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Posted to yarn-issues@hadoop.apache.org by "Sangjin Lee (JIRA)" <ji...@apache.org> on 2015/11/23 21:10:11 UTC
[jira] [Commented] (YARN-3762) FairScheduler: CME on
FSParentQueue#getQueueUserAclInfo
[ https://issues.apache.org/jira/browse/YARN-3762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15022885#comment-15022885 ]
Sangjin Lee commented on YARN-3762:
-----------------------------------
This should be a good candidate for branch-2.6 (2.6.3). [~kasha], what do you think?
> 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: Critical
> Fix For: 2.8.0
>
> Attachments: yarn-3762-1.patch, yarn-3762-1.patch, yarn-3762-2.patch
>
>
> 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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