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  1. Hadoop Common
  2. HADOOP-10558

java.net.UnknownHostException: Invalid host name: local host is: (unknown)

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Invalid
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Environment:

      two node cluster
      ubuntu 12.04 LTS in both
      Java version "1.7.0_25"
      node 1: core i5 4 GB RAM
      node 2: core i3 4 GB RAM

      Description

      I had this exception every time i try to run map-red job, I went to http://wiki.apache.org/hadoop/UnknownHost
      and tried every possible solution and still have the same result

      Task Id : attempt_1398945803120_0001_m_000004_0, Status : FAILED
      Container launch failed for container_1398945803120_0001_01_000006 : java.lang.reflect.UndeclaredThrowableException
      .
      .
      Caused by: com.google.protobuf.ServiceException: java.net.UnknownHostException: Invalid host name: local host is: (unknown); destination host is: ""fatima-HP-ProBook-4520s":8042; java.net.UnknownHostException; For more details see: http://wiki.apache.org/hadoop/UnknownHost
      .
      .

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            • Assignee:
              Unassigned
              Reporter:
              sami.abobala Sami Abobala
            • Votes:
              1 Vote for this issue
              Watchers:
              4 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: