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Posted to common-dev@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2009/04/03 17:24:13 UTC
[jira] Commented: (HADOOP-5198) NPE in Shell.runCommand()
[ https://issues.apache.org/jira/browse/HADOOP-5198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12695431#action_12695431 ]
Hudson commented on HADOOP-5198:
--------------------------------
Integrated in Hadoop-trunk #796 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/796/])
> 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
> Priority: Blocker
> Fix For: 0.21.0
>
> Attachments: patch-5198-1.txt, 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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