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Eli Collins edited comment on MAPREDUCE-4012 at 3/15/12 2:33 AM:
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Koji,
Agree this is a good idea. You may find this table that maps error codes to high level descriptions
of what's going on useful:
https://ccp.cloudera.com/display/CDHDOC/Appendix+E+-+Task-controller+Error+Codes
Thanks,
Eli
was (Author: eli2):
Koji,
Agree this is a good idea. You may find this table that maps error codes to high level descriptions
of what's going on useful:
https://ccp.cloudera.com/display/CDH4B1/Appendix+E+-+Task-controller+Error+Codes
Thanks,
Eli
> Hadoop Job setup error leaves no useful info to users (when LinuxTaskController is used)
> ----------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4012
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4012
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 0.20.205.0, 1.0.0
> Reporter: Koji Noguchi
> Priority: Minor
> Attachments: mapreduce-4012-1.patch
>
>
> When distributed cache pull fail on the TaskTracker, job webUI only shows
> {noformat}
> Job initialization failed (255)
> {noformat}
> leaving users confused.
> On the TaskTracker log, there is a log with useful info
> {noformat}
> 2012-03-14 21:44:17,083 INFO org.apache.hadoop.mapred.TaskController: org.apache.hadoop.security.AccessControlException:
org.apache.hadoop.security.AccessControlException:
> Permission denied: user=user1, access=READ, inode="testfile":user3:users:rw-------
> ...
> 2012-03-14 21:44:17,083 INFO org.apache.hadoop.mapred.TaskController: at org.apache.hadoop.filecache.TrackerDistributedCacheManager.downloadCacheObject(TrackerDistributedCacheManager.java:415)
> ...
> 2012-03-14 21:44:17,083 INFO org.apache.hadoop.mapred.TaskController: at org.apache.hadoop.mapred.JobLocalizer.main(JobLocalizer.java:530)
> {noformat}
>
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