.826 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20798. 22:52:11.827 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20799. 22:52:11.827 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20800. java.net.SocketException: Network is unreachable
  20801. at sun.nio.ch.Net.connect0(Native Method)
  20802. at sun.nio.ch.Net.connect(Net.java:454)
  20803. at sun.nio.ch.Net.connect(Net.java:446)
  20804. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20805. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20806. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20807. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20808. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20809. 22:52:12.942 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20810. 22:52:12.943 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20811. 22:52:12.943 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20812. java.net.SocketException: Network is unreachable
  20813. at sun.nio.ch.Net.connect0(Native Method)
  20814. at sun.nio.ch.Net.connect(Net.java:454)
  20815. at sun.nio.ch.Net.connect(Net.java:446)
  20816. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20817. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20818. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20819. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20820. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20821. 22:52:14.053 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20822. 22:52:14.054 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20823. 22:52:14.054 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20824. java.net.SocketException: Network is unreachable
  20825. at sun.nio.ch.Net.connect0(Native Method)
  20826. at sun.nio.ch.Net.connect(Net.java:454)
  20827. at sun.nio.ch.Net.connect(Net.java:446)
  20828. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20829. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20830. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20831. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20832. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20833. 22:52:15.162 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20834. 22:52:15.163 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20835. 22:52:15.163 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20836. java.net.SocketException: Network is unreachable
  20837. at sun.nio.ch.Net.connect0(Native Method)
  20838. at sun.nio.ch.Net.connect(Net.java:454)
  20839. at sun.nio.ch.Net.connect(Net.java:446)
  20840. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20841. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20842. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20843. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20844. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20845. 22:52:16.276 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20846. 22:52:16.276 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20847. 22:52:16.277 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20848. java.net.SocketException: Network is unreachable
  20849. at sun.nio.ch.Net.connect0(Native Method)
  20850. at sun.nio.ch.Net.connect(Net.java:454)
  20851. at sun.nio.ch.Net.connect(Net.java:446)
  20852. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20853. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20854. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20855. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20856. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20857. 22:52:17.392 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20858. 22:52:17.393 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20859. 22:52:17.393 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20860. java.net.SocketException: Network is unreachable
  20861. at sun.nio.ch.Net.connect0(Native Method)
  20862. at sun.nio.ch.Net.connect(Net.java:454)
  20863. at sun.nio.ch.Net.connect(Net.java:446)
  20864. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20865. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20866. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20867. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20868. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20869. 22:52:18.514 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20870. 22:52:18.514 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20871. 22:52:18.518 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20872. java.net.SocketException: Network is unreachable
  20873. at sun.nio.ch.Net.connect0(Native Method)
  20874. at sun.nio.ch.Net.connect(Net.java:454)
  20875. at sun.nio.ch.Net.connect(Net.java:446)
  20876. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20877. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20878. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20879. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20880. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20881. 22:52:19.631 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20882. 22:52:19.631 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20883. 22:52:19.632 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20884. java.net.SocketException: Network is unreachable
  20885. at sun.nio.ch.Net.connect0(Native Method)
  20886. at sun.nio.ch.Net.connect(Net.java:454)
  20887. at sun.nio.ch.Net.connect(Net.java:446)
  20888. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20889. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20890. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20891. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20892. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20893. 22:52:20.749 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20894. 22:52:20.750 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20895. 22:52:20.750 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20896. java.net.SocketException: Network is unreachable
  20897. at sun.nio.ch.Net.connect0(Native Method)
  20898. at sun.nio.ch.Net.connect(Net.java:454)
  20899. at sun.nio.ch.Net.connect(Net.java:446)
  20900. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20901. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20902. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20903. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20904. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20905. 22:52:21.861 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20906. 22:52:21.862 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20907. 22:52:21.862 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20908. java.net.SocketException: Network is unreachable
  20909. at sun.nio.ch.Net.connect0(Native Method)
  20910. at sun.nio.ch.Net.connect(Net.java:454)
  20911. at sun.nio.ch.Net.connect(Net.java:446)
  20912. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20913. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20914. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20915. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20916. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20917. 22:52:22.977 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20918. 22:52:22.977 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20919. 22:52:22.978 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20920. java.net.SocketException: Network is unreachable
  20921. at sun.nio.ch.Net.connect0(Native Method)
  20922. at sun.nio.ch.Net.connect(Net.java:454)
  20923. at sun.nio.ch.Net.connect(Net.java:446)
