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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5198) NPE in Shell.runCommand()
Date Mon, 16 Feb 2009 11:59:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12673858#action_12673858
] 

Hadoop QA commented on HADOOP-5198:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12400159/patch-5198.txt
  against trunk revision 744406.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 Eclipse classpath. The patch retains Eclipse classpath integrity.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3868/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3868/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3868/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3868/console

This message is automatically generated.

> NPE in Shell.runCommand()
> -------------------------
>
>                 Key: HADOOP-5198
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5198
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred, util
>    Affects Versions: 0.21.0
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.21.0
>
>         Attachments: patch-5198.txt
>
>   Original Estimate: 0h
>  Remaining Estimate: 0h
>
> I have seen one of the task failures with following exception:
> java.lang.NullPointerException
> 	at java.lang.ProcessBuilder.start(ProcessBuilder.java:441)
> 	at org.apache.hadoop.util.Shell.runCommand(Shell.java:149)
> 	at org.apache.hadoop.util.Shell.run(Shell.java:134)
> 	at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:286)
> 	at org.apache.hadoop.util.ProcessTree.isAlive(ProcessTree.java:244)
> 	at org.apache.hadoop.util.ProcessTree.sigKillInCurrentThread(ProcessTree.java:67)
> 	at org.apache.hadoop.util.ProcessTree.sigKill(ProcessTree.java:115)
> 	at org.apache.hadoop.util.ProcessTree.destroyProcessGroup(ProcessTree.java:164)
> 	at org.apache.hadoop.util.ProcessTree.destroy(ProcessTree.java:180)
> 	at org.apache.hadoop.mapred.JvmManager$JvmManagerForType$JvmRunner.kill(JvmManager.java:377)
> 	at org.apache.hadoop.mapred.JvmManager$JvmManagerForType.reapJvm(JvmManager.java:249)
> 	at org.apache.hadoop.mapred.JvmManager$JvmManagerForType.access$000(JvmManager.java:113)
> 	at org.apache.hadoop.mapred.JvmManager.launchJvm(JvmManager.java:76)
> 	at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:411)

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