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From "Dave Beech (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MRUNIT-158) withOutput doesn't generate useful information with MapWritable on error
Date Fri, 30 Nov 2012 23:21:59 GMT

     [ https://issues.apache.org/jira/browse/MRUNIT-158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dave Beech resolved MRUNIT-158.
-------------------------------

       Resolution: Fixed
    Fix Version/s: 1.0.0

I've just committed a patch to add log warnings if the user's key and value types do not override
equals, hashCode or toString(). Please re-open if there's anything else you feel should go
in to help resolve this.  
                
> 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
>            Assignee: Dave Beech
>            Priority: Minor
>             Fix For: 1.0.0
>
>
> 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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