You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@flink.apache.org by "Till Rohrmann (JIRA)" <ji...@apache.org> on 2017/07/31 09:26:00 UTC
[jira] [Closed] (FLINK-7201) ConcurrentModificationException in
JobLeaderIdService
[ https://issues.apache.org/jira/browse/FLINK-7201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Till Rohrmann closed FLINK-7201.
--------------------------------
Resolution: Fixed
Fix Version/s: 1.4.0
The problem should no longer occur with the changes of FLINK-7295. If it still occurs, we have to revisit this issue.
> ConcurrentModificationException in JobLeaderIdService
> -----------------------------------------------------
>
> Key: FLINK-7201
> URL: https://issues.apache.org/jira/browse/FLINK-7201
> Project: Flink
> Issue Type: Bug
> Components: JobManager
> Reporter: Xu Pingyong
> Assignee: Xu Pingyong
> Labels: flip-6
> Fix For: 1.4.0
>
>
> {code:java}
> java.util.ConcurrentModificationException: null
> at java.util.HashMap$HashIterator.nextEntry(HashMap.java:922)
> at java.util.HashMap$ValueIterator.next(HashMap.java:950)
> at org.apache.flink.runtime.resourcemanager.JobLeaderIdService.clear(JobLeaderIdService.java:114)
> at org.apache.flink.runtime.resourcemanager.JobLeaderIdService.stop(JobLeaderIdService.java:92)
> at org.apache.flink.runtime.resourcemanager.ResourceManager.shutDown(ResourceManager.java:200)
> at org.apache.flink.runtime.resourcemanager.ResourceManagerRunner.shutDownInternally(ResourceManagerRunner.java:102)
> at org.apache.flink.runtime.resourcemanager.ResourceManagerRunner.shutDown(ResourceManagerRunner.java:97)
> at org.apache.flink.runtime.minicluster.MiniCluster.shutdownInternally(MiniCluster.java:329)
> at org.apache.flink.runtime.minicluster.MiniCluster.shutdown(MiniCluster.java:297)
> at org.apache.flink.runtime.minicluster.MiniClusterITCase.runJobWithMultipleJobManagers(MiniClusterITCase.java:85)
> {code}
> Because the jobLeaderIdService stops before the rpcService when shutdown the resourceManager, jobLeaderIdService has a risk of thread-unsafe.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)