  20924. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20925. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20926. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20927. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20928. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20929. 22:52:24.096 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20930. 22:52:24.096 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20931. 22:52:24.097 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20932. java.net.SocketException: Network is unreachable
  20933. at sun.nio.ch.Net.connect0(Native Method)
  20934. at sun.nio.ch.Net.connect(Net.java:454)
  20935. at sun.nio.ch.Net.connect(Net.java:446)
  20936. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20937. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20938. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20939. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20940. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20941. 22:52:25.212 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20942. 22:52:25.212 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20943. 22:52:25.215 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20944. java.net.SocketException: Network is unreachable
  20945. at sun.nio.ch.Net.connect0(Native Method)
  20946. at sun.nio.ch.Net.connect(Net.java:454)
  20947. at sun.nio.ch.Net.connect(Net.java:446)
  20948. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20949. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20950. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20951. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20952. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20953. 22:52:26.330 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20954. 22:52:26.331 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20955. 22:52:26.331 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20956. java.net.SocketException: Network is unreachable
  20957. at sun.nio.ch.Net.connect0(Native Method)
  20958. at sun.nio.ch.Net.connect(Net.java:454)
  20959. at sun.nio.ch.Net.connect(Net.java:446)
  20960. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20961. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20962. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20963. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20964. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20965. 22:52:27.442 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20966. 22:52:27.446 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20967. 22:52:27.446 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20968. java.net.SocketException: Network is unreachable
  20969. at sun.nio.ch.Net.connect0(Native Method)
  20970. at sun.nio.ch.Net.connect(Net.java:454)
  20971. at sun.nio.ch.Net.connect(Net.java:446)
  20972. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20973. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20974. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20975. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20976. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20977. 22:52:28.561 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20978. 22:52:28.562 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20979. 22:52:28.563 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20980. java.net.SocketException: Network is unreachable
  20981. at sun.nio.ch.Net.connect0(Native Method)
  20982. at sun.nio.ch.Net.connect(Net.java:454)
  20983. at sun.nio.ch.Net.connect(Net.java:446)
  20984. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20985. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20986. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20987. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  20988. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  20989. 22:52:29.678 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  20990. 22:52:29.678 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  20991. 22:52:29.681 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  20992. java.net.SocketException: Network is unreachable
  20993. at sun.nio.ch.Net.connect0(Native Method)
  20994. at sun.nio.ch.Net.connect(Net.java:454)
  20995. at sun.nio.ch.Net.connect(Net.java:446)
  20996. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  20997. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  20998. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  20999. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21000. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21001. 22:52:30.798 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21002. 22:52:30.799 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21003. 22:52:30.799 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21004. java.net.SocketException: Network is unreachable
  21005. at sun.nio.ch.Net.connect0(Native Method)
  21006. at sun.nio.ch.Net.connect(Net.java:454)
  21007. at sun.nio.ch.Net.connect(Net.java:446)
  21008. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21009. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21010. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21011. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21012. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21013. 22:52:31.907 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21014. 22:52:31.908 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21015. 22:52:31.908 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21016. java.net.SocketException: Network is unreachable
  21017. at sun.nio.ch.Net.connect0(Native Method)
  21018. at sun.nio.ch.Net.connect(Net.java:454)
  21019. at sun.nio.ch.Net.connect(Net.java:446)
  21020. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21021. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21022. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21023. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21024. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21025. 22:52:33.019 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21026. 22:52:33.019 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21027. 22:52:33.020 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21028. java.net.SocketException: Network is unreachable
  21029. at sun.nio.ch.Net.connect0(Native Method)
  21030. at sun.nio.ch.Net.connect(Net.java:454)
  21031. at sun.nio.ch.Net.connect(Net.java:446)
  21032. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21033. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21034. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21035. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21036. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21037. 22:52:34.136 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21038. 22:52:34.137 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21039. 22:52:34.137 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21040. java.net.SocketException: Network is unreachable
  21041. at sun.nio.ch.Net.connect0(Native Method)
  21042. at sun.nio.ch.Net.connect(Net.java:454)
  21043. at sun.nio.ch.Net.connect(Net.java:446)
  21044. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21045. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21046. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21047. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21048. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21049. 22:52:35.252 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21050. 22:52:35.252 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21051. 22:52:35.253 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21052. java.net.SocketException: Network is unreachable
  21053. at sun.nio.ch.Net.connect0(Native Method)
  21054. at sun.nio.ch.Net.connect(Net.java:454)
  21055. at sun.nio.ch.Net.connect(Net.java:446)
  21056. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21057. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21058. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21059. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21060. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21061. 22:52:36.363 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21062. 22:52:36.363 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21063. 22:52:36.364 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21064. java.net.SocketException: Network is unreachable
  21065. at sun.nio.ch.Net.connect0(Native Method)
  21066. at sun.nio.ch.Net.connect(Net.java:454)
  21067. at sun.nio.ch.Net.connect(Net.java:446)
  21068. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21069. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21070. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21071. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21072. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21073. 22:52:37.476 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21074. 22:52:37.476 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21075. 22:52:37.477 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21076. java.net.SocketException: Network is unreachable
  21077. at sun.nio.ch.Net.connect0(Native Method)
  21078. at sun.nio.ch.Net.connect(Net.java:454)
  21079. at sun.nio.ch.Net.connect(Net.java:446)
  21080. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21081. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21082. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21083. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21084. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21085. 22:52:38.592 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21086. 22:52:38.593 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21087. 22:52:38.593 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21088. java.net.SocketException: Network is unreachable
  21089. at sun.nio.ch.Net.connect0(Native Method)
  21090. at sun.nio.ch.Net.connect(Net.java:454)
  21091. at sun.nio.ch.Net.connect(Net.java:446)
  21092. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21093. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21094. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21095. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21096. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21097. 22:52:39.711 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21098. 22:52:39.711 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21099. 22:52:39.711 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21100. java.net.SocketException: Network is unreachable
  21101. at sun.nio.ch.Net.connect0(Native Method)
  21102. at sun.nio.ch.Net.connect(Net.java:454)
  21103. at sun.nio.ch.Net.connect(Net.java:446)
  21104. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21105. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21106. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21107. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21108. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21109. 22:52:40.832 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21110. 22:52:40.832 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21111. 22:52:40.833 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21112. java.net.SocketException: Network is unreachable
  21113. at sun.nio.ch.Net.connect0(Native Method)
  21114. at sun.nio.ch.Net.connect(Net.java:454)
  21115. at sun.nio.ch.Net.connect(Net.java:446)
  21116. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21117. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21118. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21119. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21120. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21121. 22:52:41.945 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21122. 22:52:41.946 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21123. 22:52:41.949 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21124. java.net.SocketException: Network is unreachable
  21125. at sun.nio.ch.Net.connect0(Native Method)
  21126. at sun.nio.ch.Net.connect(Net.java:454)
  21127. at sun.nio.ch.Net.connect(Net.java:446)
  21128. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21129. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21130. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21131. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21132. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21133. 22:52:43.070 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21134. 22:52:43.070 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21135. 22:52:43.071 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21136. java.net.SocketException: Network is unreachable
  21137. at sun.nio.ch.Net.connect0(Native Method)
  21138. at sun.nio.ch.Net.connect(Net.java:454)
  21139. at sun.nio.ch.Net.connect(Net.java:446)
  21140. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21141. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21142. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21143. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21144. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21145. 22:52:44.187 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21146. 22:52:44.187 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21147. 22:52:44.188 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21148. java.net.SocketException: Network is unreachable
  21149. at sun.nio.ch.Net.connect0(Native Method)
  21150. at sun.nio.ch.Net.connect(Net.java:454)
  21151. at sun.nio.ch.Net.connect(Net.java:446)
  21152. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21153. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21154. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21155. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21156. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21157. 22:52:45.302 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21158. 22:52:45.303 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21159. 22:52:45.303 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21160. java.net.SocketException: Network is unreachable
  21161. at sun.nio.ch.Net.connect0(Native Method)
  21162. at sun.nio.ch.Net.connect(Net.java:454)
  21163. at sun.nio.ch.Net.connect(Net.java:446)
  21164. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21165. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21166. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21167. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21168. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21169. 22:52:46.411 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21170. 22:52:46.411 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21171. 22:52:46.412 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21172. java.net.SocketException: Network is unreachable
  21173. at sun.nio.ch.Net.connect0(Native Method)
  21174. at sun.nio.ch.Net.connect(Net.java:454)
  21175. at sun.nio.ch.Net.connect(Net.java:446)
