JPopupMenu.setVisible(true) throws HeadlessException

Name: sdR10048 Date: 01/25/2001


public void javax.swing.JPopupMenu.setVisible(true)
throws unspecified HeadlessException in headless mode.

Javadoc says:
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public void setVisible(boolean b)

     Sets the visibility of the popup menu.
     Overrides:
         setVisible in class JComponent
     Parameters:
         b - true to make the popup visible, or false to hide it
See example:
--------------------------------------------------
[sword] ~/tmp
% cat Test.java
import javax.swing.*;
public class Test {
    public static void main(String[] args) {
        JPopupMenu c = new JPopupMenu();
        c.setVisible(true);
    }
}

[sword] ~/tmp
% javac Test.java

[sword] ~/tmp
% java -Djava.awt.headless=true Test
Exception in thread "main" java.lang.NullPointerException
        at javax.swing.JPopupMenu.getPopup(JPopupMenu.java:733)
        at javax.swing.JPopupMenu.setVisible(JPopupMenu.java:683)
        at Test.main(Test.java:5)

[sword] ~/tmp
% java -version
java version "1.4.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta-b48)
Java HotSpot(TM) Client VM (build 1.4beta-B48, mixed mode)
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