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https://issues.apache.org/jira/browse/HIVE-5100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V updated HIVE-5100:
--------------------------

               Labels: regression  (was: )
    Affects Version/s: 0.12.0
         Release Note: Fix off-by-one regression RCFile::sync(long) resulting 
in skipped sync points.
               Status: Patch Available  (was: Open)
    
>  RCFile::sync(long)  missing 1 byte in System.arraycopy()
> ---------------------------------------------------------
>
>                 Key: HIVE-5100
>                 URL: https://issues.apache.org/jira/browse/HIVE-5100
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.12.0
>            Reporter: tagus wang
>            Assignee: Gopal V
>              Labels: regression
>         Attachments: HIVE-5100-001.patch
>
>
> this has a bug in this:
> System.arraycopy(buffer, buffer.length - prefix - 1, buffer, 0, prefix);
> it should be 
> System.arraycopy(buffer, buffer.length - prefix, buffer, 0, prefix);
> it is missing 1 byte at the end.

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