Gridmix throws NPE and does not simulate a job if the trace contains null
taskStatus for a task
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Key: MAPREDUCE-3953
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3953
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Ravi Gummadi
Assignee: Ravi Gummadi
In a trace file, if a succeeded job contains a failed task, then that task's
taskStatus will be null. This is causing NPE in Gridmix and then Gridmix is
ignoring/not-considering such jobs for simulation. The job could succeed even
with failed tasks if the job submitter in original cluster configured that job
to tolerate failures using mapreduce.map.failures.maxpercent and
mapreduce.reduce.failures.maxpercent.
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