  21176. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21177. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21178. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21179. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21180. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21181. 22:52:47.524 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21182. 22:52:47.524 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21183. 22:52:47.525 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21184. java.net.SocketException: Network is unreachable
  21185. at sun.nio.ch.Net.connect0(Native Method)
  21186. at sun.nio.ch.Net.connect(Net.java:454)
  21187. at sun.nio.ch.Net.connect(Net.java:446)
  21188. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21189. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21190. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21191. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21192. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21193. 22:52:48.633 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21194. 22:52:48.634 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21195. 22:52:48.634 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21196. java.net.SocketException: Network is unreachable
  21197. at sun.nio.ch.Net.connect0(Native Method)
  21198. at sun.nio.ch.Net.connect(Net.java:454)
  21199. at sun.nio.ch.Net.connect(Net.java:446)
  21200. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21201. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21202. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21203. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21204. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21205. 22:52:49.754 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21206. 22:52:49.755 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21207. 22:52:49.756 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21208. java.net.SocketException: Network is unreachable
  21209. at sun.nio.ch.Net.connect0(Native Method)
  21210. at sun.nio.ch.Net.connect(Net.java:454)
  21211. at sun.nio.ch.Net.connect(Net.java:446)
  21212. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21213. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21214. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21215. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21216. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21217. 22:52:50.866 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21218. 22:52:50.866 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21219. 22:52:50.867 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21220. java.net.SocketException: Network is unreachable
  21221. at sun.nio.ch.Net.connect0(Native Method)
  21222. at sun.nio.ch.Net.connect(Net.java:454)
  21223. at sun.nio.ch.Net.connect(Net.java:446)
  21224. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21225. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21226. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21227. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21228. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21229. 22:52:51.982 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21230. 22:52:51.982 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21231. 22:52:51.982 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21232. java.net.SocketException: Network is unreachable
  21233. at sun.nio.ch.Net.connect0(Native Method)
  21234. at sun.nio.ch.Net.connect(Net.java:454)
  21235. at sun.nio.ch.Net.connect(Net.java:446)
  21236. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21237. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21238. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21239. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21240. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21241. 22:52:53.100 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21242. 22:52:53.100 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21243. 22:52:53.101 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21244. java.net.SocketException: Network is unreachable
  21245. at sun.nio.ch.Net.connect0(Native Method)
  21246. at sun.nio.ch.Net.connect(Net.java:454)
  21247. at sun.nio.ch.Net.connect(Net.java:446)
  21248. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21249. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21250. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21251. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21252. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21253. 22:52:54.211 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21254. 22:52:54.212 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21255. 22:52:54.212 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21256. java.net.SocketException: Network is unreachable
  21257. at sun.nio.ch.Net.connect0(Native Method)
  21258. at sun.nio.ch.Net.connect(Net.java:454)
  21259. at sun.nio.ch.Net.connect(Net.java:446)
  21260. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21261. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21262. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21263. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21264. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21265. 22:52:55.328 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21266. 22:52:55.328 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21267. 22:52:55.328 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21268. java.net.SocketException: Network is unreachable
  21269. at sun.nio.ch.Net.connect0(Native Method)
  21270. at sun.nio.ch.Net.connect(Net.java:454)
  21271. at sun.nio.ch.Net.connect(Net.java:446)
  21272. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21273. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21274. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21275. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21276. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21277. 22:52:56.437 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21278. 22:52:56.438 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21279. 22:52:56.438 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21280. java.net.SocketException: Network is unreachable
  21281. at sun.nio.ch.Net.connect0(Native Method)
  21282. at sun.nio.ch.Net.connect(Net.java:454)
  21283. at sun.nio.ch.Net.connect(Net.java:446)
  21284. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21285. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21286. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21287. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21288. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21289. 22:52:57.554 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21290. 22:52:57.554 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21291. 22:52:57.555 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21292. java.net.SocketException: Network is unreachable
  21293. at sun.nio.ch.Net.connect0(Native Method)
  21294. at sun.nio.ch.Net.connect(Net.java:454)
  21295. at sun.nio.ch.Net.connect(Net.java:446)
  21296. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21297. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21298. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21299. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21300. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21301. 22:52:58.664 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21302. 22:52:58.664 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21303. 22:52:58.665 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21304. java.net.SocketException: Network is unreachable
