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https://issues.apache.org/jira/browse/YARN-7925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sunil G updated YARN-7925:
--------------------------
    Priority: Blocker  (was: Major)

> Some NPE errors caused a display errors when setting node labels
> ----------------------------------------------------------------
>
>                 Key: YARN-7925
>                 URL: https://issues.apache.org/jira/browse/YARN-7925
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 3.1.0
>            Reporter: Jinjiang Ling
>            Assignee: Jinjiang Ling
>            Priority: Blocker
>         Attachments: DisplayError.png, YARN-7925.001.patch
>
>
> I'm trying to using the node label with latest hadoop (3.1.0-SNAPSHOT). But 
> when I add a new node label and append a nodemanager to it, sometimes it may 
> cause a display error.
> !DisplayError.png|width=573,height=188!
> Then I found *when there is no queues can access to the label*,  this error 
> will happen.
> After checking the log, I find some NPE errors.
> {quote}......
>  Caused by: java.lang.NullPointerException
>  at 
> org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ResourceInfo.toString(ResourceInfo.java:73)
>  at 
> org.apache.hadoop.yarn.server.resourcemanager.webapp.CapacitySchedulerPage$LeafQueueInfoBlock.renderQueueCapacityInfo(CapacitySchedulerPage.java:160)
>  ......
> {quote}
>  
>  



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