Posted by Wade Walker on Feb 06, 2019; 1:56am
URL: https://forum.jogamp.org/NewtCanvasSWT-Linux-Exception-with-GTK-VERSION-tp4039442p4039488.html

I confirmed that the new bugs I see only occur with SWT 4.10/GTK 3.22.30. The previous version we used, SWT 4.3/GTK 2.24.32, didn't show this behavior. They may be due to my fix for the deprecated GTK gdk_window_set_back_pixmap(), which I replaced with gdk_window_set_background_pattern() after finding that Eclipse did the same thing. I'll dig in here and see if there's another solution.