You know you are up against the same fellow if you start seeing the
On a Ubuntu on the other hand, you could install the Xvfb package (via apt, synaptic, etc.)
2. Start X:
3. Export display:
With those done, now you should have entered the simpler "No X11 DISPLAY variable" zone. Simply export the display variable to fix this.
java.awt.HeadlessException, typically running off a virtual server, or in the rare case of a dedicated server without a monitor (aka head).
The solution is simple. First shut down the application, tomcat, etc. that got the exception.
1. Install the X display manager.
On a Ubuntu on the other hand, you could install the Xvfb package (via apt, synaptic, etc.)
2. Start X:
3. Export display:
With those done, now you should have entered the simpler "No X11 DISPLAY variable" zone. Simply export the display variable to fix this.
(In the Ubuntu case above you have to export DISPLAY=:1)
4. Allow all users to connect/ use this Display variable:
Now restart the application, tomcat, etc. that you were trying to run initially & it should work. Hope nothing headless ever troubles no man!
