Question : Running FOP under Linux

Hi,
I installed fop version 0.95 stable under Linux.
I got the following error message
(.:5996): Gtk-WARNING **: cannot open display:

Any idea on what is wrong?

Thanks,

Answer : Running FOP under Linux

Thanks for your coments,
It's working now...I set up JAVA_HOME environment variable in /etc/bashrc

JAVA_HOME=/usr/local/jre1.6.0_07; export JAVA_HOME