I installed sun-java6-plugin 6-03-0ubuntu2 and the problem disappears. So i think, the problem is in the package sun-java5-plugin 1.5.0-13-0ubuntu1.
-- [gutsy] Java Console not usable in firefox with sun-java5-plugin https://bugs.launchpad.net/bugs/155513 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs