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Posted to common-dev@hadoop.apache.org by "Laurent Goujon (JIRA)" <ji...@apache.org> on 2015/12/24 03:38:49 UTC

[jira] [Created] (HADOOP-12677) DecompressorStream throws IndexOutOfBoundsException when calling skip(long)

Laurent Goujon created HADOOP-12677:
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             Summary: 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
            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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