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Aaron T. Myers commented on HADOOP-7634:
----------------------------------------
+1.
Note that the file can actually be owned by anyone, it just can't be writable by anyone but
root. The error message displayed is correct:
{noformat}
11/09/16 17:59:06 INFO mapred.TaskController: Invalid permissions or ownership on conf file
/etc/hadoop/conf/taskcontroller.cfg
11/09/16 17:59:06 INFO mapred.TaskController: Must be owned by root and not writable by group
or other
{noformat}
{noformat}
$ ls -l taskcontroller.cfg
-rw-r--r-- 1 root atm 185 2011-09-16 17:53 taskcontroller.cfg
{noformat}
> Cluster setup docs specify wrong owner for task-controller.cfg
> ---------------------------------------------------------------
>
> Key: HADOOP-7634
> URL: https://issues.apache.org/jira/browse/HADOOP-7634
> Project: Hadoop Common
> Issue Type: Bug
> Components: documentation, security
> Affects Versions: 0.20.204.0
> Reporter: Eli Collins
> Assignee: Eli Collins
> Priority: Minor
> Fix For: 0.20.205.0
>
> Attachments: hadoop-7634.patch
>
>
> The cluster setup docs indicate task-controller.cfg must be owned by the user running
TaskTracker but the code checks for root. We should update the docs to reflect the real requirement.
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