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https://issues.apache.org/jira/browse/MAPREDUCE-3530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Vinod Kumar Vavilapalli updated MAPREDUCE-3530:
-----------------------------------------------
Status: Open (was: Patch Available)
Patch looks good overall.
Minor edits:
- RNNodeImpl.getStateMachine() isn't used anywhere.
- The real ContainerID etc are as easy to be created using BuilderUtils.
I'll upload an updated patch with these trivial edits and push this in after
Jenkins blesses it.
> Sometimes NODE_UPDATE to the scheduler throws an NPE causing the scheduling
> to stop
> -----------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3530
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3530
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2, resourcemanager, scheduler
> Affects Versions: 0.23.1
> Reporter: Karam Singh
> Assignee: Arun C Murthy
> Priority: Blocker
> Attachments: MAPREDUCE-3530-20111214.txt, MAPREDUCE-3530.patch,
> MAPREDUCE-3530.patch
>
>
> Sometimes NODE_UPDATE to the scheduler throws NPE causes scheduling to stop
> but ResourceManager keeps on running.
> I have been observing intermitently for last 3 weeks.
> But with latest svn code. I tried to run sort twice and both times Job got
> stuck due to NPE.
> {code}
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApp.containerLaunchedOnNode(SchedulerApp.java:181)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.containerLaunchedOnNode(CapacityScheduler.java:596)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.nodeUpdate(CapacityScheduler.java:539)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:617)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:77)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:294)
> at java.lang.Thread.run(Thread.java:619)
> {code}
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