Re: setProperty("headless","true") weirdness?
Thanks everyone who gave advice!
Here's the revised code which resolved the problem:
System.setProperty( "java.awt.headless" , "true" );
Toolkit tk = Toolkit.getDefaultToolkit( );
try {
// JFrame frame = new JFrame( );
// frame.getContentPane( ).add( c );
JPanel panel = new JPanel( );
panel.add( c );
panel.addNotify( );
In addition to setting the headless property, I had to swap from Frame
to Panel.
Thanks,
Jeff
Norman D. wrote:
Here is a link which might be helpful:
http://java.sun.com/developer/technicalArticles/J2SE/Desktop/headless/
--Norman
Daisy wrote:
Can anyone provide insight on System.setProperty( "java.awt.headless" ,
"true" )?
I've been struggling with a HeadlessException in the line:
JFrame frame = new JFrame( );
So I added System.setProperty( "java.awt.headless" , "true" ) before
the JFrame call. However, JFrame still throws this error. Shouldn't
setting the property inform the JVM that it is headless?
System.setProperty( "java.awt.headless" , "true" );
try {
JFrame frame = new JFrame( );
frame.getContentPane( ).add( c );
frame.addNotify( );
} catch ( HeadlessException e ) {
printStackTrace( );
}
It is a Redhat computer running Hotspot 1.5.0_07 and Tomcat 5.5.17. It
is headless. The application is a servlet that runs fine on linux
machines with monitors. I tried the -Djava.awt.headless=true argument
long ago and still use it.
I'd really appreciate any insight on this problem,
Thanks!
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