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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5516) TaskMemoryManagerThread crashes in a corner case
Date Tue, 17 Mar 2009 08:54:50 GMT
TaskMemoryManagerThread crashes in a corner case
------------------------------------------------

                 Key: HADOOP-5516
                 URL: https://issues.apache.org/jira/browse/HADOOP-5516
             Project: Hadoop Core
          Issue Type: Bug
          Components: mapred
    Affects Versions: 0.20.0
            Reporter: Vinod K V
            Priority: Blocker



TT's stdout says.
{code}
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)
{code}

TaskMemoryManager crashes and no further memory management is done.

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