I strongly suspect this is a duplicate of bug #1208019. @Lonnie Lee Best please try the solution given there in comment 16 [1] to fix the Eclipse (Kepler) configuration and see if it foxes your problem, too.
[1] https://bugs.launchpad.net/ubuntu/+source/eclipse/+bug/1208019/comments/16 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1218687 Title: Top-Panel Menus Won't Drop Down for Dbeaver To manage notifications about this bug go to: https://bugs.launchpad.net/eclipse/+bug/1218687/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs