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From "Thomas Graves (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4012) Hadoop Job setup error leaves no useful info to users (when LinuxTaskController is used)
Date Thu, 29 Mar 2012 13:44:30 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Graves updated MAPREDUCE-4012:
-------------------------------------

    Attachment: MAPREDUCE-4012-branch-1.patch

I tested this on branch 1 and it works. I'm working on patch for trunk/branch-2
                
> 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
>            Assignee: Thomas Graves
>            Priority: Minor
>         Attachments: MAPREDUCE-4012-branch-1.patch, 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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