Details
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Type:
Bug
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: None
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Fix Version/s: 0.22.0
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Component/s: contrib/gridmix
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Labels:None
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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)