Posted by runiter on Jun 10, 2020; 3:57am
URL: https://forum.jogamp.org/Java3D-Javafx-doesn-t-work-on-Java-14-tp4040679p4040692.html

Oh never mind! It works now!
Guess I can ignore those logs.

So long story short the problem was missing "--add-opens java.desktop/sun.awt=jogamp.fat"

Thanks for the help