On Wed, Dec 12, 2012 at 11:35 AM, Daniel Stender <daniel@danielstender.com> wrote: > test: cannot connect to X server :0 You do not have X11 on buildd. You need to use Xvfb during execution of your test suite. Eg. https://lists.debian.org/debian-java/2012/11/msg00006.html HTH