AM can crash if task attempt reports bogus progress value
---------------------------------------------------------
Key: MAPREDUCE-4025
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4025
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mr-am, mrv2
Affects Versions: 0.23.2
Reporter: Jason Lowe
If a task attempt reports a bogus progress value (e.g.: something above 1.0)
then the AM can crash like this:
{noformat}
java.lang.ArrayIndexOutOfBoundsException: 12
at
org.apache.hadoop.mapred.PeriodicStatsAccumulator.extend(PeriodicStatsAccumulator.java:185)
at
org.apache.hadoop.mapred.WrappedPeriodicStatsAccumulator.extend(WrappedPeriodicStatsAccumulator.java:31)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.updateProgressSplits(TaskAttemptImpl.java:1043)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.access$4100(TaskAttemptImpl.java:136)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl$StatusUpdater.transition(TaskAttemptImpl.java:1509)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl$StatusUpdater.transition(TaskAttemptImpl.java:1490)
at
org.apache.hadoop.yarn.state.StateMachineFactory$SingleInternalArc.doTransition(StateMachineFactory.java:357)
at
org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:298)
at
org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:43)
at
org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:443)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.handle(TaskAttemptImpl.java:931)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.handle(TaskAttemptImpl.java:135)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster$TaskAttemptEventDispatcher.handle(MRAppMaster.java:886)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster$TaskAttemptEventDispatcher.handle(MRAppMaster.java:878)
at
org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:125)
at
org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:74)
at java.lang.Thread.run(Thread.java:619)
{noformat}
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