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From "Bertrand Dechoux (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (MRUNIT-158) withOutput doesn't generate useful information with MapWritable on error
Date Thu, 15 Nov 2012 11:08:13 GMT

    [ https://issues.apache.org/jira/browse/MRUNIT-158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13497938#comment-13497938
] 

Bertrand Dechoux edited comment on MRUNIT-158 at 11/15/12 11:07 AM:
--------------------------------------------------------------------

I really like that proposal. It will indeed help the user and it does not introduce behaviour
that could be regretted later on.
(And its arguably more constructive than my answers.)
                
      was (Author: bdechoux):
    I really like that proposal. It will indeed help the user and it does not introduce behaviour
that could be regretted later on.
                  
> 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: Improvement
>    Affects Versions: 0.9.0
>            Reporter: Patrick Hunt
>            Priority: Minor
>
> 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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