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From "Bibin A Chundatt (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-3425) NPE during resourcemanager shutdown with node label with out datanode started
Date Tue, 31 Mar 2015 20:20:55 GMT
Bibin A Chundatt created YARN-3425:
--------------------------------------

             Summary: NPE during resourcemanager shutdown with node label with out datanode
started
                 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


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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