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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2922) Concurrent Modification Exception in LeafQueue when collecting applications
Date Wed, 31 Dec 2014 05:14:14 GMT

    [ https://issues.apache.org/jira/browse/YARN-2922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14261935#comment-14261935
] 

Hadoop QA commented on YARN-2922:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12689633/0001-YARN-2922.patch
  against trunk revision e2351c7.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:

                  org.apache.hadoop.yarn.server.resourcemanager.security.TestRMDelegationTokens

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/6222//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6222//console

This message is automatically generated.

> Concurrent Modification Exception in LeafQueue when collecting applications
> ---------------------------------------------------------------------------
>
>                 Key: YARN-2922
>                 URL: https://issues.apache.org/jira/browse/YARN-2922
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager, scheduler
>    Affects Versions: 2.5.1
>            Reporter: Jason Tufo
>            Assignee: Rohith
>         Attachments: 0001-YARN-2922.patch, 0001-YARN-2922.patch
>
>
> java.util.ConcurrentModificationException
>                 at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1115)
>                 at java.util.TreeMap$KeyIterator.next(TreeMap.java:1169)
>                 at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.collectSchedulerApplications(LeafQueue.java:1618)
>                 at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.getAppsInQueue(CapacityScheduler.java:1119)
>                 at org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.getQueueInfo(ClientRMService.java:798)
>                 at org.apache.hadoop.yarn.api.impl.pb.service.ApplicationClientProtocolPBServiceImpl.getQueueInfo(ApplicationClientProtocolPBServiceImpl.java:234)
>                 at org.apache.hadoop.yarn.proto.ApplicationClientProtocol$ApplicationClientProtocolService$2.callBlockingMethod(ApplicationClientProtocol.java:333)
>                 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)
>                 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)
>                 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2013)
>                 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2009)
>                 at java.security.AccessController.doPrivileged(Native Method)
>                 at javax.security.auth.Subject.doAs(Subject.java:415)
>                 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614)
>                 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2007)



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