Sergey Shelukhin created YARN-9320:
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Summary: ConcurrentModificationException in capacity scheduler
(updateQueueStatistics)
Key: YARN-9320
URL: https://issues.apache.org/jira/browse/YARN-9320
Project: Hadoop YARN
Issue Type: Bug
Affects Versions: 2.9.3
Reporter: Sergey Shelukhin
We are running a snapshot of 2.9 branch, unfortunately I'm not sure off the top
of my head what version it corresponds to. I can look it up if that's
important, but I haven't found a bug like this so I suspect it would also
affect a current version unless fixed by accident.
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2019-02-20 13:12:52,785 FATAL [SchedulerEventDispatcher:Event Processor]
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueueUtils:
queueCapacities.getNodePartitionsSet() changed
java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
at java.util.HashMap$KeyIterator.next(HashMap.java:1461)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueueUtils.updateQueueStatistics(CSQueueUtils.java:303)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.updateClusterResource(LeafQueue.java:1879)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.updateClusterResource(ParentQueue.java:897)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.updateNodeLabelsAndQueueResource(CapacityScheduler.java:1775)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:1633)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:154)
at
org.apache.hadoop.yarn.event.EventDispatcher$EventProcessor.run(EventDispatcher.java:67)
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