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https://issues.apache.org/jira/browse/MAPREDUCE-7123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Amithsha resolved MAPREDUCE-7123.
---------------------------------
Resolution: Not A Bug
Closing this because we are using HDP Client jar of 2.7.1 on 2.9.0 server.
This is not recommended so closing this.
> AM Failed with Communication error to RM
> ----------------------------------------
>
> Key: MAPREDUCE-7123
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7123
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2, yarn
> Affects Versions: 2.9.0
> Reporter: Amithsha
> Priority: Major
>
> During the restart of nodemanagers in 300 node cluster some jobs failed with
> the following exceptions.
> But the nodes where the AM launched is not the part of cluster.
> FATAL [AsyncDispatcher event handler]
> org.apache.hadoop.yarn.event.AsyncDispatcher: Error in dispatcher thread
> java.lang.NullPointerException at
> org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl$UpdatedNodesTransition.transition(JobImpl.java:2146)
> at
> org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl$UpdatedNodesTransition.transition(JobImpl.java:2139)
> at
> org.apache.hadoop.yarn.state.StateMachineFactory$SingleInternalArc.doTransition(StateMachineFactory.java:362)
> at
> org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
> at
> org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
> at
> org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
> at
> org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:998)
> at
> org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:138)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobEventDispatcher.handle(MRAppMaster.java:1346)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobEventDispatcher.handle(MRAppMaster.java:1342)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:183)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
> at java.lang.Thread.run(Thread.java:745) 2018-07-14 12:34:53,425 ERROR
> [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator: ERROR IN CONTACTING RM.
> java.lang.NullPointerException at
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.handleUpdatedNodes(RMContainerAllocator.java:875)
> at
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.getResources(RMContainerAllocator.java:776)
> at
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.heartbeat(RMContainerAllocator.java:256)
> at
> org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator$AllocatorRunnable.run(RMCommunicator.java:281)
> at java.lang.Thread.run(Thread.java:745) 2018-07-14 12:34:53,427 INFO
> [AsyncDispatcher ShutDown handler]
> org.apache.hadoop.yarn.event.AsyncDispatcher: Exiting, bbye..
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