Description:
The WmTest doesn't paint any widget.

Additional info:
extra/jdk 6u7-1

Steps to reproduce:
compile and run <<JAVAPROG
import javax.swing.*;

public class WmTest extends JFrame {

public WmTest () {
JLabel l = new JLabel ("WM Test");

this.getContentPane().add(l);
this.setSize(256, 256);

//this.pack();
this.setVisible (true);
}

public static void
main (String args[]) {
WmTest r = new WmTest ();
}

}
JAVAPROG;