Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.14.0
    • Fix Version/s: 0.15.0
    • Component/s: None
    • Labels:
      None

      Description

      Under pipes, when specifying number of reducers to zero, all map tasks fail:

      java.io.IOException: pipe child exception
      at org.apache.hadoop.mapred.pipes.Application.abort(Application.java:124)
      at org.apache.hadoop.mapred.pipes.PipesMapRunner.run(PipesMapRunner.java:82)
      at org.apache.hadoop.mapred.MapTask.run(MapTask.java:189)
      at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1763)
      Caused by: java.net.SocketException: Connection reset
      at java.net.SocketInputStream.read(SocketInputStream.java:168)
      at java.net.SocketInputStream.read(SocketInputStream.java:182)
      at java.io.DataInputStream.readByte(DataInputStream.java:248)
      at org.apache.hadoop.io.WritableUtils.readVLong(WritableUtils.java:313)
      at org.apache.hadoop.io.WritableUtils.readVInt(WritableUtils.java:335)
      at org.apache.hadoop.mapred.pipes.BinaryProtocol$UplinkReaderThread.run(BinaryProtocol.java:101)

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            • Assignee:
              owen.omalley Owen O'Malley
              Reporter:
              ckunz Christian Kunz
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              Dates

              • Created:
                Updated:
                Resolved: