[ 
https://issues.apache.org/jira/browse/YARN-383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Hitesh Shah updated YARN-383:
-----------------------------

    Description: 
2013-02-06 09:31:33,813 INFO  [Thread-2] service.CompositeService 
(CompositeService.java:stop(101)) - Error stopping 
org.apache.hadoop.yarn.client.AMRMClientImpl
org.apache.hadoop.HadoopIllegalArgumentException: Cannot close proxy since it 
is null
        at org.apache.hadoop.ipc.RPC.stopProxy(RPC.java:605)
        at 
org.apache.hadoop.yarn.client.AMRMClientImpl.stop(AMRMClientImpl.java:150)
        at 
org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:99)
        at 
org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:89)


  was:
2013-02-06 09:31:33,813 INFO  [Thread-2] service.CompositeService 
(CompositeService.java:stop(101)) - Error stopping 
org.apache.hadoop.yarn.client.AMRMClientImpl
org.apache.hadoop.HadoopIllegalArgumentException: Cannot close proxy since it 
is null
        at org.apache.hadoop.ipc.RPC.stopProxy(RPC.java:605)
        at 
org.apache.hadoop.yarn.client.AMRMClientImpl.stop(AMRMClientImpl.java:150)
        at 
org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:99)
        at 
org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:89)
        at 
org.apache.hadoop.yarn.app.ampool.AMPoolAppMaster.stop(AMPoolAppMaster.java:171)
        at 
org.apache.hadoop.yarn.app.ampool.AMPoolAppMaster$AMPoolAppMasterShutdownHook.run(AMPoolAppMaster.java:196)
        at 
org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54)


    
> AMRMClientImpl should handle null rmClient in stop()
> ----------------------------------------------------
>
>                 Key: YARN-383
>                 URL: https://issues.apache.org/jira/browse/YARN-383
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Hitesh Shah
>            Assignee: Hitesh Shah
>            Priority: Minor
>         Attachments: YARN-383.1.patch
>
>
> 2013-02-06 09:31:33,813 INFO  [Thread-2] service.CompositeService 
> (CompositeService.java:stop(101)) - Error stopping 
> org.apache.hadoop.yarn.client.AMRMClientImpl
> org.apache.hadoop.HadoopIllegalArgumentException: Cannot close proxy since it 
> is null
>         at org.apache.hadoop.ipc.RPC.stopProxy(RPC.java:605)
>         at 
> org.apache.hadoop.yarn.client.AMRMClientImpl.stop(AMRMClientImpl.java:150)
>         at 
> org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:99)
>         at 
> org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:89)

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