Details
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Bug
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Status: Closed
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Major
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Resolution: Cannot Reproduce
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0.11.2
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None
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None
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None
Description
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.