Jason Lowe created MAPREDUCE-6261:
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Summary: NullPointerException if MapOutputBuffer.flush invoked
twice
Key: MAPREDUCE-6261
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6261
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mrv2
Affects Versions: 2.5.0
Reporter: Jason Lowe
MapOutputBuffer.flush will throw an NPE if it is invoked twice, since it
blindly assumes kvbuffer is not null yet sets kvbuffer to null towards the end
of the method.
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