Posted by gouessej on Oct 01, 2010; 10:47am
URL: https://forum.jogamp.org/Latest-stable-release-tp1566718p1613894.html

I explained it there:
http://jogamp.762907.n3.nabble.com/Support-of-windows-amd64-system-is-broken-tp1486942p1560071.html

JOGL 2 is not backward compatible.