[ https://issues.apache.org/jira/browse/MAPREDUCE-5743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13894515#comment-13894515 ] 

Hudson commented on MAPREDUCE-5743:
-----------------------------------

SUCCESS: Integrated in Hadoop-Hdfs-trunk #1666 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1666/])
MAPREDUCE-5743. Fixed CHANGES.txt to give credit to Ted too. (vinodkv: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1565401)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt


> TestRMContainerAllocator is failing
> -----------------------------------
>
>                 Key: MAPREDUCE-5743
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5743
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 3.0.0, 2.3.0
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 2.3.0
>
>         Attachments: MAPREDUCE-5743.txt, mapreduce-5719-v1.txt, mapreduce-5719-v2.txt, mapreduce-5719-v3.txt
>
>
> From https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1666/console :
> {code}
> Tests run: 14, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 63.12 sec <<< FAILURE! - in org.apache.hadoop.mapreduce.v2.app.TestRMContainerAllocator
> testCompletedTasksRecalculateSchedule(org.apache.hadoop.mapreduce.v2.app.TestRMContainerAllocator)  Time elapsed: 2.083 sec  <<< ERROR!
> org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.lang.NullPointerException
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler.getTransferredContainers(AbstractYarnScheduler.java:50)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService.registerApplicationMaster(ApplicationMasterService.java:277)
> 	at org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.register(RMCommunicator.java:154)
> 	at org.apache.hadoop.mapreduce.v2.app.TestRMContainerAllocator$MyContainerAllocator.register(TestRMContainerAllocator.java:1476)
> 	at org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.serviceStart(RMCommunicator.java:112)
> 	at org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.serviceStart(RMContainerAllocator.java:219)
> 	at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
> 	at org.apache.hadoop.mapreduce.v2.app.TestRMContainerAllocator$MyContainerAllocator.<init>(TestRMContainerAllocator.java:1444)
> 	at org.apache.hadoop.mapreduce.v2.app.TestRMContainerAllocator$RecalculateContainerAllocator.<init>(TestRMContainerAllocator.java:1629)
> 	at org.apache.hadoop.mapreduce.v2.app.TestRMContainerAllocator.testCompletedTasksRecalculateSchedule(TestRMContainerAllocator.java:1665)
> {code}
> In above case getMasterContainer() returned null.
> AbstractYarnScheduler#getTransferredContainers() should check such condition.



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