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From "Dave Beech (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MRUNIT-158) withOutput doesn't generate useful information with MapWritable on error
Date Thu, 15 Nov 2012 11:40:12 GMT

    [ https://issues.apache.org/jira/browse/MRUNIT-158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13497954#comment-13497954
] 

Dave Beech commented on MRUNIT-158:
-----------------------------------

Great, thanks. 

Patrick - would this change be enough to resolve the issue in your eyes? You wouldn't get
any more detail about the contents of your MapWritable instances because of the lack of toString,
but you would get an idea as to why the tests fail. 

If this sounds OK I'll create a patch later. 
                
> 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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