Distcp error

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anand murari

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Jul 22, 2014, 1:18:18 PM7/22/14
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Hi Experts,

During distcp ..I am getting below error messages, Please throw some light?

14/07/22 12:40:32 INFO mapred.JobClient:  map 96% reduce 0%
14/07/22 12:42:06 INFO mapred.JobClient:  map 95% reduce 0%
        at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:237)

java.lang.Throwable: Child Error
        at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:250)
        at org.apache.hadoop.mapred.TaskLog.createTaskAttemptLogDir(TaskLog.java:126)
        at org.apache.hadoop.mapred.DefaultTaskController.createLogDir(DefaultTaskController.java:72)

        at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:237)

java.lang.Throwable: Child Error
        at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:250)
        at org.apache.hadoop.mapred.TaskLog.createTaskAttemptLogDir(TaskLog.java:126)
        at org.apache.hadoop.mapred.DefaultTaskController.createLogDir(DefaultTaskController.java:72)

        at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:237)

java.lang.Throwable: Child Error
        at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:250)

14/07/22 12:42:12 INFO mapred.JobClient: Task Id : attempt_201407141641_0039_m_000619_0, Status : FAILED

java.lang.Throwable: Child Error
        at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:250)
Caused by: java.io.IOException: Creation of symlink from /var/log/hadoop/userlogs/job_201407141641_0039/attempt_201407141641_0039_m_000619_0.cleanup to /mnt/sde1/mapred/local/userlogs/job_201407141641_0039/attempt_201407141641_0039_m_000619_0.cleanup failed.
        at org.apache.hadoop.mapred.TaskLog.createTaskAttemptLogDir(TaskLog.java:126)
        at org.apache.hadoop.mapred.DefaultTaskController.createLogDir(DefaultTaskController.java:72)
        at org.apache.hadoop.mapred.TaskRunner.prepareLogFiles(TaskRunner.java:295)
        at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:215)

Eric Torreborre

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Jul 22, 2014, 8:52:35 PM7/22/14
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Hi Anand,

This is a Hadoop-only error apparently (and I have no idea what's wrong) so I will advise you to ask this question on StackOverflow or one of the hadoop user groups

Cheers,

Eric.
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