Posted by Manu on May 21, 2021; 1:28pm
URL: https://forum.jogamp.org/Java3D-Javafx-doesn-t-work-on-Java-14-tp4040679p4041147.html

Not sure if it will help, but it recalled me this recent commit made in JOGL 2.4.0 on a similar "0 > gcIdx" test.
As array indices are always >= 0 in Java, it's sure that this test can only lead to an IndexOutOfBoundsException exception, no?