Hadoop Common
  1. Hadoop Common
  2. HADOOP-9085

start namenode failure,bacause pid of namenode pid file is other process pid or thread id before start namenode

    Details

    • Type: Bug Bug
    • Status: Open
    • Priority: Major Major
    • Resolution: Unresolved
    • Affects Version/s: 2.0.1-alpha, 2.0.3-alpha
    • Fix Version/s: None
    • Component/s: bin, scripts
    • Labels:
      None
    • Environment:

      NA

      Description

      pid of namenode pid file is other process pid or thread id before start namenode,start namenode will failure.because the pid of namenode pid file will be checked use kill -0 command before start namenode in hadoop-daemo.sh script.when pid of namenode pid file is other process pid or thread id,checkt is use kil -0 command,and the kill -0 will return success.it means the namenode is runing.in really,namenode is not runing.

      2338 is dead namenode pid
      2305 is datanode pid

      cqn2:/tmp # kill -0 2338
      cqn2:/tmp # ps -wweLo pid,ppid,tid | grep 2338
      2305 1 2338

        Issue Links

          Activity

          Allen Wittenauer made changes -
          Assignee Allen Wittenauer [ aw ]
          Allen Wittenauer made changes -
          Fix Version/s 2.0.1-alpha [ 12322467 ]
          Fix Version/s 2.0.2-alpha [ 12322473 ]
          Fix Version/s 2.7.0 [ 12327583 ]
          Allen Wittenauer made changes -
          Component/s scripts [ 12311393 ]
          Arun C Murthy made changes -
          Fix Version/s 2.7.0 [ 12327583 ]
          Fix Version/s 2.6.0 [ 12327179 ]
          Karthik Kambatla (Inactive) made changes -
          Fix Version/s 2.6.0 [ 12327179 ]
          Fix Version/s 2.5.0 [ 12326263 ]
          Arun C Murthy made changes -
          Fix Version/s 2.5.0 [ 12326263 ]
          Fix Version/s 2.4.0 [ 12326144 ]
          Arun C Murthy made changes -
          Fix Version/s 2.4.0 [ 12326144 ]
          Fix Version/s 2.3.0 [ 12325254 ]
          Arun C Murthy made changes -
          Fix Version/s 2.3.0 [ 12325254 ]
          Fix Version/s 2.4.0 [ 12324587 ]
          Arun C Murthy made changes -
          Fix Version/s 2.3.0 [ 12324587 ]
          Fix Version/s 2.1.0-beta [ 12324030 ]
          Arun C Murthy made changes -
          Fix Version/s 2.0.4-beta [ 12324030 ]
          Fix Version/s 2.0.3-alpha [ 12323273 ]
          Steve Loughran made changes -
          Field Original Value New Value
          Link This issue relates to HADOOP-9086 [ HADOOP-9086 ]
          liaowenrui created issue -

            People

            • Assignee:
              Allen Wittenauer
              Reporter:
              liaowenrui
            • Votes:
              0 Vote for this issue
              Watchers:
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              Dates

              • Created:
                Updated:

                Development