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