  21305. at sun.nio.ch.Net.connect0(Native Method)
  21306. at sun.nio.ch.Net.connect(Net.java:454)
  21307. at sun.nio.ch.Net.connect(Net.java:446)
  21308. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21309. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21310. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21311. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21312. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21313. 22:52:59.770 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21314. 22:52:59.771 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21315. 22:52:59.771 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21316. java.net.SocketException: Network is unreachable
  21317. at sun.nio.ch.Net.connect0(Native Method)
  21318. at sun.nio.ch.Net.connect(Net.java:454)
  21319. at sun.nio.ch.Net.connect(Net.java:446)
  21320. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21321. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21322. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21323. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21324. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21325. 22:53:00.882 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21326. 22:53:00.883 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21327. 22:53:00.883 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21328. java.net.SocketException: Network is unreachable
  21329. at sun.nio.ch.Net.connect0(Native Method)
  21330. at sun.nio.ch.Net.connect(Net.java:454)
  21331. at sun.nio.ch.Net.connect(Net.java:446)
  21332. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21333. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21334. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21335. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21336. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21337. 22:53:02.000 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21338. 22:53:02.002 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21339. 22:53:02.003 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21340. java.net.SocketException: Network is unreachable
  21341. at sun.nio.ch.Net.connect0(Native Method)
  21342. at sun.nio.ch.Net.connect(Net.java:454)
  21343. at sun.nio.ch.Net.connect(Net.java:446)
  21344. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21345. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21346. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21347. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21348. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21349. 22:53:03.120 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21350. 22:53:03.121 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21351. 22:53:03.121 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21352. java.net.SocketException: Network is unreachable
  21353. at sun.nio.ch.Net.connect0(Native Method)
  21354. at sun.nio.ch.Net.connect(Net.java:454)
  21355. at sun.nio.ch.Net.connect(Net.java:446)
  21356. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21357. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21358. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21359. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21360. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21361. 00:05:42.707 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21362. 00:05:42.724 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21363. 00:05:42.724 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21364. java.net.SocketException: Network is unreachable
  21365. at sun.nio.ch.Net.connect0(Native Method)
  21366. at sun.nio.ch.Net.connect(Net.java:454)
  21367. at sun.nio.ch.Net.connect(Net.java:446)
  21368. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21369. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21370. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21371. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21372. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21373. 00:05:43.841 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21374. 00:05:43.841 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21375. 00:05:43.841 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21376. java.net.SocketException: Network is unreachable
  21377. at sun.nio.ch.Net.connect0(Native Method)
  21378. at sun.nio.ch.Net.connect(Net.java:454)
  21379. at sun.nio.ch.Net.connect(Net.java:446)
  21380. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21381. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21382. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21383. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21384. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21385. 00:05:44.956 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21386. 00:05:44.956 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21387. 00:05:44.956 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21388. java.net.SocketException: Network is unreachable
  21389. at sun.nio.ch.Net.connect0(Native Method)
  21390. at sun.nio.ch.Net.connect(Net.java:454)
  21391. at sun.nio.ch.Net.connect(Net.java:446)
  21392. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21393. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21394. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21395. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21396. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21397. 00:05:46.069 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21398. 00:05:46.069 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21399. 00:05:46.069 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21400. java.net.SocketException: Network is unreachable
  21401. at sun.nio.ch.Net.connect0(Native Method)
  21402. at sun.nio.ch.Net.connect(Net.java:454)
  21403. at sun.nio.ch.Net.connect(Net.java:446)
  21404. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21405. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21406. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21407. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21408. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21409. 00:05:47.176 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21410. 00:05:47.176 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21411. 00:05:47.177 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21412. java.net.SocketException: Network is unreachable
  21413. at sun.nio.ch.Net.connect0(Native Method)
  21414. at sun.nio.ch.Net.connect(Net.java:454)
  21415. at sun.nio.ch.Net.connect(Net.java:446)
  21416. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21417. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21418. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21419. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21420. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21421. 00:05:48.293 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21422. 00:05:48.294 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21423. 00:05:48.294 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21424. java.net.SocketException: Network is unreachable
  21425. at sun.nio.ch.Net.connect0(Native Method)
  21426. at sun.nio.ch.Net.connect(Net.java:454)
  21427. at sun.nio.ch.Net.connect(Net.java:446)
