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From "ma qiang" <maqiang1...@gmail.com>
Subject why failed to report status in my program?
Date Sun, 07 Sep 2008 12:25:20 GMT
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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