Peter Bacsko created MAPREDUCE-6856:
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Summary: TestRecovery.testSpeculative fails if testCrashed fails
Key: MAPREDUCE-6856
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6856
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Peter Bacsko
Assignee: Peter Bacsko
The test {{testSpeculative}} in
{{org.apache.hadoop.mapreduce.v2.app.TestRecovery}} is unstable.
Based on my findings, the test itself is not problematic. It only fails if
{{testCrashed}} in the same class fails before it.
The reason is not completely clear to me, but I whenever I explicitly stop the
MRAppMaster in {{testCrashed}} in a finally block, then the issue disappears. I
think the reason is that both tests uses the same folder for staging.
Solution: wrap logic in {{testCrashed}} in a try-finally block and then stop
the MRAppMaster.
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