Posted by Matt on Aug 20, 2010; 10:53pm
URL: https://forum.jogamp.org/JOGL-win32-binding-bug-for-glTransformFeedbackVaryings-tp1197405p1255002.html

Well, of course. Building gluegen helped. :)
That is rather obvious, but could be mentioned in the how-to for people following it in the middle of the night. ;)

Anyways, the generated JNI code for glTransformFeedbackVaryings seems to 'make sense', so figuring out why it misbehaves on Windows won't be that easy...