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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4898) FileOutputFormat.checkOutputSpecs and FileOutputFormat.setOutputPath incompatible with MR1
Date Thu, 18 Apr 2013 18:50:15 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13635517#comment-13635517
] 

Alejandro Abdelnur commented on MAPREDUCE-4898:
-----------------------------------------------

Thanks for verifying this Robert.

+1
                
> FileOutputFormat.checkOutputSpecs and FileOutputFormat.setOutputPath incompatible with
MR1
> ------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4898
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4898
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>            Reporter: Robert Kanter
>            Assignee: Robert Kanter
>             Fix For: 2.0.5-beta
>
>         Attachments: MAPREDUCE-4898.patch
>
>
> In MR1, {{org.apache.hadoop.mapreduce.lib.output.FileOutputFormat.checkOutputSpecs}}
throws {{org.apache.hadoop.mapred.FileAlreadyExistsException}} but now it throws {{org.apache.hadoop.fs.FileAlreadyExistsException}}
instead, making them incompatible.  
> In MR1, {{org.apache.hadoop.mapreduce.lib.output.FileOutputFormat.setOutputPath}} doesn't
throw any exceptions but now it throws an {{IOException}}, making them incompatible.  

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