  21428. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21429. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21430. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21431. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21432. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21433. 00:05:49.409 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21434. 00:05:49.410 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21435. 00:05:49.410 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21436. java.net.SocketException: Network is unreachable
  21437. at sun.nio.ch.Net.connect0(Native Method)
  21438. at sun.nio.ch.Net.connect(Net.java:454)
  21439. at sun.nio.ch.Net.connect(Net.java:446)
  21440. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21441. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21442. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21443. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21444. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21445. 00:05:50.523 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21446. 00:05:50.524 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21447. 00:05:50.524 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21448. java.net.SocketException: Network is unreachable
  21449. at sun.nio.ch.Net.connect0(Native Method)
  21450. at sun.nio.ch.Net.connect(Net.java:454)
  21451. at sun.nio.ch.Net.connect(Net.java:446)
  21452. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21453. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21454. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21455. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21456. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21457. 00:05:51.644 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21458. 00:05:51.644 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21459. 00:05:51.644 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21460. java.net.SocketException: Network is unreachable
  21461. at sun.nio.ch.Net.connect0(Native Method)
  21462. at sun.nio.ch.Net.connect(Net.java:454)
  21463. at sun.nio.ch.Net.connect(Net.java:446)
  21464. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21465. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21466. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21467. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21468. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21469. 00:05:52.762 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21470. 00:05:52.762 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21471. 00:05:52.763 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21472. java.net.SocketException: Network is unreachable
  21473. at sun.nio.ch.Net.connect0(Native Method)
  21474. at sun.nio.ch.Net.connect(Net.java:454)
  21475. at sun.nio.ch.Net.connect(Net.java:446)
  21476. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21477. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21478. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21479. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21480. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21481. 00:05:53.877 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21482. 00:05:53.878 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21483. 00:05:53.878 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21484. java.net.SocketException: Network is unreachable
  21485. at sun.nio.ch.Net.connect0(Native Method)
  21486. at sun.nio.ch.Net.connect(Net.java:454)
  21487. at sun.nio.ch.Net.connect(Net.java:446)
  21488. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21489. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21490. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21491. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21492. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21493. 12:06:50.468 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21494. 12:06:50.754 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21495. 12:06:50.788 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21496. java.net.SocketException: Network is unreachable
  21497. at sun.nio.ch.Net.connect0(Native Method)
  21498. at sun.nio.ch.Net.connect(Net.java:454)
  21499. at sun.nio.ch.Net.connect(Net.java:446)
  21500. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21501. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21502. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21503. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21504. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21505. 12:06:51.889 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21506. 12:06:51.890 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21507. 12:06:51.890 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21508. java.net.SocketException: Network is unreachable
  21509. at sun.nio.ch.Net.connect0(Native Method)
  21510. at sun.nio.ch.Net.connect(Net.java:454)
  21511. at sun.nio.ch.Net.connect(Net.java:446)
  21512. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21513. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21514. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21515. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21516. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21517. 12:06:53.000 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21518. 12:06:53.000 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21519. 12:06:53.001 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21520. java.net.SocketException: Network is unreachable
  21521. at sun.nio.ch.Net.connect0(Native Method)
  21522. at sun.nio.ch.Net.connect(Net.java:454)
  21523. at sun.nio.ch.Net.connect(Net.java:446)
  21524. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21525. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21526. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21527. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21528. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21529. 12:06:54.118 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21530. 12:06:54.127 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21531. 12:06:54.127 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21532. java.net.SocketException: Network is unreachable
  21533. at sun.nio.ch.Net.connect0(Native Method)
  21534. at sun.nio.ch.Net.connect(Net.java:454)
  21535. at sun.nio.ch.Net.connect(Net.java:446)
  21536. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21537. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21538. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21539. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21540. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21541. 12:06:55.255 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21542. 12:06:55.280 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21543. 12:06:55.282 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21544. java.net.SocketException: Network is unreachable
  21545. at sun.nio.ch.Net.connect0(Native Method)
  21546. at sun.nio.ch.Net.connect(Net.java:454)
  21547. at sun.nio.ch.Net.connect(Net.java:446)
  21548. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21549. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21550. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21551. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21552. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21553. 12:06:56.542 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21554. 12:06:56.542 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21555. 12:06:56.542 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21556. java.net.SocketException: Network is unreachable
