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From "Jean-Daniel Cryans" <jdcry...@apache.org>
Subject Re: why failed to report status in my program?
Date Sun, 07 Sep 2008 14:10:17 GMT
qiang,

Which version of Hadoop/HBase?
Is your job mapping and reducing to the same table?
Have you turned on DEBUG? (see the FAQ to know how to do it)
Do you see anything unusual in task_200809071951_0001_r000000_0 logs from
the jobtracker web UI?
Have you checked in the logs of the region servers?

Thanks,

J-D

On Sun, Sep 7, 2008 at 8:25 AM, ma qiang <maqiang1984@gmail.com> wrote:

> hi all,
>    In my mapreduce program using hbase table as input and ouput,  the
> console print as below:
>
> 08/09/07 19:55:51 INFO mapred.JobClient: Running job: job_200809071951_0001
> 08/09/07 19:55:52 INFO mapred.JobClient:  map 0% reduce 0%
> 08/09/07 19:55:57 INFO mapred.JobClient:  map 100% reduce 0%
> 08/09/07 19:56:02 INFO mapred.JobClient:  map 100% reduce 66%
> 08/09/07 20:06:07 INFO mapred.JobClient:  map 100% reduce 0%
> 08/09/07 20:06:07 INFO mapred.JobClient: Task Id :
> task_200809071951_0001_r_000000_0, Status : FAILED
> Task task_200809071951_0001_r_000000_0 failed to report status for 600
> seconds. Killing!
> 08/09/07 20:06:15 INFO mapred.JobClient:  map 100% reduce 66%
> 08/09/07 20:16:17 INFO mapred.JobClient:  map 100% reduce 0%
> 08/09/07 20:16:17 INFO mapred.JobClient: Task Id :
> task_200809071951_0001_r_000000_1, Status : FAILED
> Task task_200809071951_0001_r_000000_1 failed to report status for 602
> seconds. Killing!
> 08/09/07 20:16:26 INFO mapred.JobClient:  map 100% reduce 66%
> ………………
> ………………
>
> to be noted, I can put some values into hbase using hql in hbase shell.
>
> who can tell why and how to solve this ?
> thanks very much !
>
> qiang
>

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