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Posted to mapreduce-dev@hadoop.apache.org by "Koji Noguchi (Created) (JIRA)" <ji...@apache.org> on 2012/03/14 23:58:39 UTC
[jira] [Created] (MAPREDUCE-4012) Hadoop Job setup error leaves no
useful info to users (when LinuxTaskController is used)
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: 1.0.0, 0.20.205.0
Reporter: Koji Noguchi
Priority: Minor
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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