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error loading path

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ouss ben
ouss ben on 1 Feb 2012
Commented: Hannes Qualo on 22 Apr 2020
I get this message everytime i open matlab
Warning: C:\Program Files\MATLAB\R2011b\toolbox\local\pathdef.m not found.
Toolbox Path Cache is not being used. Type 'help toolbox_path_cache' for more info
Undefined function or variable 'ispc'.
Warning: MATLAB did not appear to successfully set the search path. To recover for this session of MATLAB, type "restoredefaultpath;matlabrc". To find out how to avoid this warning the next time you start MATLAB, type "docsearch problem path" after recovering for this session.
Warning: Duplicate directory name: C:\Program Files\MATLAB\R2011b\toolbox\local.
Warning: Initializing Handle Graphics failed in matlabrc.
This indicates a potentially serious problem in your MATLAB setup,
which should be resolved as soon as possible. Error detected was:
MATLAB:undefinedVarOrClass
Undefined variable "graphics" or class "graphics.internal.initializeMATLABRoot".
Warning: Initializing Java preferences failed in matlabrc.
This indicates a potentially serious problem in your MATLAB setup,
which should be resolved as soon as possible. Error detected was:
MATLAB:UndefinedFunction
Undefined function 'usejava' for input arguments of type 'char'.
> In matlabrc at 113
Warning: Failed to add default profiler filters.
> In matlabrc at 161
How can i resolve this problem

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Accepted Answer

Gareth
Gareth on 16 Feb 2012
I've just put a clean install of 2011b onto a newly rebuilt Win7 machine and had the same problem. The issue appears to be that the pathdef.m file is absent, rather than corrupt or mis-located.
Having performed the "restoredefaultpath;matlabrc" fix mentioned above I then navigated to the C:\Program Files\MATLAB\R2011b\toolbox\local folder and typed "savepath pathdef.m". The system now appears to be working normally.

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MB
MB on 11 Apr 2020
Thanks !!! It actually worked :)
Andres Felipe Herrera Acero
Buen día, alguien me podria ayudar con este error. No se que es Mecanografiar el archivo. Si me pueden ayudar con el paso a paso gracias.
Hannes Qualo
Hannes Qualo on 22 Apr 2020
Cheers! Worked for me.

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More Answers (3)

Sanjay Manohar
Sanjay Manohar on 3 Mar 2017
I found this was because of an user access control problem. The file MATLAB\toobox\local\pathdef.m was not accessible.
I had to go to "Program Files\MATLAB" in explorer, right click, properties, security, permissions, Add, Everyone, Allow full access.
This solved the problem.

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Anurag Khergade
Anurag Khergade on 15 Feb 2018
Thank you Sanjay

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Jason Ross
Jason Ross on 2 Feb 2012
Did you do what it tells you to do in the message?
"To recover for this session of MATLAB, type "restoredefaultpath;matlabrc". To find out how to avoid this warning the next time you start MATLAB, type "docsearch problem path" after recovering for this session."
You basically need to get the path into a decent shape (using restoredefaultpath) and then figure out how it got there and fix it (using the doc reference provided)

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ouss ben
ouss ben on 6 Feb 2012
Yes I did what's told to do in this message.
It repairs the problem temporarily, but once I start for a second time I have the same problem.
Can I create or download a pathdef.m file?
Image Analyst
Image Analyst on 6 Feb 2012
Search all your m-files (I assume you know how to do that in a variety of ways) for "savepath" and see if it's there. Perhaps you're messing up the path and then saving some bad path.

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GAB_image
GAB_image on 14 Jan 2020
Edited: GAB_image on 14 Jan 2020
Hello,
I'm using Mac Catalina OS for running Matlab 2019b and I'm getting the following error-warning message when initiating the session:
Warning: Initializing preferences failed in matlabrc.
This indicates a potentially serious problem in your MATLAB setup, which should
be resolved as soon as possible. Error detected was:
MATLAB:format:UnknownOption
Invalid format option sh.
> In matlabrc (line 52)
Screen Shot 2020-01-14 at 9.43.25.png
I have tryied "restoredefaultpath;matlabrc" but did not work ... and "savepath" as well but also did not work...
Matlab 2019b works and open session in the correct path folder but the warning - error does not disappear
How could I solve this problem ?
Thanks a lot

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