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  1. Hadoop YARN
  2. YARN-2928 YARN Timeline Service v.2: alpha 1
  3. YARN-4460

[Bug fix] RM fails to start when SMP is enabled

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • YARN-2928
    • 2.9.0, 3.0.0-alpha1
    • timelineserver
    • None
    • Reviewed

    Description

      When SMP is enabled, the RM starts with the following fatal message:

      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)
      

      We should register event handlers in service init stage in TimelineServiceV2Publisher to fix this problem.

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            gtcarrera9 Li Lu Assign to me
            gtcarrera9 Li Lu
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