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Since I just hit my head against the wall for a couple of hours, I'll see if I can spare others the trouble. (Cudos to Janne for hints on this one.)


You want to generate dynamic graphics in a command line app or a servlet in unix, never actually displaying anything. You get a "connection to X11 server refused" error, because an X server is not running or you don't have permissions to access it.



start Java with -Djava.awt.headless=true See

Older JDK's:

See if you can install xvfb, a virtual X server, made for nasty software just like AWT-based Java. Or, see if you can use PJA,


Text by ebu.

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« This particular version was published on 25-Jan-2002 16:25 by