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Posted to yarn-issues@hadoop.apache.org by "Zac Zhou (JIRA)" <ji...@apache.org> on 2019/01/08 12:48:00 UTC

[jira] [Commented] (YARN-9185) TimelineServiceV2Publisher throws NPE when app is finished before container metrics updated

    [ https://issues.apache.org/jira/browse/YARN-9185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16737091#comment-16737091 ] 

Zac Zhou commented on YARN-9185:
--------------------------------

When the following configuration is specified:

<property>
 <name>yarn.timeline-service.generic-application-history.save-non-am-container-meta-info</name>
 <value>false</value>
</property>

The NPE doesn't occur.

> TimelineServiceV2Publisher throws NPE when app is finished before container metrics updated
> -------------------------------------------------------------------------------------------
>
>                 Key: YARN-9185
>                 URL: https://issues.apache.org/jira/browse/YARN-9185
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Zac Zhou
>            Assignee: Zac Zhou
>            Priority: Major
>
> When the dominant component feature is enabled. Resourcemanager throws NPE after the app is finished.
> The stack is as follows:
> 2019-01-08 19:54:48,788 FATAL org.apache.hadoop.yarn.event.AsyncDispatcher: Error in dispatcher thread
> java.lang.NullPointerException
>  at org.apache.hadoop.yarn.server.resourcemanager.metrics.TimelineServiceV2Publisher.putEntity(Timel
> ineServiceV2Publisher.java:459)
>  at org.apache.hadoop.yarn.server.resourcemanager.metrics.TimelineServiceV2Publisher.access$100(Time
> lineServiceV2Publisher.java:73)
>  at org.apache.hadoop.yarn.server.resourcemanager.metrics.TimelineServiceV2Publisher$TimelineV2Event
> Handler.handle(TimelineServiceV2Publisher.java:494)
>  at org.apache.hadoop.yarn.server.resourcemanager.metrics.TimelineServiceV2Publisher$TimelineV2Event
> Handler.handle(TimelineServiceV2Publisher.java:483)
>  at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:197)
>  at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:126)
>  at java.lang.Thread.run(Thread.java:745)



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