CoreText Font Error on MacOS Big Sur

Question

Jack Shannon 2021-2-1

15
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/732348-coretext-font-error-on-macos-big-sur

评论： jaydeequeue 2022-7-9

Since upgrading to R2020b on Big Sur, whenever I start MATLAB from the command line (matlab -nodesktop -nosplash), I get the following error messages:

                            < M A T L A B (R) >
                  Copyright 1984-2020 The MathWorks, Inc.
              R2020b Update 1 (9.9.0.1495850) 64-bit (maci64)
                             September 30, 2020
 
To get started, type doc.
For product information, visit www.mathworks.com.
 
>> 2021-02-01 06:44:12.194 MATLAB_maci64[42710:446809] CoreText note: Client requested name ".SFNS-Regular", it will get Times-Roman rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].
2021-02-01 06:44:12.194 MATLAB_maci64[42710:446809] CoreText note: Set a breakpoint on CTFontLogSystemFontNameRequest to debug.
2021-02-01 06:44:12.200 MATLAB_maci64[42710:446809] CoreText note: Client requested name ".SFNS-Bold", it will get Times-Roman rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].
2021-02-01 06:44:12.425 MATLAB_maci64[42710:446809] CoreText note: Client requested name ".SFNS-Regular", it will get Times-Roman rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].
2021-02-01 06:44:12.426 MATLAB_maci64[42710:446809] CoreText note: Client requested name ".SFNS-Bold", it will get Times-Roman rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].

I get the same error messages in the terminal when I use just type matlab as well. When I start MATLAB normally by clicking the application icon, these error messages do not appear in the command window. I did not experience these problems whe using R2020a on Catalina or R2020a on Big Sur.

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Paras Patel 2021-10-5

Hi - I just ran into this issue today as well and I searched google for a fix. Did not find any but I'm able to suppress it via (see below) which solves my immediate annoyance.

/Applications/MATLAB_R2021a.app/bin/matlab -nosplash -nodesktop 2> >(grep -v CoreText)

(i.e. I added the 2> >(grep -v CoreText) to redirect the stderr to grep and filtered out CoreText).

I would appreciate a more robust solution from MW though.

Peter G 2022-2-10

I get the same on a macbook pro running 2021b under Catalina

MATLAB CoreText note: Client requested name ".SFNS-Bold", it will get Times-Roman rather than the intended font. All system UI font access should be through proper APIs such as CTFontCreateUIFontForLanguage() or +[NSFont systemFontOfSize:].

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Answer 1

M. A. Hopcroft 2022-5-9

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https://ww2.mathworks.cn/matlabcentral/answers/732348-coretext-font-error-on-macos-big-sur#answer_960485

I had the same issue until just now and it looks like I got lucky with a solution. I had a java-related Matlab crash, and the Crash Reporter suggested this solution, which is to replace the Java JRE that is installed with Matlab with a different version:

MATLAB crashes on Mac when certain screen events occur (1382373)

I followed this procedure (replaced the MW JRE with the Adoptium JRE 8) for both R2020b and R2021b, and in both cases the font warning no longer appears. I have only tried this on macOS Monterey 12.3.1.

PS - Note that Java version 8 is not the default download at the Adoptium site, you have to select it specifically.

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jaydeequeue 2022-7-9

This worked for me under macOS Monterey 12.4 and MATLAB 2021a after installing the macOS JRE package for release jdk8u332-b09 found at https://adoptium.net/temurin/archive?version=8, removing /Applications/MATLAB_R2021a.app/sys/java/jre/maci64/jre, then making a symbolic link from /Applications/MATLAB_R2021a.app/sys/java/jre/maci64/jre to /Library/Java/JavaVirtualMachines/temurin-8.jre/Contents/Home

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Answer 2

Joshua O'Reilly 2021-10-9

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编辑：Joshua O'Reilly 2021-10-9

在 MATLAB Online 中打开

I found adding the

-nodisplay

flag to your command fixed it for me (or maybe just surpressed it). So:

matlab -nodesktop -nosplash -nodisplay

I'm running MATLAB R2021a on a Macbook Air M1 with macOS 11.6.

Edit: based on this article, you may be able to get away with just -nodisplay:

https://www.mathworks.com/matlabcentral/answers/16407-can-i-use-matlab-from-the-terminal-command-line-in-os-x

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Jack Shannon 2021-10-9

Thanks for the suggestion! I tried this and it did indeed suppress the error message, but this works only if I need no display features at all; if I wanted to create figures from the command line, I would not be able to. I did try starting matlab with the -nodisplay option and then ran the plot command, which produced the same error messages but no plot! There seems to be a problem with the way that MATLAB requests fonts from the OS whenever it creates display windows, and using -nodisplay just stops those requests but does not fix the underlying error.

Joshua O'Reilly 2021-10-9