I confirm (that for me) the problem is proxy.pac related. Up to now, I denied the access to www.mysite.com/proxy.pac for when users are outside, with their netbooks.
My Apache .htaccess looked like: <Files proxy.pac> Order Deny,Allow Deny from All Allow from 192.168.0.0/16 </Files> This worked for Chromium+IcedTea but not for Firefox+IcedTea. Finally I had to use a new .htaccess like: Options +FollowSymLinks RewriteEngine On RewriteCond %{REMOTE_ADDR} !^192\.168\. RewriteRule proxy\.pac$ http://www.mysite.com/direct.pac [R=301,L] where direct.pac is: function FindProxyForURL(url, host) { return "DIRECT"; } Finally, Chromium+IcedTea don't understand the possibility to return more than a proxy (or proxy fail). I had a proxy.pac ending by: return "PROXY 192.168.0.3:8080; DIRECT"; and I had to put: return "PROXY 192.168.0.3:8080"; -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1091926 Title: firefox java applet fails when the firefox is launched by a java program To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/1091926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs