Benjamin Teke created MAPREDUCE-7468:
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             Summary: Change add-opens flag's default value from true to false
                 Key: MAPREDUCE-7468
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7468
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
            Reporter: Benjamin Teke
            Assignee: Benjamin Teke


To support avoid issues when a newer JobClient is used with Hadoop versions 
without MAPREDUCE-7449 the default value of mapreduce.jvm.add-opens-as-default 
should be false. Currently it's true, this can cause if a newer JobClient is 
used to submit apps, as the placeholder replacement won't happen during a 
container launch, resulting in a failed submission.



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