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  1. Hadoop Map/Reduce
  2. MAPREDUCE-5918

LineRecordReader can return the same decompressor to CodecPool multiple times

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.3.0
    • Fix Version/s: 2.7.0
    • Component/s: None
    • Labels:
      None
    • Target Version/s:

      Description

      LineRecordReader can return the same decompressor to CodecPool multiple times if method close() called multiple times. In this case CodecPool doesn't guarantee that it always return different decompressors. This issue can cause some difficult reproducible and difficult diagnosable bugs in Hadoop based programs.

        Attachments

        1. MAPREDUCE-5918.1.patch
          3 kB
          Sergey Murylev
        2. MAPREDUCE-5918.2.patch
          7 kB
          Sergey Murylev
        3. MAPREDUCE-5918.3.patch
          7 kB
          Sergey Murylev
        4. MAPREDUCE-5918.4.patch
          14 kB
          Sergey Murylev

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              • Assignee:
                phoenix13 Sergey Murylev
                Reporter:
                phoenix13 Sergey Murylev
              • Votes:
                3 Vote for this issue
                Watchers:
                7 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: