As you have found a work around and running Java application for browser plugins is being phased out this is not something we will be working to fix. Sorry.
** Changed in: ubuntu-mate Status: Incomplete => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1597064 Title: Fullscreen java apps not displaying properly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-mate/+bug/1597064/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs