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Date: Wed, 29 Aug 2012 05:36:08 +1100 (NCT)
From: "Ahmed Radwan (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-4572) Can not access user logs -
 Jetty is not configured by default to serve aliases/symlinks
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-4572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13443359#comment-13443359 ] 

Ahmed Radwan commented on MAPREDUCE-4572:
-----------------------------------------

Thanks Todd, The patch adds a configuration property to control this behavior. So serving aliases can be disabled if needed (I mentioned that in my previous comment when discussing the security reasons and why we exposed this conf property). So we are basically here exposing the controls that Jetty already provides, and the users can make the decision, and based on the available security setup on their environment, they can make a decision of enabling or disabling this behavior. What do you think?
                
> Can not access user logs - Jetty is not configured by default to serve aliases/symlinks
> ---------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4572
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4572
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker, webapps
>    Affects Versions: 1.0.0
>            Reporter: Ahmed Radwan
>            Assignee: Ahmed Radwan
>             Fix For: 1.2.0, 2.2.0-alpha
>
>         Attachments: MAPREDUCE-4572.patch, MAPREDUCE-4572_trunk.patch
>
>
> The task log servlet can no longer access user logs because MAPREDUCE-2415 introduce symlinks to the logs and jetty is not configured by default to serve symlinks. 

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