Posted by jmaasing on Apr 23, 2016; 8:43pm
URL: https://forum.jogamp.org/Exception-in-thread-main-java-lang-NoClassDefFoundError-org-j3d-aviatrix3d-DrawableSurface-tp4036647p4036651.html

That's en error in the Netbeans generated files and has nothing to do with Java3D. Maybe recreate your project in netbeans will fix it.