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From "B Anil Kumar (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3676) Nodemanager if started before starting Resource manager is getting shutdown.But if both RM and NM are started and then after if RM is going down,NM is retrying for the RM.
Date Tue, 13 Mar 2012 17:10:39 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

B Anil Kumar updated MAPREDUCE-3676:
------------------------------------

    Attachment: MAPREDUCE-3676.patch

Currently, If NM starts before RM, then NM gets shutdown due to registration failure.  But
I *think*, an NM can start before RM, so instead of lettting NM down, it would be better to
retry RM, till it is up.
 
The same has been provided as patch.  Please let me know, whether this approach is OK or not.
 
And moreover second case, retrying RM continuously, after RM and NM started and RM's unavailabilty,
seems
  correct. 
                
> Nodemanager if started before starting Resource manager is getting shutdown.But if both
RM and NM are started and then after if RM is going down,NM is retrying for the RM.
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3676
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3676
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Ramgopal N
>         Attachments: MAPREDUCE-3676.patch
>
>
> If NM is started before starting the RM ,NM is shutting down with the following error
> {code}
> ERROR org.apache.hadoop.yarn.service.CompositeService: Error starting services org.apache.hadoop.yarn.server.nodemanager.NodeManager
> org.apache.avro.AvroRuntimeException: java.lang.reflect.UndeclaredThrowableException
> 	at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.start(NodeStatusUpdaterImpl.java:149)
> 	at org.apache.hadoop.yarn.service.CompositeService.start(CompositeService.java:68)
> 	at org.apache.hadoop.yarn.server.nodemanager.NodeManager.start(NodeManager.java:167)
> 	at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:242)
> Caused by: java.lang.reflect.UndeclaredThrowableException
> 	at org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.registerNodeManager(ResourceTrackerPBClientImpl.java:66)
> 	at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.registerWithRM(NodeStatusUpdaterImpl.java:182)
> 	at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.start(NodeStatusUpdaterImpl.java:145)
> 	... 3 more
> Caused by: com.google.protobuf.ServiceException: java.net.ConnectException: Call From
HOST-10-18-52-230/10.18.52.230 to HOST-10-18-52-250:8025 failed on connection exception: java.net.ConnectException:
Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
> 	at org.apache.hadoop.yarn.ipc.ProtoOverHadoopRpcEngine$Invoker.invoke(ProtoOverHadoopRpcEngine.java:131)
> 	at $Proxy23.registerNodeManager(Unknown Source)
> 	at org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.registerNodeManager(ResourceTrackerPBClientImpl.java:59)
> 	... 5 more
> Caused by: java.net.ConnectException: Call From HOST-10-18-52-230/10.18.52.230 to HOST-10-18-52-250:8025
failed on connection exception: java.net.ConnectException: Connection refused; For more details
see:  http://wiki.apache.org/hadoop/ConnectionRefused
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:857)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1141)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1100)
> 	at org.apache.hadoop.yarn.ipc.ProtoOverHadoopRpcEngine$Invoker.invoke(ProtoOverHadoopRpcEngine.java:128)
> 	... 7 more
> Caused by: java.net.ConnectException: Connection refused
> 	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> 	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)
> 	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
> 	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:659)
> 	at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:469)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:563)
> 	at org.apache.hadoop.ipc.Client$Connection.access$2000(Client.java:211)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1247)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1117)
> 	... 9 more
> 2012-01-16 15:04:13,336 WARN org.apache.hadoop.yarn.event.AsyncDispatcher: AsyncDispatcher
thread interrupted
> java.lang.InterruptedException
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:1899)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1934)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358)
> 	at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:76)
> 	at java.lang.Thread.run(Thread.java:619)
> 2012-01-16 15:04:13,337 INFO org.apache.hadoop.yarn.service.AbstractService: Service:Dispatcher
is stopped.
> 2012-01-16 15:04:13,392 INFO org.mortbay.log: Stopped SelectChannelConnector@0.0.0.0:9999
> 2012-01-16 15:04:13,493 INFO org.apache.hadoop.yarn.service.AbstractService: Service:org.apache.hadoop.yarn.server.nodemanager.webapp.WebServer
is stopped.
> 2012-01-16 15:04:13,493 INFO org.apache.hadoop.ipc.Server: Stopping server on 24290
> 2012-01-16 15:04:13,494 INFO org.apache.hadoop.ipc.Server: Stopping IPC Server listener
on 24290
> 2012-01-16 15:04:13,495 INFO org.apache.hadoop.ipc.Server: Stopping IPC Server Responder
> 2012-01-16 15:04:13,496 INFO org.apache.hadoop.yarn.service.AbstractService: Service:org.apache.hadoop.yarn.server.nodemanager.containermanager.loghandler.NonAggregatingLogHandler
is stopped.
> 2012-01-16 15:04:13,496 WARN org.apache.hadoop.yarn.event.AsyncDispatcher: AsyncDispatcher
thread interrupted
> java.lang.InterruptedException
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:1899)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1934)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358)
> 	at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:76)
> 	at java.lang.Thread.run(Thread.java:619)
> {code}

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