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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3425) NPE from RMNodeLabelsManager.serviceStop when NodeLabelsManager.serviceInit failed
Date Tue, 31 Mar 2015 20:31:52 GMT

     [ https://issues.apache.org/jira/browse/YARN-3425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wangda Tan updated YARN-3425:
-----------------------------
    Summary: NPE from RMNodeLabelsManager.serviceStop when NodeLabelsManager.serviceInit failed
 (was: NPE during resourcemanager shutdown with node label with out datanode started)

> NPE from RMNodeLabelsManager.serviceStop when NodeLabelsManager.serviceInit failed
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-3425
>                 URL: https://issues.apache.org/jira/browse/YARN-3425
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>         Environment: 1 RM, 1 NM , 1 NN , I DN
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>            Priority: Minor
>         Attachments: YARN-3425.001.patch
>
>
> Configure yarn.node-labels.enabled to true 
> and yarn.node-labels.fs-store.root-dir /node-labels
> Start resource manager without starting DN/NM
> {quote}
> 2015-03-31 16:44:13,782 WARN org.apache.hadoop.service.AbstractService: When stopping
the service org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager : java.lang.NullPointerException
> java.lang.NullPointerException
> 	at org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.stopDispatcher(CommonNodeLabelsManager.java:261)
> 	at org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.serviceStop(CommonNodeLabelsManager.java:267)
> 	at org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221)
> 	at org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:52)
> 	at org.apache.hadoop.service.ServiceOperations.stopQuietly(ServiceOperations.java:80)
> 	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:171)
> 	at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:556)
> 	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.createAndInitActiveServices(ResourceManager.java:984)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:251)
> 	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1207)
> {quote}
> {code}
>  protected void stopDispatcher() {
>     AsyncDispatcher asyncDispatcher = (AsyncDispatcher) dispatcher;
>        asyncDispatcher.stop(); 
>   }
> {code}
> Null check missing during stop



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