Hadoop Map/Reduce
  1. Hadoop Map/Reduce
  2. MAPREDUCE-733

When running ant test TestTrackerBlacklistAcrossJobs, losing task tracker heartbeat exception occurs.

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 0.21.0
    • Fix Version/s: 0.21.0
    • Component/s: tasktracker
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      When running ant test TestTrackerBlacklistAcrossJobs, losing task tracker heartbeat.

      It seems when a task tracker is killed , it throws exception. Instead it should catch it and process it and allow the rest of the flow to go through.

      2009-07-08 11:58:26,116 INFO ipc.Server (Server.java:run(973)) - IPC Server handler 7 on 40193, call heartbeat(org.apache.hadoop.mapred.TaskTrackerStatus@13ec758, false, false, true, 6) from 127.0.0.1:40200: error: java.io.IOException: java.lang.RuntimeException: tracker_host1.rack.com:localhost/127.0.0.1:40197 already has slots reserved for null; being asked to un-reserve for job_200907081158_0001
      java.io.IOException: java.lang.RuntimeException: tracker_host1.rack.com:localhost/127.0.0.1:40197 already has slots reserved for null; being asked to un-reserve for job_200907081158_0001
      at org.apache.hadoop.mapreduce.server.jobtracker.TaskTracker.unreserveSlots(TaskTracker.java:162)
      at org.apache.hadoop.mapred.JobInProgress.addTrackerTaskFailure(JobInProgress.java:1580)
      at org.apache.hadoop.mapred.JobInProgress.failedTask(JobInProgress.java:2908)
      at org.apache.hadoop.mapred.JobInProgress.updateTaskStatus(JobInProgress.java:1025)
      at org.apache.hadoop.mapred.JobTracker.updateTaskStatuses(JobTracker.java:3869)
      at org.apache.hadoop.mapred.JobTracker.processHeartbeat(JobTracker.java:3081)
      at org.apache.hadoop.mapred.JobTracker.heartbeat(JobTracker.java:2819)
      at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:597)
      at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
      at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:964)
      at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:960)
      at java.security.AccessController.doPrivileged(Native Method)
      at javax.security.auth.Subject.doAs(Subject.java:396)
      at org.apache.hadoop.ipc.Server$Handler.run(Server.java:958)
      2009-07-08 11:58:26,162 INFO mapred.TaskTracker (TaskTracker.java:transmitHeartBeat(1196)) - Resending 'status' to 'localhost' with reponseId '6

      1. MAPREDUCE-733_0_20090708.patch
        1 kB
        Arun C Murthy
      2. MAPREDUCE-733_0_20090708_yhadoop20.patch
        1 kB
        Arun C Murthy
      3. MAPREDUCE-733-1.patch
        8 kB
        Sreekanth Ramakrishnan
      4. MAPREDUCE-733-2.patch
        9 kB
        Sreekanth Ramakrishnan
      5. MAPREDUCE-733-3.patch
        14 kB
        Sreekanth Ramakrishnan
      6. MAPREDUCE-733-4.patch
        14 kB
        Sreekanth Ramakrishnan
      7. MAPREDUCE-733-5.patch
        14 kB
        Sreekanth Ramakrishnan
      8. MAPREDUCE-733-ydist.patch
        2 kB
        Sreekanth Ramakrishnan

        Activity

          People

          • Assignee:
            Arun C Murthy
            Reporter:
            Iyappan Srinivasan
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            Dates

            • Created:
              Updated:
              Resolved:

              Development