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https://issues.apache.org/jira/browse/YARN-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15369783#comment-15369783
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Hudson commented on YARN-4460:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #10074 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/10074/])
YARN-4460. [Bug fix] RM fails to start when SMP is enabled. (Li Lu via (sjlee:
rev c4d7bbda5cb3ceaf54a022f3cf97109e8e190d71)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/TestSystemMetricsPublisherForV2.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/TimelineServiceV2Publisher.java
> [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: YARN-2928
>
> 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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