BufferedImage.createGraphics() from a servlet

Roberto Nunnari roberto.nunnari at supsi.ch
Tue Dec 21 17:21:11 PST 2004


Hi all.

I'm having trouble running a simple servlet that does the
following:

BufferedImage image = new BufferedImage(100, 20, BufferedImage.TYPE_3BYTE_BGR);
Graphics2D g = image.createGraphics();

This are the facts:

-bash-2.05b# uname -a
FreeBSD jupiter.noonlights.net 5.2.1-RELEASE-p9 FreeBSD 5.2.1-RELEASE-p9 #3: Sat 
Aug 14 06:30:22 CEST 2004 
root at jupiter.noonlights.net:/usr/obj/usr/src/sys/JUPITER  i386

-bash-2.05b# XFree86 -version
XFree86 Version 4.3.0
...

-bash-2.05b# java -version
java version "1.4.2-p6"
Java(TM) 2 Runtime Environment, Standard Edition (build 
1.4.2-p6-root_09_aug_2004_03_45)
Java HotSpot(TM) Client VM (build 1.4.2-p6-root_09_aug_2004_03_45, mixed mode)

-bash-2.05b# pkg_info |grep wrapper
javavmwrapper-1.4   Wrapper script for various Java Virtual Machines
wrapper-1.0_3       Wrapper for XFree86-4 server

note that I don't have a monitor attached, but the server
is running..

-bash-2.05b$ startx -listen_tcp &

-bash-2.05b$ xhost +

.. if I enable xdm in /etc/ttys then I get connection refused
messages from the Xserver..

can any kind soul help me out?

Thank you.
-- 
               Roberto Nunnari -software engineer-
  Scuola Universitaria Professionale della Svizzera Italiana
              Dipartimento Tecnologie Innovative
                   http://www.dti.supsi.ch
  SUPSI-DTI
  Via Cantonale                        tel: +41-91-6108561
  6928 Manno                 """       fax: +41-91-6108570
  Switzerland               (o o)
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