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  1. Hadoop Common
  2. HADOOP-5516

TaskMemoryManagerThread crashes in a corner case

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Details

    • Bug
    • Status: Closed
    • Blocker
    • Resolution: Fixed
    • 0.20.0
    • 0.20.0
    • None
    • None
    • Reviewed

    Description

      TT's stdout says.

      Exception in thread "org.apache.hadoop.mapred.TaskMemoryManagerThread" java.lang.NullPointerException
              at org.apache.hadoop.util.ProcfsBasedProcessTree.getProcessTree(ProcfsBasedProcessTree.java:126)
              at org.apache.hadoop.mapred.TaskMemoryManagerThread.run(TaskMemoryManagerThread.java:200)
      

      TaskMemoryManager crashes and no further memory management is done.

      Attachments

        1. HADOOP-5516-1.txt
          10 kB
          Vinod Kumar Vavilapalli
        2. HADOOP-5516-trunk-1.txt
          11 kB
          Vinod Kumar Vavilapalli
        3. HADOOP-5516-trunk-2.txt
          11 kB
          Vinod Kumar Vavilapalli

        Activity

          People

            vinodkv Vinod Kumar Vavilapalli
            vinodkv Vinod Kumar Vavilapalli
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            Dates

              Created:
              Updated:
              Resolved: