You are viewing a plain text version of this content. The canonical link for it is here.
Posted to common-issues@hadoop.apache.org by "Vinod K V (JIRA)" <ji...@apache.org> on 2009/09/02 13:48:32 UTC
[jira] Updated: (HADOOP-6232) NPE in
ProcfsBasedProcessTree.destroy()
[ https://issues.apache.org/jira/browse/HADOOP-6232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vinod K V updated HADOOP-6232:
------------------------------
Description:
This causes the following exception in TaskMemoryManagerThread. I observed this while running TestTaskTrackerMemoryManager.
{code}
2009-09-02 12:08:25,835 WARN mapred.TaskMemoryManagerThread (TaskMemoryManagerThread.java:run(239)) - Uncaught exception in TaskMemoryManager while managing memory of attempt_20090902120812252_0001_m_000003_0 : java.lang.NullPointerException
at org.apache.hadoop.util.ProcfsBasedProcessTree.assertPidPgrpidForMatch(ProcfsBasedProcessTree.java:234)
at org.apache.hadoop.util.ProcfsBasedProcessTree.assertAndDestroyProcessGroup(ProcfsBasedProcessTree.java:257)
at org.apache.hadoop.util.ProcfsBasedProcessTree.destroy(ProcfsBasedProcessTree.java:286)
at org.apache.hadoop.mapred.TaskMemoryManagerThread.run(TaskMemoryManagerThread.java:229)
{code}
was:
This causes the following exception in TaskMemoryManagerThread. I observed this while running TestTaskTrackerMemoryManager.
{code}
2009-09-02 12:08:25,835 WARN mapred.TaskMemoryManagerThread (TaskMemoryManagerThread.java:run(239)) - Uncaught exception in TaskMemoryManager while managing memory of attempt_20090902120812252_0001_m_000003_0 : java.lang.NullPointerException
at org.apache.hadoop.util.ProcfsBasedProcessTree.assertPidPgrpidForMatch(ProcfsBasedProcessTree.java:234)
at org.apache.hadoop.util.ProcfsBasedProcessTree.assertAndDestroyProcessGroup(ProcfsBasedProcessTree.java:257)
at org.apache.hadoop.util.ProcfsBasedProcessTree.destroy(ProcfsBasedProcessTree.java:286)
at org.apache.hadoop.mapred.TaskMemoryManagerThread.run(TaskMemoryManagerThread.java:229)
{code}
Priority: Major (was: Minor)
> NPE in ProcfsBasedProcessTree.destroy()
> ---------------------------------------
>
> Key: HADOOP-6232
> URL: https://issues.apache.org/jira/browse/HADOOP-6232
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Vinod K V
>
> This causes the following exception in TaskMemoryManagerThread. I observed this while running TestTaskTrackerMemoryManager.
> {code}
> 2009-09-02 12:08:25,835 WARN mapred.TaskMemoryManagerThread (TaskMemoryManagerThread.java:run(239)) - Uncaught exception in TaskMemoryManager while managing memory of attempt_20090902120812252_0001_m_000003_0 : java.lang.NullPointerException
> at org.apache.hadoop.util.ProcfsBasedProcessTree.assertPidPgrpidForMatch(ProcfsBasedProcessTree.java:234)
> at org.apache.hadoop.util.ProcfsBasedProcessTree.assertAndDestroyProcessGroup(ProcfsBasedProcessTree.java:257)
> at org.apache.hadoop.util.ProcfsBasedProcessTree.destroy(ProcfsBasedProcessTree.java:286)
> at org.apache.hadoop.mapred.TaskMemoryManagerThread.run(TaskMemoryManagerThread.java:229)
> {code}
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.