Matlab crashes on startup (java.lang.NullPointerException) on Fedora Linux
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As soon as I launch matlab with ./matlab the window opens and I get this message. What can I do?
When I close the error window matlab stays open but I can't click on anything and it crashes a few seconds later.
回答（2 个）
Doug
2022-9-2
3 个投票
This issue cropped up on me today; I was able to resolve it by blowing away (well ... moving, to be safe) my ~/.matlab/R2022a folder and letting MATLAB create a new one on startup. I'm not sure which file(s) caused the problem, but I just copied my history over to the newly created directory and that was good enough for me ...
4 个评论
Lukas Brändli
2022-12-24
Thank you!
This solved my exact same issue with R2022b on Manjaro Linux (Arch derivate).
Pablo
2023-9-8
I'm running MATLAB R2023a on WSL - Ubuntu, I can run command line matlab, but opening files on the GUI isn't working and throws this exception.
Even clearing (moving) this ~/.matlab directory didn't solve the issue.
Jared Brzenski
2025-2-12
This worked for R2023a when these error messages appeared after updating Ubuntu.
Chenye Zhou
2025-2-28
编辑：Chenye Zhou
2025-2-28
Sadly, this doesn't work. It seems this is related to a jre upgrade on Ubuntu through apt. This method got matlab opened normally. However, as long as I open or create a new .m file, the same error occurs.
Tom Hearn
2022-7-28
0 个投票
I have the exact same question after updateing to fedora 36 today. So I reinstalled matlab. This was a chore as I had to remove the libfreetype libraries to get it to work and then make sure root had access to the proper libraries. I got it reinstalled but it didn't solve the problem! What is going on?
2 个评论
Image Analyst
2022-7-28
What did tech support say when you called them? You DID call them, right?
Tom Hearn
2022-7-28
Well, I was hoping someone would respond here but I'll have to contact them.
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