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https://issues.apache.org/jira/browse/YARN-6563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16450700#comment-16450700
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Hudson commented on YARN-6563:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14057 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/14057/])
YARN-6563 ConcurrentModificationException in TimelineCollectorManager (xyao:
rev ae743ff258f041e495d823a1494571d32bf47cc5)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/collector/TimelineCollectorManager.java
> ConcurrentModificationException in TimelineCollectorManager while stopping RM
> -----------------------------------------------------------------------------
>
> Key: YARN-6563
> URL: https://issues.apache.org/jira/browse/YARN-6563
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Rohith Sharma K S
> Assignee: Haibo Chen
> Priority: Major
> Fix For: 2.9.0, YARN-5355, YARN-5355-branch-2, 3.0.0-alpha4
>
> Attachments: YARN-6563.00.patch
>
>
> It is seen that ConcurrentModificationException while stopping RM when ATSv2
> enabled.
> {noformat}
> 2017-05-05 15:04:11,563 WARN org.apache.hadoop.service.CompositeService: When
> stopping the service
> org.apache.hadoop.yarn.server.resourcemanager.timelineservice.RMTimelineCollectorManager
> : java.util.ConcurrentModificationException
> java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
> at java.util.HashMap$ValueIterator.next(HashMap.java:1466)
> at
> org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorManager.serviceStop(TimelineCollectorManager.java:222)
> at
> org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221)
> at
> org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:52)
> at
> org.apache.hadoop.service.ServiceOperations.stopQuietly(ServiceOperations.java:80)
> at
> org.apache.hadoop.service.CompositeService.stop(CompositeService.java:157)
> at
> org.apache.hadoop.service.CompositeService.serviceStop(CompositeService.java:131)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1285)
> {noformat}
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