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Posted to dev@curator.apache.org by "imic (Jira)" <ji...@apache.org> on 2019/09/12 01:52:00 UTC
[jira] [Closed] (CURATOR-538) Background exception was not
retry-able or retry gave up
[ https://issues.apache.org/jira/browse/CURATOR-538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
imic closed CURATOR-538.
------------------------
> Background exception was not retry-able or retry gave up
> --------------------------------------------------------
>
> Key: CURATOR-538
> URL: https://issues.apache.org/jira/browse/CURATOR-538
> Project: Apache Curator
> Issue Type: Bug
> Components: Framework
> Affects Versions: 4.0.1, 4.2.0
> Reporter: imic
> Priority: Critical
> Attachments: 22.png
>
>
>
> error log:
> {code:java}
> //err code is here
> 2019-08-21 14:24:30.654 0.0.0.0:30901 INFO 45964 --- [e-1-EventThread] org.apache.zookeeper.ClientCnxn : EventThread shut down for session: 0x10072ab8a8001b12019-08-21 14:24:30.654 0.0.0.0:30901 INFO 45964 --- [e-1-EventThread] org.apache.zookeeper.ClientCnxn : EventThread shut down for session: 0x10072ab8a8001b12019-08-21 14:24:30.655 0.0.0.0:30901 ERROR 45964 --- [e-1-EventThread] o.a.c.f.imps.CuratorFrameworkImpl : Background exception was not retry-able or retry gave up
> java.lang.NullPointerException: null at org.apache.curator.framework.imps.EnsembleTracker.configToConnectionString(EnsembleTracker.java:179) at org.apache.curator.framework.imps.EnsembleTracker.processConfigData(EnsembleTracker.java:200) at org.apache.curator.framework.imps.EnsembleTracker.access$300(EnsembleTracker.java:50) at org.apache.curator.framework.imps.EnsembleTracker$2.processResult(EnsembleTracker.java:144) at org.apache.curator.framework.imps.CuratorFrameworkImpl.sendToBackgroundCallback(CuratorFrameworkImpl.java:865) at org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:635) at org.apache.curator.framework.imps.WatcherRemovalFacade.processBackgroundOperation(WatcherRemovalFacade.java:152) at org.apache.curator.framework.imps.GetConfigBuilderImpl$2.processResult(GetConfigBuilderImpl.java:222) at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:587) at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:499)
> 2019-08-21 14:24:30.655 0.0.0.0:30901 INFO 45964 --- [e-1-EventThread] o.a.c.framework.imps.EnsembleTracker : New config event received: {server.1=zookeeper-0.zk-headless-service.default.svc.cluster.local:2888:3888:participant;0.0.0.0:2181, version=b00000000, server.3=zookeeper-2.zk-headless-service.default.svc.cluster.local:2888:3888:participant;0.0.0.0:2181, server.2=zookeeper-1.zk-headless-service.default.svc.cluster.local:2888:3888:participant;0.0.0.0:2181}2019-08-21 14:24:30.656 0.0.0.0:30901 ERROR 45964 --- [e-1-EventThread] o.a.c.f.imps.CuratorFrameworkImpl : Background exception was not retry-able or retry gave up
> java.lang.NullPointerException: null at org.apache.curator.framework.imps.EnsembleTracker.configToConnectionString(EnsembleTracker.java:179) at org.apache.curator.framework.imps.EnsembleTracker.processConfigData(EnsembleTracker.java:200) at org.apache.curator.framework.imps.EnsembleTracker.access$300(EnsembleTracker.java:50) at org.apache.curator.framework.imps.EnsembleTracker$2.processResult(EnsembleTracker.java:144) at org.apache.curator.framework.imps.CuratorFrameworkImpl.sendToBackgroundCallback(CuratorFrameworkImpl.java:865) at org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:635) at org.apache.curator.framework.imps.WatcherRemovalFacade.processBackgroundOperation(WatcherRemovalFacade.java:152) at org.apache.curator.framework.imps.GetConfigBuilderImpl$2.processResult(GetConfigBuilderImpl.java:222) at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:587) at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:499)
> {code}
>
> I use kubernates as registor, envirment is ubuntu18.04 + spring boot 2.x and curator is 4.0.1(spring-cloud-starter-zookeeper-config), when i debug the project, curator framework throw NullPointerException.
> I debuged it , found EnsembleTracker.java(line 179) server.addr.getAddress() is null! debug info can be found at attachment!
>
> QuorumVerifier is
> {code:java}
> server.1=zookeeper-0.zk-headless-service.default.svc.cluster.local:2888:3888:participant;0.0.0.0:2181
> server.2=zookeeper-1.zk-headless-service.default.svc.cluster.local:2888:3888:participant;0.0.0.0:2181
> server.3=zookeeper-2.zk-headless-service.default.svc.cluster.local:2888:3888:participant;0.0.0.0:2181
> version=b00000000{code}
>
>
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