FAQ
Hi All ,

I am trying to run a job and found below error in Job tracker log . I have
gone through some blogs suggested made was to change the home directory of
hadoop on VM to /usr/local , Not sure if thats the right option .


Error in Jobtracker

10:18:03.180 AM INFO org.apache.hadoop.mapred.TaskInProgress

Error from attempt_201405141534_0010_m_000002_3: java.lang.Throwable:
Child Error
  at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:250)
Caused by: java.io.IOException: Task process exit with nonzero status of 1.
  at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:237)

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  • Harsh J at May 17, 2014 at 3:31 am
    Hi,

    You do not need to manually set any environment variables typically.

    What have you defined as your mapred.child.java.opts in your current MR
    configuration, or within your job?

    On Fri, May 16, 2014 at 10:57 PM, Rakesh pagadala wrote:

    Hi All ,

    I am trying to run a job and found below error in Job tracker log . I
    have gone through some blogs suggested made was to change the home
    directory of hadoop on VM to /usr/local , Not sure if thats the right
    option .


    Error in Jobtracker

    10:18:03.180 AM INFO org.apache.hadoop.mapred.TaskInProgress

    Error from attempt_201405141534_0010_m_000002_3: java.lang.Throwable: Child Error
    at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:250)
    Caused by: java.io.IOException: Task process exit with nonzero status of 1.
    at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:237)



    To unsubscribe from this group and stop receiving emails from it, send an
    email to scm-users+unsubscribe@cloudera.org.


    --
    Harsh J

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postedMay 16, '14 at 5:27p
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