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From "Ilya Katsov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4470) Fix TestCombineFileInputFormat.testForEmptyFile
Date Wed, 15 Aug 2012 07:25:38 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13434857#comment-13434857
] 

Ilya Katsov commented on MAPREDUCE-4470:
----------------------------------------

Mariappan,
I've added this test to the patch. As far as I see, getSplits depends directly on FileSystem.getFileBlockLocations
only in FileInputFormat and CombinedFileInputFormat, so other InputFormat implementations
should be OK. Please let me know if I'm wrong on this.
                
> Fix TestCombineFileInputFormat.testForEmptyFile
> -----------------------------------------------
>
>                 Key: MAPREDUCE-4470
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4470
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 2.0.0-alpha
>            Reporter: Kihwal Lee
>             Fix For: 2.1.0-alpha, 3.0.0
>
>         Attachments: MAPREDUCE-4470-2.patch, MAPREDUCE-4470.patch, TestFileInputFormat.java,
TestFileInputFormat.java
>
>
> TestCombineFileInputFormat.testForEmptyFile started failing after HADOOP-8599. 
> It expects one split on an empty input file, but with HADOOP-8599 it gets zero. The new
behavior seems correct, but is it breaking anything else?

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