Rohith Sharma K S created YARN-6563:
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Summary: ConcurrentModificationException in
TimelineCollectorManager while stopping RM
Key: YARN-6563
URL: https://issues.apache.org/jira/browse/YARN-6563
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Reporter: Rohith Sharma K S
It is seen that ConcurrentModificationException while stopping RM when ATSv2
enabled.
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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)
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