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From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1057) IOException: job.xml already exists
Date Fri, 02 Mar 2007 06:23:50 GMT
IOException: job.xml already exists
-----------------------------------

                 Key: HADOOP-1057
                 URL: https://issues.apache.org/jira/browse/HADOOP-1057
             Project: Hadoop
          Issue Type: Bug
          Components: mapred
    Affects Versions: 0.11.2
            Reporter: Nigel Daley


Running TestMiniMRLocalFS on Linux, I saw this exception during the 2nd job that it runs:

    [junit] 2007-02-28 21:09:50,076 INFO  mapred.JobInProgress (JobInProgress.java:findNewTask(573))
- Choosing normal task tip_0002_r_000000
    [junit] 2007-02-28 21:09:50,079 INFO  mapred.JobTracker (JobTracker.java:createTaskEntry(709))
- Adding task 'task_0002_r_000000_0' to tip tip_0002_r_000000, for tracker 'tracker_foo.com:60042'
    [junit] 2007-02-28 21:09:50,080 INFO  mapred.TaskTracker (TaskTracker.java:startNewTask(849))
- LaunchTaskAction: task_0002_r_000000_0
    [junit] 2007-02-28 21:09:50,089 WARN  mapred.TaskTracker (TaskTracker.java:startNewTask(866))
- Error initializing task_0002_r_000000_0:
    [junit] java.io.IOException: Target /foo/trunk/build/test/mapred/local/60044_0/taskTracker/jobcache/job_0002/job.xml
already exists
    [junit] 	at org.apache.hadoop.fs.FileUtil.checkDest(FileUtil.java:226)
    [junit] 	at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:70)
    [junit] 	at org.apache.hadoop.fs.LocalFileSystem.copyToLocalFile(LocalFileSystem.java:55)
    [junit] 	at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:766)
    [junit] 	at org.apache.hadoop.mapred.TaskTracker.localizeJob(TaskTracker.java:351)
    [junit] 	at org.apache.hadoop.mapred.TaskTracker.startNewTask(TaskTracker.java:862)
    [junit] 	at org.apache.hadoop.mapred.TaskTracker.offerService(TaskTracker.java:530)
    [junit] 	at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:898)
    [junit] 	at org.apache.hadoop.mapred.MiniMRCluster$TaskTrackerRunner.run(MiniMRCluster.java:130)
    [junit] 	at java.lang.Thread.run(Thread.java:595)

    [junit] 2007-02-28 21:09:51,115 INFO  mapred.TaskTracker (TaskTracker.java:reportProgress(1056))
- task_0002_m_000000_0 1.0% file:/foo/trunk/build/test/data/wc/input/part-0:0+47
    [junit] 2007-02-28 21:09:51,117 INFO  mapred.TaskTracker (TaskTracker.java:reportDone(1106))
- Task task_0002_m_000000_0 is done.
    [junit] 2007-02-28 21:09:51,203 INFO  mapred.JobInProgress (JobInProgress.java:completedTask(616))
- Task 'task_0002_m_000000_0' has completed tip_0002_m_000000 successfully.
    [junit] 2007-02-28 21:09:51,203 INFO  mapred.TaskInProgress (TaskInProgress.java:completedTask(411))
- Task 'task_0002_m_000000_0' has completed.
    [junit] 2007-02-28 21:09:51,847 INFO  mapred.TaskInProgress (TaskInProgress.java:updateStatus(328))
- Error from task_0002_r_000000_0: Error initializing task_0002_r_000000_0:
    [junit] java.io.IOException: Target /foo/trunk/build/test/mapred/local/60044_0/taskTracker/jobcache/job_0002/job.xml
already exists
    [junit] 	at org.apache.hadoop.fs.FileUtil.checkDest(FileUtil.java:226)
    [junit] 	at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:70)
    [junit] 	at org.apache.hadoop.fs.LocalFileSystem.copyToLocalFile(LocalFileSystem.java:55)
    [junit] 	at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:766)
    [junit] 	at org.apache.hadoop.mapred.TaskTracker.localizeJob(TaskTracker.java:351)
    [junit] 	at org.apache.hadoop.mapred.TaskTracker.startNewTask(TaskTracker.java:862)
    [junit] 	at org.apache.hadoop.mapred.TaskTracker.offerService(TaskTracker.java:530)
    [junit] 	at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:898)
    [junit] 	at org.apache.hadoop.mapred.MiniMRCluster$TaskTrackerRunner.run(MiniMRCluster.java:130)
    [junit] 	at java.lang.Thread.run(Thread.java:595)

    [junit] 2007-02-28 21:09:51,848 INFO  mapred.TaskInProgress (TaskInProgress.java:failedSubTask(380))
- Task 'task_0002_r_000000_0' has been lost.

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