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From rtejac <rte...@gmail.com>
Subject Re: Getting following error in JT logs while running MR jobs
Date Mon, 16 Dec 2013 23:27:38 GMT
Looks like thats task tracker issue.  Its not able to update JT in time. From Job tracker UI,
go to logs and check on that particular failed task in that particular task tracker and check
logs. 


On Dec 16, 2013, at 2:17 AM, Viswanathan J <jayamviswanathan@gmail.com> wrote:

> Hi,
> 
> I'm getting the following error frequently while running MR jobs.
> 
> ERROR org.apache.hadoop.mapred.TaskStatus: Trying to set finish time for task attempt_201312040159_126927_m_000000_0
when no start time is set, stackTrace is : java.lang.Exception
>         at org.apache.hadoop.mapred.TaskStatus.setFinishTime(TaskStatus.java:145)
>         at org.apache.hadoop.mapred.TaskInProgress.incompleteSubTask(TaskInProgress.java:700)
>         at org.apache.hadoop.mapred.JobInProgress.failedTask(JobInProgress.java:3004)
>         at org.apache.hadoop.mapred.JobInProgress.updateTaskStatus(JobInProgress.java:1185)
>         at org.apache.hadoop.mapred.JobTracker.updateTaskStatuses(JobTracker.java:4471)
>         at org.apache.hadoop.mapred.JobTracker.processHeartbeat(JobTracker.java:3306)
>         at org.apache.hadoop.mapred.JobTracker.heartbeat(JobTracker.java:3001)
>         at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:587)
>         at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1432)
>         at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1428)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:396)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)
>         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1426)
> 
> Please help.
> 
> -- 
> Regards,
> Viswa.J


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