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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1663) NPE in FifoScheduler.assignContainers
Date Tue, 28 Jan 2014 18:23:38 GMT

    [ https://issues.apache.org/jira/browse/YARN-1663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13884380#comment-13884380
] 

Steve Loughran commented on YARN-1663:
--------------------------------------

There's a lot of similarity to YARN-1572, though the full stack trace is different -maybe
due to changes between 2.2 and 2.4 source. 

> NPE in FifoScheduler.assignContainers
> -------------------------------------
>
>                 Key: YARN-1663
>                 URL: https://issues.apache.org/jira/browse/YARN-1663
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scheduler
>    Affects Versions: 2.4.0
>         Environment: (starting AM client that is marked as wanting containers back on
restart)
>            Reporter: Steve Loughran
>            Priority: Minor
>
> NPE see in scheduler thread running in a MiniYARNCluster with the fifo scheduler
> {code}
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.assignContainers(FifoScheduler.java:461)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.nodeUpdate(FifoScheduler.java:718)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.handle(FifoScheduler.java:747)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.handle(FifoScheduler.java:105)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:543)
> {code}



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