Amithsha created MAPREDUCE-7123:
-----------------------------------
Summary: 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
Affects Versions: 2.9.0
Reporter: Amithsha
During the restart of nodemanagers in the cluster some jobs failed with the
following exceptions.
But the node 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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