There is a workaround to continue using kxdocker until they fix it, although in an much earlier version: installing DEB packages from Debian Testing repository.
See: http://www.ubuntuforums.org/showthread.php?t=294418 -- doesnt open in edgy https://launchpad.net/bugs/55782 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
