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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5234) NPE in TaskTracker reinit action
Date Fri, 13 Feb 2009 12:23:59 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12673236#action_12673236
] 

Steve Loughran commented on HADOOP-5234:
----------------------------------------

In SVN_HEAD it gets caught and logged:

       } catch (Throwable ie) {
          LOG.info("Error cleaning up task runner: " + 
                   StringUtils.stringifyException(ie));
        }

> NPE in TaskTracker reinit action
> --------------------------------
>
>                 Key: HADOOP-5234
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5234
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.19.0
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amareshwari Sriramadasu
>            Priority: Critical
>
> I have seen an NPE in TT reinit action.
> TT logs :
> {noformat}
> 2009-02-12 12:14:02,859 INFO org.apache.hadoop.mapred.TaskTracker: Error cleaning up
task runner: java.lang.NullPointerException
> 	at org.apache.hadoop.mapred.TaskTracker$TaskInProgress.cleanup(TaskTracker.java:2515)
> 	at org.apache.hadoop.mapred.TaskTracker$TaskInProgress.jobHasFinished(TaskTracker.java:2381)
> 	at org.apache.hadoop.mapred.TaskTracker.close(TaskTracker.java:925)
> 	at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:1830)
> 	at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:2901)
> {noformat}
> corresponding code is 
> {noformat}
> 2515            if (localJobConf.getNumTasksToExecutePerJvm() == 1) {
> {noformat}

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