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