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

["Harsh J Chouraria (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Harsh J Chouraria updated MAPREDUCE-1242:
-----------------------------------------

    Attachment: MAPREDUCE-1242.r2.patch

New patch that adds in the other pointer as requested by Amareshwari. Hope this clears up the doc issue.

> Chain APIs error misleading
> ---------------------------
>
>                 Key: MAPREDUCE-1242
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1242
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Amogh Vasekar
>            Assignee: Harsh J Chouraria
>            Priority: Trivial
>         Attachments: MAPREDUCE-1242.patch, MAPREDUCE-1242.r2.patch
>
>
> 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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