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https://issues.apache.org/jira/browse/MAPREDUCE-5867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13999093#comment-13999093
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Hadoop QA commented on MAPREDUCE-5867:
--------------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12644974/MapReduce-5867-updated.patch
against trunk revision .
{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 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4603//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4603//console
This message is automatically generated.
> 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
> 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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