Jason Lowe created MAPREDUCE-5446:
-------------------------------------

             Summary: TestJobHistoryEvents and TestJobHistoryParsing have race 
conditions
                 Key: MAPREDUCE-5446
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5446
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2, test
    Affects Versions: 2.1.0-beta
            Reporter: Jason Lowe


TestJobHistoryEvents and TestJobHistoryParsing are not properly waiting for 
MRApp to finish.  Currently they are polling the service state looking for 
Service.STATE.STOPPED, but the service can appear to be in that state *before* 
it is fully stopped.  This causes tests to finish with MRApp threads still 
in-flight, and those threads can conflict with subsequent tests when they 
collide in the filesystem.


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