Patrick Hunt created MRUNIT-158:
-----------------------------------

             Summary: withOutput doesn't generate useful information with 
MapWritable on error
                 Key: MRUNIT-158
                 URL: https://issues.apache.org/jira/browse/MRUNIT-158
             Project: MRUnit
          Issue Type: Bug
    Affects Versions: 0.9.0
            Reporter: Patrick Hunt
            Priority: Critical


Using withOutput generates the following, notice that the hashcode is printed 
rather than some useful detail as to the content of the maps:

Nov 9, 2012 2:40:01 PM org.apache.hadoop.mrunit.TestDriver logError
SEVERE: Missing expected output (null-0, org.apache.hadoop.io.MapWritable@e1) 
at position 0.
Nov 9, 2012 2:40:01 PM org.apache.hadoop.mrunit.TestDriver logError
SEVERE: Received unexpected output (null-0, 
org.apache.hadoop.io.MapWritable@2059) at position 0.


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