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https://issues.apache.org/jira/browse/MAPREDUCE-4470?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mariappan Asokan updated MAPREDUCE-4470:
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Attachment: TestFileInputFormat.java
I think a proper fix should address all InputFormat implementations. Tests for
empty input should be added for all input formats. For example, I added a test
in TestFileInputFormat.java to test for empty input. It is also failing.
> 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.patch, 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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