GitHub user dragos opened a pull request:

    https://github.com/apache/spark/pull/10315

    [WIP][SPARK-12345][Mesos] Don’t get the canonical path when building the 
command to execute on …

    …Mesos executors. Otherwise, the resolved path will be dependent on the 
driver machine (following symlinks, making the path absolute).
    
    - I don't know if this is the only thing needed to fix cluster-mode on 
Mesos (building Spark now)
    - `getCanonicalPath` doesn't make sense there, but still it doesn't explain 
the *regression*. This code was there in 1.5.2, but the bug appears only in 
1.6.0, so there's still explaining to do.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/dragos/spark issue/cluster-mode-12345

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/10315.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #10315
    
----
commit 444938e91ad2a498fc773d21aea501e70df86f25
Author: Iulian Dragos <[email protected]>
Date:   2015-12-15T21:17:38Z

    Don’t get the canonical path when building the command to execute on 
Mesos executors. Otherwise, the resolved path will be dependent on the driver 
machine (following symlinks, making the path absolute).

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