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https://issues.apache.org/jira/browse/HADOOP-5487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12681696#action_12681696
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Hemanth Yamijala commented on HADOOP-5487:
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Following was the exception trace on such a task:
java.io.IOException: Mkdirs failed to create
/path/to/mapred-local/taskTracker/jobcache/job_200903130908_0051/work
at org.apache.hadoop.mapred.TaskTracker.localizeJob(TaskTracker.java:829)
at org.apache.hadoop.mapred.TaskTracker.startNewTask(TaskTracker.java:1743)
at org.apache.hadoop.mapred.TaskTracker.access$1200(TaskTracker.java:97)
at
org.apache.hadoop.mapred.TaskTracker$TaskLauncher.run(TaskTracker.java:1708)
> Few tasks failed while creating the work directory for a job, when job
> tracker was restarted
> --------------------------------------------------------------------------------------------
>
> Key: HADOOP-5487
> URL: https://issues.apache.org/jira/browse/HADOOP-5487
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Reporter: Hemanth Yamijala
>
> A randomwriter job was running when the job tracker restarted. After the
> jobtracker restarted, some tasktrackers were sent a reinit action. After
> this, some new tasks of the random writer were scheduled to be run on the
> same task trackers. These failed in the job localization while creating the
> work directory. However, the next attempts of the same job ran successfully
> and the job succeeded. This happened in about 1% of the total number of tasks.
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