Posted by Wade Walker on Apr 16, 2011; 2:24pm
URL: https://forum.jogamp.org/JOGL-Web-Start-demos-not-working-on-Mac-Snow-Leopard-tp2820075p2827997.html

There's also the Web Start cache, which you can clear with "javaws -Xclearcache". Some other users have seen a problem with this (see https://jogamp.org/bugzilla/show_bug.cgi?id=470).