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Why does MATLAB not render correctly when Japanese locale is selected on Red Hat® Enterprise Linux® 8?

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After MATLAB is installed and running with Red Hat 8.x and the locale is set to Japanese, the labels/names on the toolstrip do not render correctly.

Accepted Answer

MathWorks Support Team
MathWorks Support Team on 3 Aug 2020
Edited: MathWorks Support Team on 9 Sep 2020 at 14:27
This issue most likely occurs because Java does not recognize the text font, and is unable to render the correct format, as if the text font is missing altogether.
To resolve this issue:
1. Add "fallback" directory under (matlabroot)/sys/java/jre/glnxa64/jre/lib/fonts
2. Add a link for a Japanese font of your choice with the following commands:
cd fallback
ln -s /usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc NotoSansCJK-Regular.ttc
Then "ls" command displays below:
NotoSansCJK-Regular.ttc -> /usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc
3. Close and relaunch MATLAB
Please refer to the following Javadoc for additional information about fallback: https://docs.oracle.com/javase/jp/8/docs/technotes/guides/intl/font.html

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