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Type:
Sub-task
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Status: Resolved
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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: 2.9.0, YARN-5355, YARN-5355-branch-2, 3.0.0-alpha4
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Component/s: resourcemanager
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Labels:None
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Hadoop Flags:Reviewed
It is seen that ConcurrentModificationException while stopping RM when ATSv2 enabled.
2017-05-05 15:04:11,563 WARN org.apache.hadoop.service.CompositeService: When stopping the service org.apache.hadoop.yarn.server.resourcemanager.timelineservice.RMTimelineCollectorManager : java.util.ConcurrentModificationException java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437) at java.util.HashMap$ValueIterator.next(HashMap.java:1466) at org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorManager.serviceStop(TimelineCollectorManager.java:222) at org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) at org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:52) at org.apache.hadoop.service.ServiceOperations.stopQuietly(ServiceOperations.java:80) at org.apache.hadoop.service.CompositeService.stop(CompositeService.java:157) at org.apache.hadoop.service.CompositeService.serviceStop(CompositeService.java:131) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1285)