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https://issues.apache.org/jira/browse/YARN-1986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sandy Ryza updated YARN-1986:
-----------------------------
Summary: In Fifo Scheduler, node heartbeat in between creating app and
attempt causes NPE (was: After upgrade from 2.2.0 to 2.4.0, NPE on first job
start.)
> 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: Sandy Ryza
> 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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