Gonzalo Herreros created HADOOP-15517:
-----------------------------------------
Summary: NPE on MapReduce AM leaves the job in an inconsistent
state
Key: HADOOP-15517
URL: https://issues.apache.org/jira/browse/HADOOP-15517
Project: Hadoop Common
Issue Type: Bug
Affects Versions: 2.7.3
Reporter: Gonzalo Herreros
On AWS, running a MapReduce job, one of the nodes died and was decommissioned.
However, the AM doesn't seem to handle that well and the job didn't complete
mappers correctly from there.
{code:java}
2018-06-07 14:29:08,686 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:879)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.getResources(RMContainerAllocator.java:779)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.heartbeat(RMContainerAllocator.java:259)
at
org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator$AllocatorRunnable.run(RMCommunicator.java:281)
at java.lang.Thread.run(Thread.java:748)
2018-06-07 14:29:08,686 INFO [IPC Server handler 4 on 46577]
org.apache.hadoop.mapred.TaskAttemptListenerImpl: MapCompletionEvents request
from attempt_1528378746527_0011_r_000553_0. startIndex 13112 maxEvents 1453
2018-06-07 14:29:08,686 ERROR [AsyncDispatcher event handler]
org.apache.hadoop.yarn.event.AsyncDispatcher: Error in dispatcher thread
java.lang.NullPointerException
at
org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl$UpdatedNodesTransition.transition(JobImpl.java:2162)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl$UpdatedNodesTransition.transition(JobImpl.java:2155)
at
org.apache.hadoop.yarn.state.StateMachineFactory$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:997)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:139)
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:184)
at
org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:110)
at java.lang.Thread.run(Thread.java:748)
2018-06-07 14:29:08,688 INFO [AsyncDispatcher ShutDown handler]
org.apache.hadoop.yarn.event.AsyncDispatcher: Exiting, bbye..
{code}
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