Modify the startup script for tomcat so that the java.awt.headless system property is set to true.
Example: java -Djava.awt.headless=true -cp $CLASSPATH $MAINCLASS This will tell the Java virtual machine to use a non-X11 toolkit for images etc. ----- Original Message ----- From: "Micael Padraig Og mac Grene" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: "Teresa Rebo" <[EMAIL PROTECTED]> Sent: Sunday, May 12, 2002 5:03 PM Subject: X11 Windows System and Tomcat > This is maybe not a pure Tomcat question, but I am running a servlet on > Tomcat which uses javax.swing, to resize jpeg images, but which does not, > of course, want to display those images. This throws an exception, due to > a bug in the JDK 1.4. > > The exception is: > > > Exception in thread "main" java.lang.InternalError: Can't connect to X11 > window server using ':0,0' as the value of the DISPLAY variable. > at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method) > at sun.awt.X11GraphicsEnvironment.<clinit><>(11GraphicsEnvironment.java:126) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:130) > at java.awt.Toolkit#2.run(Toolket.java:712) > at java.security.AccessController.doPrivileged(Native Method) > at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:703) > at javax.swing.ImageIcon.(init>(ImageIcon.java:81) > at javax.swing.ImageIcon.<init>(ImageIcon.java:107) > > ps aux reveals: "/etc/X11/X -auth /var/lib/kdm/authfiles/A:0-0Dqymv" > > Anyone know the command I need to use to solve this, if any? I would > prefer not to use a virtual X11 system, or to build a substitute Toolkit > for the JDK. > > Thanks, > > Micael > > > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> > > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
