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From "Laurent Goujon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-12677) DecompressorStream throws IndexOutOfBoundsException when calling skip(long)
Date Thu, 24 Dec 2015 02:39:49 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-12677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Laurent Goujon updated HADOOP-12677:
------------------------------------
    Affects Version/s: 3.0.0
                       2.4.0
                       2.6.0

> DecompressorStream throws IndexOutOfBoundsException when calling skip(long)
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-12677
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12677
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 2.4.0, 2.6.0, 3.0.0
>            Reporter: Laurent Goujon
>
> DecompressorStream.skip(long) throws an IndexOutOfBoundException when using a long bigger
than Integer.MAX_VALUE
> This is because of this cast from long to int: https://github.com/apache/hadoop-common/blob/HADOOP-3628/src/core/org/apache/hadoop/io/compress/DecompressorStream.java#L125
> The fix is probably to do the cast after applying Math.min: in that case, it should not
be an issue since it should not be bigger than the buffer size (512)



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