I also face the bug. I think that the discussion made at http://stackoverflow.com/questions/30836201/jframe-wrong-location-with- ubuntu-unity can help understand and track the bug. The issue is that the behaviour is random. See my edit to detect when it happens.
-- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/1110138 Title: Unity: wrong window dimensions / location in Java applications To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1110138/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp