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From "Ravi Teja Ch N V (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3070) NM not able to register with RM after NM restart
Date Thu, 22 Sep 2011 14:34:26 GMT
NM not able to register with RM after NM restart
------------------------------------------------

                 Key: MAPREDUCE-3070
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3070
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2
            Reporter: Ravi Teja Ch N V
            Priority: Blocker


After stopping NM gracefully then starting NM, NM registration fails with RM with Duplicate
registration from the node! error.


{noformat} 
2011-09-23 01:50:46,705 FATAL nodemanager.NodeManager (NodeManager.java:main(204)) - Error
starting NodeManager
org.apache.hadoop.yarn.YarnException: Failed to Start org.apache.hadoop.yarn.server.nodemanager.NodeManager
	at org.apache.hadoop.yarn.service.CompositeService.start(CompositeService.java:78)
	at org.apache.hadoop.yarn.server.nodemanager.NodeManager.start(NodeManager.java:153)
	at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:202)
Caused by: org.apache.avro.AvroRuntimeException: org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl:
Duplicate registration from the node!
	at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.start(NodeStatusUpdaterImpl.java:141)
	at org.apache.hadoop.yarn.service.CompositeService.start(CompositeService.java:68)
	... 2 more
Caused by: org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl: Duplicate
registration from the node!
	at org.apache.hadoop.yarn.ipc.ProtoOverHadoopRpcEngine$Invoker.invoke(ProtoOverHadoopRpcEngine.java:142)
	at $Proxy13.registerNodeManager(Unknown Source)
	at org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.registerNodeManager(ResourceTrackerPBClientImpl.java:59)
	at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.registerWithRM(NodeStatusUpdaterImpl.java:175)
	at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.start(NodeStatusUpdaterImpl.java:137)
	... 3 more
{noformat} 


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