Error loading matlabprefs.mat
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Hallo,
there is an error:
MATLAB:load:notBinaryFile
Unable to read MAT-file /home/myUser/.matlab/R2021a/matlabprefs.mat. Not a binary MAT-file. Try load -ASCII to read as text.
sometimes (this is not reproducible) it pops up after rebooting Matlab:
Warning: Initializing MATLAB Graphics failed.
This indicates a potentially serious problem in your MATLAB setup, which should be resolved as soon as possible. Error detected was:
MATLAB:load:unableToReadMatFile
Unable to read MAT-file /home/myUser/.matlab/R2021a/matlabprefs.mat. File might be corrupt.
> In hgrc (line 163)
In matlab.graphics.internal.initialize (line 15)
Some pages (e.g. https://www.mathworks.com/matlabcentral/answers/364986-matlab-error-graphic) recommend deleting matlabprefs.mat. However, if I do, the error pops up again.
I also deleted full ~/.matlab folder. The error was gone for a couple of hours. Now, it reappears.
Does anybody know a persistent solution?
Thanks
6 个评论
Walter Roberson
2021-6-18
That looks okay at the moment. At a time that MATLAB is telling you the file is corrupt, could you attach the file here for us to look at?
(Note: I am not completely sure where MATLAB stores github keys, or login credentials to reach your Mathworks account, and it is plausible they might be stored in that file, so there is some degree of security risk; I do not know if they are stored in that file or not, or how they might be encoded.)
采纳的回答
Jan
2021-6-19
编辑:Jan
2021-6-25
If removing the file helps for some time, a function is destroying the file. Then an approach is to scan, who is accessi ng the file. Shadow the builtin save() function by adding this in a folder ontop of the path:
function save(varargin)
file = varargin{1};
if contains(file, 'matlabprefs', 'IgnoreCase', true) % [EDITED, Typo fixed]
disp(dbstack)
end
str =
evalin('caller', ['builtin(''save''', strjoin(varargin{:}, ',')]);
end
Does this work?! The strange calling syntax of the save() command, which takes char vectors as input to access the contents of the corresponding variables, is hard.
8 个评论
Jan
2021-6-25
@Andreas Schwager: This is the purpose of the code I've posted: Preventing SAVE to access the preferences file or to track, who is corrupting it.
更多回答(1 个)
Lucas Barbedo
2024-8-6,2:40
I have this matlabprefs.mat corrupted while I was using batch(). I had 5 sensors collecting data simultaneously, each job batch were reading information from different serial ports. Suddenly, this matlabprefs.mat was corrupted and one sensor stopped to save data. How I could deal with this kind of error. I can not reboot matlab or computer for that. I need to keep my processing running.
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