Annoying Matlab start-up warnings on Mac: " ... MATLAB_maci64 ... attempting to exclude an item from Time Machine ..."

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Mac OS X version 10.7.1 (Lion) Matlab version 7.13.0.564 (R2011b) I keep getting this message: "MATLAB_maci64[5492:a807] This process is attempting to exclude an item from Time Machine by path without administrator privileges. This is not supported." , which disturbs my work in a command line mode very much.
Does anyone know how to avoid the attempt or suppress the warning message?
  3 Comments
Robert
Robert on 25 Sep 2012
I did the same just now:
*sudo /Applications/MATLAB_R2011b.app/bin/matlab -nojvm*
prompted for password and the problem appears to have gone away. Probably with su priv the file that needed to be excluded got excluded and the exclusion has stuck now.
;-D

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Accepted Answer

Jan
Jan on 20 Oct 2011
Did you try to run the compiler once as root by sudo as described here:
?
  2 Comments
Johan
Johan on 15 Apr 2014
Running it once as sudo fixed it for me!
sudo /Applications/MATLAB_R2012b.app/bin/matlab -nosplash -nodesktop
Now I can run it as a normal user without getting the messages!

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More Answers (3)

Ken Atwell
Ken Atwell on 20 Oct 2011
This message is seen only on Lion, and impacts all versions of MATLAB. There are no known effects other than the noisiness in the command window (which means users that launch MATLAB from the Dock or Applications folder will likely never notice this). We are indeed waiting on one of our vendors.
For the time being, you can just ignore the messages or run with elevated privilege as suggested above. Messily, you could also filter out the message (which is written to stderr). Something like:
matlab 2>&1 | grep -v "exclude an item from Time Machine"
or
matlab |& grep -v "exclude an item from Time Machine"
depending on the shell you use.

Andreas Goser
Andreas Goser on 20 Oct 2011
This issue has been reported to MathWorks by a few users. The techncial document (1-F6GRLV) is not published on the web. There is no workaround described, so unfortunately, I can't help you. There is also a dependency on an other software vendor, which means MathWorks can't fix this on its own.
  1 Comment
Andreas Goser
Andreas Goser on 20 Oct 2011
It is great to see workarounds / mitigations here. I also like to point out, that there is no indication, that these messages cause any other issues beside the inconvenience.

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Joseph Areeda
Joseph Areeda on 29 Aug 2012
Edited: Joseph Areeda on 2 Sep 2012
"there is no indication, that these messages cause any other issues beside the inconvenience."
Well there is also the bug reports from users of your code if you distribute it.
But at least I now have a thread to refer them to.
And I implemented Ken's grep -v suggestion. Thank you Ken!

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