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https://issues.apache.org/jira/browse/MAPREDUCE-5867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14003466#comment-14003466
]
Hudson commented on MAPREDUCE-5867:
-----------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #1780 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1780/])
MAPREDUCE-5867. Fix NPE in KillAMPreemptionPolicy related to
ProportionalCapacityPreemptionPolicy. Contributed by Sunil G. (devaraj:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1595754)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/preemption/KillAMPreemptionPolicy.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/TestKillAMPreemptionPolicy.java
> Possible NPE in KillAMPreemptionPolicy related to
> ProportionalCapacityPreemptionPolicy
> --------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5867
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5867
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: resourcemanager
> Affects Versions: 2.3.0
> Reporter: Sunil G
> Assignee: Sunil G
> Fix For: 3.0.0
>
> Attachments: MapReduce-5867-updated.patch,
> MapReduce-5867-updated.patch, MapReduce-5867.2.patch, MapReduce-5867.3.patch,
> Yarn-1980.1.patch
>
>
> I configured KillAMPreemptionPolicy for My Application Master and tried to
> check preemption of queues.
> In one scenario I have seen below NPE in my AM
> 014-04-24 15:11:08,860 ERROR [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: ERROR IN
> CONTACTING RM.
> java.lang.NullPointerException
> at
> org.apache.hadoop.mapreduce.v2.app.rm.preemption.KillAMPreemptionPolicy.preempt(KillAMPreemptionPolicy.java:57)
> at
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.getResources(RMContainerAllocator.java:662)
> at
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.heartbeat(RMContainerAllocator.java:246)
> at
> org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator$1.run(RMCommunicator.java:267)
> at java.lang.Thread.run(Thread.java:662)
> I was using 2.2.0 and merged MAPREDUCE-5189 to see how AM preemption works.
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