[ http://issues.apache.org/jira/browse/HADOOP-705?page=all ]
Doug Cutting updated HADOOP-705:
--------------------------------
Status: Open (was: Patch Available)
Wouldn't it be better to remove the job's entire directory at the outset? That
would cover failures in both job.xml, job.jar and whatever else ends up there.
Also, this patch uses tabs to indent, rather than spaces, with non-standard tab
stops. And there's a typo in the comment.
> IOException: job.xml already exists
> -----------------------------------
>
> Key: HADOOP-705
> URL: http://issues.apache.org/jira/browse/HADOOP-705
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.8.0
> Reporter: Nigel Daley
> Assigned To: Mahadev konar
> Attachments: jobxml.patch
>
>
> I'm seeing this exception in the JobTracker log. It's caused the same map to
> fail enough that the job aborted.
> 2006-11-09 17:28:37,594 INFO org.apache.hadoop.mapred.TaskInProgress: Error
> from task_0004_m_000588_2: Error
> initializing task_0004_m_000588_2:
> java.io.IOException: Target
> /foobar/tmp/mapred/local/taskTracker/jobcache/job_0004/job.xml already exists
> at org.apache.hadoop.fs.FileUtil.checkDest(FileUtil.java:215)
> at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:61)
> at
> org.apache.hadoop.dfs.DistributedFileSystem.copyToLocalFile(DistributedFileSystem.java:192)
> at
> org.apache.hadoop.mapred.TaskTracker.localizeJob(TaskTracker.java:279)
> at
> org.apache.hadoop.mapred.TaskTracker.startNewTask(TaskTracker.java:691)
> at
> org.apache.hadoop.mapred.TaskTracker.checkForNewTasks(TaskTracker.java:533)
> at
> org.apache.hadoop.mapred.TaskTracker.offerService(TaskTracker.java:448)
> at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:720)
> at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:1374)
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