Posted by Wade Walker on Jan 08, 2011; 3:32pm
URL: https://forum.jogamp.org/Port-to-JOGL2-questions-tp1845722p2217189.html

It looks like GLU.gluProject() and GLU.gluUnProject() were fixed to work with doubles on November 11, 2010 (in commit d6750dfe8de1d3606f00ad8263d6060a937f33e5).

Could you try it with doubles again and see if there's still a problem? If so, I'll write a unit test and open a bug.