JobInProgressListener events might be garbled
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Key: MAPREDUCE-758
URL: https://issues.apache.org/jira/browse/MAPREDUCE-758
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: jobtracker
Reporter: Amar Kamat
Consider the following scenario
# EagerTaskInitializer calls jobtracker.initJob(obj1)
# initJob will snapshot the job run-state to PREP
# Before initJob() issues job1.initTask(), user issues a kill and the job now
moves to KILLED state. The jobtracker updates the listener about the
PREP->KILLED event.
# Now initJob() issues a job1.initTask() which comes out nicely.
# initJob() now snapshots the job state it will be KILLED
# jobtracker now updates the listener with PREP->KILLED event which is incorrect
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