i try to merge few segments but my job always failed. I have
a cluster of 4
Linux machine.
I've got the following error in:
==> hadoop.log
2007-09-22 12:52:03,611 INFO mapred.FileInputFormat - Total
input paths to
process : 140
2007-09-22 12:52:05,438 INFO mapred.JobClient - Running
job: job_0003
2007-09-22 12:52:06,441 INFO mapred.JobClient - map 0%
reduce 0%
2007-09-22 12:52:18,479 INFO mapred.JobClient - Task Id :
task_0003_m_000000_0, Status : FAILED
2007-09-22 12:52:18,515 INFO mapred.JobClient - Task Id :
task_0003_m_000003_0, Status : FAILED
2007-09-22 12:52:18,519 INFO mapred.JobClient - Task Id :
task_0003_m_000002_0, Status : FAILED
2007-09-22 12:52:19,535 INFO mapred.JobClient - Task Id :
task_0003_m_000004_0, Status : FAILED
==>tasktracker
2007-09-23 01:54:24,289 INFO mapred.TaskInProgress - Error
from
task_0003_m_000016_1: java.io.IOException: Task process exit
with nonzero
status of 1.
at
org.apache.hadoop.mapred.TaskRunner.runChild(TaskRunner.java
:408)
at
org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:288)
2007-09-23 01:54:24,289 INFO mapred.TaskInProgress - Task
'task_0003_m_000016_1' has been lost.
i don't understand the error.
Any help will be really appreciate.
Thanks
|