I am still occasionally getting long Java errors when I run GUIs, and when they occur the GUI's message boxes are blank instead of displaying their intended text and pushbuttons are hidden (they reappear when a cursor is hovered over them). I will try running on 64-bit 2017b instead of 32-bit 2015b to see if this solves the problem. Again just mentioning this consequence of a java error, in case someone has a similar issue.
Workaround for java error
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KAE
am 31 Okt. 2017
Bearbeitet: Deepu George Kurian
am 18 Mär. 2021
I have a graphics intensive Matlab script that occasionally gives the error
Exception in thread "AWT-EventQueue-0" javax.media.nativewindow.NativeWindowException: Error windowHandle 0, werr: 0
Would love guidance on eliminating this. I found this set of workarounds, but did not get success by updating the driver, turning off off GraphicsSmoothing, or switching to opengl('save','software') or opengl('save','hardwarebasic'). In case it's relevant, I have a 64 bit machine but am using the 32-bit version of R2015b (required by some hardware).
Here is the full java error message,
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/169001/image.jpeg)
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KAE
am 3 Nov. 2017
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Image Analyst
am 20 Nov. 2017
Thanks for sharing this non-obvious answer. I'm sure it might help someone someday.
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Olivier Sauter
am 19 Jan. 2019
I had many error messages when starting matlab and could not open the matlab editor, matlab although was working otherwise.
I tried resetting the .matlab and various preferences
At the end I simply needed to remove the felix-cache folder, which we should do regularly but keep forgetting...
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Deepu George Kurian
am 17 Mär. 2021
Bearbeitet: Deepu George Kurian
am 18 Mär. 2021
I am encountering the exact same problem right now with my Matlab R2018b. Could you please elaborate on what you had to do? (I am not that good with these) @Olivier Sauter
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