  21557. at sun.nio.ch.Net.connect0(Native Method)
  21558. at sun.nio.ch.Net.connect(Net.java:454)
  21559. at sun.nio.ch.Net.connect(Net.java:446)
  21560. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21561. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21562. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21563. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21564. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21565. 12:06:57.652 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21566. 12:06:57.653 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21567. 12:06:57.653 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21568. java.net.SocketException: Network is unreachable
  21569. at sun.nio.ch.Net.connect0(Native Method)
  21570. at sun.nio.ch.Net.connect(Net.java:454)
  21571. at sun.nio.ch.Net.connect(Net.java:446)
  21572. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21573. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21574. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21575. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21576. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21577. 12:06:58.766 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21578. 12:06:58.767 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21579. 12:06:58.767 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21580. java.net.SocketException: Network is unreachable
  21581. at sun.nio.ch.Net.connect0(Native Method)
  21582. at sun.nio.ch.Net.connect(Net.java:454)
  21583. at sun.nio.ch.Net.connect(Net.java:446)
  21584. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21585. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21586. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21587. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21588. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21589. 12:06:59.880 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21590. 12:06:59.880 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21591. 12:06:59.880 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21592. java.net.SocketException: Network is unreachable
  21593. at sun.nio.ch.Net.connect0(Native Method)
  21594. at sun.nio.ch.Net.connect(Net.java:454)
  21595. at sun.nio.ch.Net.connect(Net.java:446)
  21596. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21597. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21598. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21599. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21600. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21601. 12:07:00.988 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21602. 12:07:00.988 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21603. 12:07:00.989 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21604. java.net.SocketException: Network is unreachable
  21605. at sun.nio.ch.Net.connect0(Native Method)
  21606. at sun.nio.ch.Net.connect(Net.java:454)
  21607. at sun.nio.ch.Net.connect(Net.java:446)
  21608. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21609. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21610. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21611. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21612. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21613. 12:07:02.108 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21614. 12:07:02.109 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21615. 12:07:02.109 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21616. java.net.SocketException: Network is unreachable
  21617. at sun.nio.ch.Net.connect0(Native Method)
  21618. at sun.nio.ch.Net.connect(Net.java:454)
  21619. at sun.nio.ch.Net.connect(Net.java:446)
  21620. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21621. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21622. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21623. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21624. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21625. 12:07:03.225 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21626. 12:07:03.225 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21627. 12:07:03.225 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21628. java.net.SocketException: Network is unreachable
  21629. at sun.nio.ch.Net.connect0(Native Method)
  21630. at sun.nio.ch.Net.connect(Net.java:454)
  21631. at sun.nio.ch.Net.connect(Net.java:446)
  21632. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21633. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21634. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21635. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21636. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21637. 17:19:32.894 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21638. 17:19:33.172 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21639. 17:19:33.213 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21640. java.net.SocketException: Network is unreachable
  21641. at sun.nio.ch.Net.connect0(Native Method)
  21642. at sun.nio.ch.Net.connect(Net.java:454)
  21643. at sun.nio.ch.Net.connect(Net.java:446)
  21644. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21645. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21646. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21647. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21648. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21649. 17:19:34.992 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21650. 17:19:34.992 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21651. 17:19:34.993 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21652. java.net.SocketException: Network is unreachable
  21653. at sun.nio.ch.Net.connect0(Native Method)
  21654. at sun.nio.ch.Net.connect(Net.java:454)
  21655. at sun.nio.ch.Net.connect(Net.java:446)
  21656. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21657. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21658. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21659. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21660. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21661. 17:19:36.094 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21662. 17:19:36.101 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21663. 17:19:36.250 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21664. java.net.SocketException: Network is unreachable
  21665. at sun.nio.ch.Net.connect0(Native Method)
  21666. at sun.nio.ch.Net.connect(Net.java:454)
  21667. at sun.nio.ch.Net.connect(Net.java:446)
  21668. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21669. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21670. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21671. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21672. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21673. 17:19:37.355 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21674. 17:19:37.355 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21675. 17:19:37.355 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21676. java.net.SocketException: Network is unreachable
  21677. at sun.nio.ch.Net.connect0(Native Method)
  21678. at sun.nio.ch.Net.connect(Net.java:454)
  21679. at sun.nio.ch.Net.connect(Net.java:446)
