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https://issues.apache.org/jira/browse/YARN-2863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14215674#comment-14215674
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yangping wu commented on YARN-2863:
-----------------------------------

Hi Wei Yan, thanks you for your reply. The bug was solved in Hadoop 3.0.0.

> ResourceManager will shutdown when job's queuename is empty
> -----------------------------------------------------------
>
>                 Key: YARN-2863
>                 URL: https://issues.apache.org/jira/browse/YARN-2863
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.2.0
>            Reporter: yangping wu
>              Labels: hadoop
>             Fix For: 3.0.0
>
>   Original Estimate: 8h
>  Remaining Estimate: 8h
>
> When I submit a job to hadoop cluster, but don't specified a queuename as 
> follow
> {code}
>  $HADOOP_HOME/bin/hadoop jar statistics.jar com.iteblog.Sts 
> -Dmapreduce.job.queuename=   
>  {code}
>  and if *yarn.scheduler.fair.allow-undeclared-pools* is not overwrite by 
> user(default is true), then QueueManager will call createLeafQueue method to 
> create the queue, because mapreduce.job.queuename is empty and cann't find it 
> in QueueManager  .But  this  will throw MetricsException
> {code}
> 2014-11-14 16:07:57,358 FATAL 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error in 
> handling event type APP_ADDED to the scheduler
> org.apache.hadoop.metrics2.MetricsException: Metrics source 
> QueueMetrics,q0=root already exists!
>         at 
> org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newSourceName(DefaultMetricsSystem.java:126)
>         at 
> org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.sourceName(DefaultMetricsSystem.java:107)
>         at 
> org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:217)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueueMetrics.forQueue(FSQueueMetrics.java:94)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueue.<init>(FSQueue.java:57)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSLeafQueue.<init>(FSLeafQueue.java:57)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.QueueManager.createLeafQueue(QueueManager.java:191)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.QueueManager.getLeafQueue(QueueManager.java:136)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.assignToQueue(FairScheduler.java:652)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.addApplication(FairScheduler.java:610)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:1015)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:112)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:440)
>         at java.lang.Thread.run(Thread.java:744)
> 2014-11-14 16:07:57,359 INFO 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Exiting, bbye..
> {code}



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