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  1. Hadoop Map/Reduce
  2. MAPREDUCE-1961

[gridmix3] ConcurrentModificationException when shutting down Gridmix

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.22.0
    • Component/s: contrib/gridmix
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      We observed the following exception occasionally at the end of the Gridmix run:

      Exception in thread "StatsCollectorThread" java.util.ConcurrentModificationException
                at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
                at java.util.AbstractList$Itr.next(AbstractList.java:343)
                at org.apache.hadoop.mapred.gridmix.Statistics$StatCollector.updateAndNotifyClusterStatsListeners(Statistics.java:220)
                at org.apache.hadoop.mapred.gridmix.Statistics$StatCollector.run(Statistics.java:205)
      

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            • Assignee:
              hong.tang Hong Tang
              Reporter:
              hong.tang Hong Tang
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              • Created:
                Updated:
                Resolved: