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https://issues.apache.org/jira/browse/CURATOR-649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zili Chen closed CURATOR-649.
-----------------------------
Fix Version/s: 5.4.0
Assignee: Zili Chen
Resolution: Fixed
master via b66240c80e8f289b701ecccc1febfd2f7a3f6aac
> Background exception was not retry-able or retry gave up
> --------------------------------------------------------
>
> Key: CURATOR-649
> URL: https://issues.apache.org/jira/browse/CURATOR-649
> Project: Apache Curator
> Issue Type: Bug
> Components: Client
> Affects Versions: 5.2.0
> Reporter: Sergey Nuyanzin
> Assignee: Zili Chen
> Priority: Major
> Fix For: 5.4.0
>
>
> This is is probably a kind of reopen of CURATOR-538
> the case is we have 3 flink-nodes which under the hood using curator.
> Then just add one node and remove another one.
> After that some nodes start having NPE.
> {noformat}
> java.lang.NullPointerException: null
> at
> org.apache.curator.utils.Compatibility.getHostAddress(Compatibility.java:116)
> at
> org.apache.curator.framework.imps.EnsembleTracker.configToConnectionString(EnsembleTracker.java:185)
> at
> org.apache.curator.framework.imps.EnsembleTracker.processConfigData(EnsembleTracker.java:206)
>
> at
> org.apache.curator.framework.imps.EnsembleTracker.access$300(EnsembleTracker.java:50)
> at
> org.apache.curator.framework.imps.EnsembleTracker$2.processResult(EnsembleTracker.java:150)
> at
> org.apache.curator.framework.imps.CuratorFrameworkImpl.sendToBackgroundCallback(CuratorFrameworkImpl.java:926)
>
> at
> org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:683)
> 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:598)
> at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:510)
> {noformat}
> We've got same issue and trace is very close it fails with NPE trying get
> Address
> the only difference is that it is trying to get Address at
> {{org.apache.curator.utils.Compatibility#getHostAddress}}
> at line
> {noformat}
> return (address != null) ? address.getAddress().getHostAddress() : "unknown";
> {noformat}
> We do not use telepresence mentioned in comments
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