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https://issues.apache.org/jira/browse/HIVE-3638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486609#comment-13486609
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Navis commented on HIVE-3638:
-----------------------------

HIVE-2955 started writing dummy value for empty file preventing being removed 
at CombineHiveInputFormatter. Could you try run test with the patch?

And.. First one (at line 84) should be null, IMHO. It could be a different 
issue.
                
> metadataonly1.q test fails with Hadoop23
> ----------------------------------------
>
>                 Key: HIVE-3638
>                 URL: https://issues.apache.org/jira/browse/HIVE-3638
>             Project: Hive
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 0.10.0, 0.9.1
>            Reporter: Chris Drome
>
> Hive creates an empty file as a hack to get Hadoop to run a mapper.
> This no longer works with Hadoop23, causing this test to fail. Note that this 
> tests empty partitions.

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