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https://issues.apache.org/jira/browse/MAPREDUCE-91?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu updated MAPREDUCE-91:
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Component/s: task
> task attempt failing to report status just after the intialization
> ------------------------------------------------------------------
>
> Key: MAPREDUCE-91
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-91
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: task
> Reporter: Amareshwari Sriramadasu
>
> In sort500 runs, I noticed task attempts failing to report status : saying
> Task attempt_200807220707_0002_r_000336_1 failed to report status for 605
> seconds. Killing!
> And the task logs has NullPointerException saying:
> *stderr logs*
> Exception in thread "main" java.lang.NullPointerException
> at
> org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2146)
> Task tracker logs for the same attempt are:
> 2008-07-22 08:07:37,110 INFO org.apache.hadoop.mapred.TaskTracker:
> LaunchTaskAction: attempt_200807220707_0002_r_000336_1
> 2008-07-22 08:17:42,144 INFO org.apache.hadoop.mapred.TaskTracker:
> attempt_200807220707_0002_r_000336_1: Task
> attempt_200807220707_0002_r_000336_1 failed toreport status for 605 seconds.
> Killing!
> 2008-07-22 08:17:42,162 INFO org.apache.hadoop.mapred.TaskTracker: About to
> purge task: attempt_200807220707_0002_r_000336_1
> 2008-07-22 08:17:42,163 INFO org.apache.hadoop.mapred.TaskRunner:
> attempt_200807220707_0002_r_000336_1 done; removing files.
> 2008-07-22 08:18:15,481 WARN org.apache.hadoop.mapred.TaskTracker: Unknown
> child task finshed: attempt_200807220707_0002_r_000336_1. Ignored.
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