Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Major 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)

        Activity

        Christian Kunz created issue -
        Owen O'Malley made changes -
        Field Original Value New Value
        Attachment pipe-no-reduce.patch [ 12366154 ]
        Owen O'Malley made changes -
        Assignee Owen O'Malley [ owen.omalley ]
        Owen O'Malley made changes -
        Fix Version/s 0.15.0 [ 12312565 ]
        Status Open [ 1 ] Patch Available [ 10002 ]
        Devaraj Das made changes -
        Status Patch Available [ 10002 ] Resolved [ 5 ]
        Resolution Fixed [ 1 ]
        Doug Cutting made changes -
        Status Resolved [ 5 ] Closed [ 6 ]
        Owen O'Malley made changes -
        Component/s pipes [ 12311773 ]

          People

          • Assignee:
            Owen O'Malley
            Reporter:
            Christian Kunz
          • Votes:
            0 Vote for this issue
            Watchers:
            0 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development