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https://issues.apache.org/jira/browse/YARN-3971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14643736#comment-14643736
 ] 

Bibin A Chundatt commented on YARN-3971:
----------------------------------------

Test case failure is not related to this patch

> Skip RMNodeLabelsManager#checkRemoveFromClusterNodeLabelsOfQueue on nodelabel 
> recovery
> --------------------------------------------------------------------------------------
>
>                 Key: YARN-3971
>                 URL: https://issues.apache.org/jira/browse/YARN-3971
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>            Priority: Critical
>         Attachments: 0001-YARN-3971.patch, 0002-YARN-3971.patch, 
> 0003-YARN-3971.patch, 0004-YARN-3971.patch
>
>
> Steps to reproduce 
> # Create label x,y
> # Delete label x,y
> # Create label x,y add capacity scheduler xml for labels x and y too
> # Restart RM 
>  
> Both RM will become Standby.
> Since below exception is thrown on {{FileSystemNodeLabelsStore#recover}}
> {code}
> 2015-07-23 14:03:33,627 INFO org.apache.hadoop.service.AbstractService: 
> Service org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager failed in 
> state STARTED; cause: java.io.IOException: Cannot remove label=x, because 
> queue=a1 is using this label. Please remove label on queue before remove the 
> label
> java.io.IOException: Cannot remove label=x, because queue=a1 is using this 
> label. Please remove label on queue before remove the label
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager.checkRemoveFromClusterNodeLabelsOfQueue(RMNodeLabelsManager.java:104)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager.removeFromClusterNodeLabels(RMNodeLabelsManager.java:118)
>         at 
> org.apache.hadoop.yarn.nodelabels.FileSystemNodeLabelsStore.recover(FileSystemNodeLabelsStore.java:221)
>         at 
> org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.initNodeLabelStore(CommonNodeLabelsManager.java:232)
>         at 
> org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.serviceStart(CommonNodeLabelsManager.java:245)
>         at 
> org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
>         at 
> org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:120)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStart(ResourceManager.java:587)
>         at 
> org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startActiveServices(ResourceManager.java:964)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$1.run(ResourceManager.java:1005)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$1.run(ResourceManager.java:1001)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:422)
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1666)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToActive(ResourceManager.java:1001)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.AdminService.transitionToActive(AdminService.java:312)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.EmbeddedElectorService.becomeActive(EmbeddedElectorService.java:126)
>         at 
> org.apache.hadoop.ha.ActiveStandbyElector.becomeActive(ActiveStandbyElector.java:832)
>         at 
> org.apache.hadoop.ha.ActiveStandbyElector.processResult(ActiveStandbyElector.java:422)
>         at 
> org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:599)
>         at 
> org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498)
> {code}



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