[ 
https://issues.apache.org/jira/browse/YARN-1986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13999022#comment-13999022
 ] 

Hudson commented on YARN-1986:
------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #5605 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/5605/])
YARN-1986. In Fifo Scheduler, node heartbeat in between creating app and 
attempt causes NPE (Hong Zhiguo via Sandy Ryza) (sandy: 
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1594476)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestFifoScheduler.java


> In Fifo Scheduler, node heartbeat in between creating app and attempt causes 
> NPE
> --------------------------------------------------------------------------------
>
>                 Key: YARN-1986
>                 URL: https://issues.apache.org/jira/browse/YARN-1986
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.4.0
>            Reporter: Jon Bringhurst
>            Assignee: Hong Zhiguo
>            Priority: Critical
>             Fix For: 2.4.1
>
>         Attachments: YARN-1986-2.patch, YARN-1986-3.patch, 
> YARN-1986-testcase.patch, YARN-1986.patch
>
>
> After upgrade from 2.2.0 to 2.4.0, NPE on first job start.
> -After RM was restarted, the job runs without a problem.-
> {noformat}
> 19:11:13,441 FATAL ResourceManager:600 - Error in handling event type 
> NODE_UPDATE to the scheduler
> java.lang.NullPointerException
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.assignContainers(FifoScheduler.java:462)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.nodeUpdate(FifoScheduler.java:714)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.handle(FifoScheduler.java:743)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.handle(FifoScheduler.java:104)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:591)
>       at java.lang.Thread.run(Thread.java:744)
> 19:11:13,443  INFO ResourceManager:604 - Exiting, bbye..
> {noformat}



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