  21680. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21681. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21682. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21683. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21684. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21685. 17:19:38.463 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21686. 17:19:38.464 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21687. 17:19:38.464 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21688. java.net.SocketException: Network is unreachable
  21689. at sun.nio.ch.Net.connect0(Native Method)
  21690. at sun.nio.ch.Net.connect(Net.java:454)
  21691. at sun.nio.ch.Net.connect(Net.java:446)
  21692. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21693. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21694. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21695. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21696. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21697. 17:19:39.567 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21698. 17:19:39.567 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21699. 17:19:39.567 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21700. java.net.SocketException: Network is unreachable
  21701. at sun.nio.ch.Net.connect0(Native Method)
  21702. at sun.nio.ch.Net.connect(Net.java:454)
  21703. at sun.nio.ch.Net.connect(Net.java:446)
  21704. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21705. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21706. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21707. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21708. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21709. 17:19:40.671 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21710. 17:19:40.672 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21711. 17:19:40.672 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21712. java.net.SocketException: Network is unreachable
  21713. at sun.nio.ch.Net.connect0(Native Method)
  21714. at sun.nio.ch.Net.connect(Net.java:454)
  21715. at sun.nio.ch.Net.connect(Net.java:446)
  21716. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21717. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21718. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21719. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21720. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21721. 17:19:41.779 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21722. 17:19:41.780 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21723. 17:19:41.780 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21724. java.net.SocketException: Network is unreachable
  21725. at sun.nio.ch.Net.connect0(Native Method)
  21726. at sun.nio.ch.Net.connect(Net.java:454)
  21727. at sun.nio.ch.Net.connect(Net.java:446)
  21728. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21729. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21730. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21731. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21732. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21733. 17:19:42.891 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21734. 17:19:42.891 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21735. 17:19:42.891 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21736. java.net.SocketException: Network is unreachable
  21737. at sun.nio.ch.Net.connect0(Native Method)
  21738. at sun.nio.ch.Net.connect(Net.java:454)
  21739. at sun.nio.ch.Net.connect(Net.java:446)
  21740. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21741. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21742. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21743. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21744. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21745. 17:19:43.999 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21746. 17:19:43.999 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21747. 17:19:43.999 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21748. java.net.SocketException: Network is unreachable
  21749. at sun.nio.ch.Net.connect0(Native Method)
  21750. at sun.nio.ch.Net.connect(Net.java:454)
  21751. at sun.nio.ch.Net.connect(Net.java:446)
  21752. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21753. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21754. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21755. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21756. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21757. 17:19:45.106 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21758. 17:19:45.107 [main-SendThread(101.37.175.111:2181)] ERROR o.a.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 101.37.175.111/101.37.175.111:2181
  21759. 17:19:45.107 [main-SendThread(101.37.175.111:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
  21760. java.net.SocketException: Network is unreachable
  21761. at sun.nio.ch.Net.connect0(Native Method)
  21762. at sun.nio.ch.Net.connect(Net.java:454)
  21763. at sun.nio.ch.Net.connect(Net.java:446)
  21764. at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
  21765. at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:275)
  21766. at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:285)
  21767. at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1098)
  21768. at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1133)
  21769. 17:19:46.209 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21770. 17:19:46.383 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:60594, server: 101.37.175.111/101.37.175.111:2181
  21771. 17:19:46.708 [main-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fced0, negotiated timeout = 40000
  21772. 17:19:46.710 [main-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: RECONNECTED
  21773. 17:19:47.604 [Curator-TreeCache-0] INFO o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration' of type [org.springframework.cloud.autoconfigure.ConfigurationPropertiesRebinderAutoConfiguration$$EnhancerBySpringCGLIB$$3ba05b8e] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
  21774. 17:19:47.644 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Starting
  21775. 17:19:47.645 [Curator-TreeCache-0] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=101.37.175.111:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@6c0c4235
  21776. 17:19:47.645 [Curator-TreeCache-0] INFO o.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes
  21777. 17:19:47.647 [Curator-TreeCache-0] INFO o.a.c.f.imps.CuratorFrameworkImpl - Default schema
  21778. 17:19:47.647 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 101.37.175.111/101.37.175.111:2181. Will not attempt to authenticate using SASL (unknown error)
  21779. 17:19:47.923 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /192.168.43.121:60625, server: 101.37.175.111/101.37.175.111:2181
  21780. 17:19:48.081 [Curator-TreeCache-0-SendThread(101.37.175.111:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server 101.37.175.111/101.37.175.111:2181, sessionid = 0x17559ef9a3fced2, negotiated timeout = 40000
  21781. 17:19:48.081 [Curator-TreeCache-0-EventThread] INFO o.a.c.f.s.ConnectionStateManager - State change: CONNECTED
  21782. 17:20:02.702 [Curator-TreeCache-0] INFO o.s.c.b.c.PropertySourceBootstrapConfiguration - Located property source: CompositePropertySource {name='zookeeper', propertySources=[ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend,dev'}, ZookeeperPropertySource {name='/config/mooctest-crowdsource-backend'}, ZookeeperPropertySource {name='/config/application,dev'}, ZookeeperPropertySource {name='/config/application'}]}