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Posted to mapreduce-dev@hadoop.apache.org by "Amogh Vasekar (JIRA)" <ji...@apache.org> on 2009/11/25 16:31:39 UTC

[jira] Created: (MAPREDUCE-1242) Chain APIs error misleading

Chain APIs error misleading
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                 Key: MAPREDUCE-1242
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1242
             Project: Hadoop Map/Reduce
          Issue Type: Bug
            Reporter: Amogh Vasekar
            Priority: Trivial


Hi,
I was using the Chain[Mapper/Reducer] APIs , and in Class Chain line 207 the error thrown : 

"The Mapper output key class does not match the previous Mapper input key class"

Shouldn't this be "The Mapper *input* key class does not match the previous Mapper *Output* key class" ? Sort of misleads :) 


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