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Posted to mapreduce-issues@hadoop.apache.org by "Devaraj K (JIRA)" <ji...@apache.org> on 2014/04/29 12:47:20 UTC
[jira] [Moved] (MAPREDUCE-5867) Possible NPE in
KillAMPreemptionPolicy related to ProportionalCapacityPreemptionPolicy
[ https://issues.apache.org/jira/browse/MAPREDUCE-5867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Devaraj K moved YARN-1980 to MAPREDUCE-5867:
--------------------------------------------
Component/s: (was: resourcemanager)
resourcemanager
Affects Version/s: (was: 2.3.0)
2.3.0
Key: MAPREDUCE-5867 (was: YARN-1980)
Project: Hadoop Map/Reduce (was: Hadoop YARN)
> 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: Bug
> Components: resourcemanager
> Affects Versions: 2.3.0
> Reporter: Sunil G
> Attachments: 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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