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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-3762) FairScheduler: CME on FSParentQueue#getQueueUserAclInfo
Date Tue, 02 Jun 2015 23:32:49 GMT
Karthik Kambatla created YARN-3762:
--------------------------------------

             Summary: FairScheduler: CME on FSParentQueue#getQueueUserAclInfo
                 Key: YARN-3762
                 URL: https://issues.apache.org/jira/browse/YARN-3762
             Project: Hadoop YARN
          Issue Type: Bug
          Components: fairscheduler
    Affects Versions: 2.7.0
            Reporter: Karthik Kambatla
            Assignee: Karthik Kambatla
            Priority: Blocker


In our testing, we ran into the following ConcurrentModificationException:

{noformat}
halxg.cloudera.com:8042, nodeRackName/rackvb07, nodeNumContainers0
15/05/22 13:02:22 INFO distributedshell.Client: Queue info, queueName=root.testyarnpool3,
queueCurrentCapacity=0.0, queueMaxCapacity=-1.0, queueApplicationCount=0, queueChildQueueCount=0
15/05/22 13:02:22 FATAL distributedshell.Client: Error running Client
java.util.ConcurrentModificationException: java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
	at java.util.ArrayList$Itr.next(ArrayList.java:851)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSParentQueue.getQueueUserAclInfo(FSParentQueue.java:155)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.getQueueUserAclInfo(FairScheduler.java:1395)
	at org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.getQueueUserAcls(ClientRMService.java:880)
{noformat}




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