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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3070) NM not able to register with RM after NM restart
Date Fri, 21 Oct 2011 15:04:32 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13132729#comment-13132729
] 

Hadoop QA commented on MAPREDUCE-3070:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12500185/MAPREDUCE-3070-1.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    -1 findbugs.  The patch appears to introduce 160 new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed unit tests in .

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1101//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1101//artifact/trunk/hadoop-mapreduce-project/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-app.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1101//artifact/trunk/hadoop-mapreduce-project/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-core.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1101//artifact/trunk/hadoop-mapreduce-project/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-common.html
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1101//console

This message is automatically generated.
                
> 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, nodemanager
>    Affects Versions: 0.23.0
>            Reporter: Ravi Teja Ch N V
>            Assignee: Devaraj K
>            Priority: Blocker
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-3070-1.patch, MAPREDUCE-3070.patch
>
>
> 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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