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https://issues.apache.org/jira/browse/YARN-3619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14937044#comment-14937044
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Hadoop QA commented on YARN-3619:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | patch | 0m 0s | The patch command could not apply
the patch during dryrun. |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12733882/YARN-3619.000.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 6c17d31 |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/9311/console |
This message was automatically generated.
> ContainerMetrics unregisters during getMetrics and leads to
> ConcurrentModificationException
> -------------------------------------------------------------------------------------------
>
> Key: YARN-3619
> URL: https://issues.apache.org/jira/browse/YARN-3619
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.7.0
> Reporter: Jason Lowe
> Assignee: zhihai xu
> Attachments: YARN-3619.000.patch, test.patch
>
>
> ContainerMetrics is able to unregister itself during the getMetrics method,
> but that method can be called by MetricsSystemImpl.sampleMetrics which is
> trying to iterate the sources. This leads to a
> ConcurrentModificationException log like this:
> {noformat}
> 2015-05-11 14:00:20,360 [Timer for 'NodeManager' metrics system] WARN
> impl.MetricsSystemImpl: java.util.ConcurrentModificationException
> {noformat}
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