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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1986) In Fifo Scheduler, node heartbeat in between creating app and attempt causes NPE
Date Wed, 14 May 2014 03:14:16 GMT

     [ https://issues.apache.org/jira/browse/YARN-1986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sandy Ryza updated YARN-1986:
-----------------------------

    Assignee: Hong Zhiguo  (was: Sandy Ryza)

> 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
>         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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