[HADOOP-705] IOException: job.xml already exists

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.9.0
• Assignee: Mahadev Konar
• Reporter: Nigel Daley
• Created: 10/Nov/06 02:00
• Updated: 08/Jul/09 16:52
• Resolved: 14/Nov/06 18:25

Description

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)