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Posted to yarn-issues@hadoop.apache.org by "Varun Saxena (JIRA)" <ji...@apache.org> on 2017/10/21 06:06:57 UTC
[jira] [Updated] (YARN-4460) [Bug fix] RM fails to start when SMP
is enabled
[ https://issues.apache.org/jira/browse/YARN-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Varun Saxena updated YARN-4460:
-------------------------------
Fix Version/s: 2.9.0
> [Bug fix] RM fails to start when SMP is enabled
> -----------------------------------------------
>
> Key: YARN-4460
> URL: https://issues.apache.org/jira/browse/YARN-4460
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Affects Versions: YARN-2928
> Reporter: Li Lu
> Assignee: Li Lu
> Fix For: 2.9.0, 3.0.0-alpha1
>
> Attachments: YARN-4460-feature-YARN-2928.001.patch
>
>
> When SMP is enabled, the RM starts with the following fatal message:
> {code}
> FATAL event.AsyncDispatcher (AsyncDispatcher.java:dispatch(189)) - Error in dispatcher thread true
> java.lang.Exception: No handler for registered for class org.apache.hadoop.yarn.server.resourcemanager.metrics.AbstractSystemMetricsPubli
> sher$SystemMetricsEventType
> at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:185)
> at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
> at java.lang.Thread.run(Thread.java:745)
> {code}
> We should register event handlers in service init stage in TimelineServiceV2Publisher to fix this problem.
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