FULL PRODUCT VERSION :
java version "1.5.0_08"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_08-b03)
Java HotSpot(TM) Client VM (build 1.5.0_08-b03, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows 2000 [Version 5.00.2195]

A DESCRIPTION OF THE PROBLEM :
An exception is thrown when passing true to setMaximum() upon the intialization of my JInternalFrame.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Run the attached code

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
I expect for the JInternalFrame to initialize the maximize size of the JDesktopPane.
ACTUAL -
I get a null pointer exception.

ERROR MESSAGES/STACK TRACES THAT OCCUR :
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at javax.swing.DefaultDesktopManager.maximizeFrame(DefaultDesktopManager.java:96)
at javax.swing.plaf.basic.BasicInternalFrameUI.maximizeFrame(BasicInternalFrameUI.java:508)
at javax.swing.plaf.basic.BasicInternalFrameUI$Handler.propertyChange(BasicInternalFrameUI.java:1529)
at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:333)
at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:270)
at java.awt.Component.firePropertyChange(Component.java:7159)
at javax.swing.JInternalFrame.setMaximum(JInternalFrame.java:959)
at MasterFrame.initComponents(MasterFrame.java:32)
at MasterFrame.<init>(MasterFrame.java:11)
at MasterFrame$1.run(MasterFrame.java:51)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:234)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------


/**
 *
 * @author bgoodin
 */
public class MasterFrame extends javax.swing.JFrame {
    
    /** Creates new form MasterFrame */
    public MasterFrame() {
        initComponents();
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">
    private void initComponents() {
        jDesktopPane1 = new javax.swing.JDesktopPane();
        jInternalFrame1 = new javax.swing.JInternalFrame();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        jInternalFrame1.getContentPane().setLayout(new java.awt.FlowLayout());

        jInternalFrame1.setClosable(true);
        jInternalFrame1.setIconifiable(true);
        jInternalFrame1.setMaximizable(true);
        jInternalFrame1.setAutoscrolls(true);
        try {
            jInternalFrame1.setMaximum(true);
        } catch (java.beans.PropertyVetoException e1) {
            e1.printStackTrace();
        }
        jInternalFrame1.setVisible(true);
        jInternalFrame1.setBounds(120, 100, 81, 36);
        jDesktopPane1.add(jInternalFrame1, javax.swing.JLayeredPane.DEFAULT_LAYER);

        getContentPane().add(jDesktopPane1, java.awt.BorderLayout.CENTER);

        pack();
    }// </editor-fold>
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new MasterFrame().setVisible(true);
            }
        });
    }
    
    // Variables declaration - do not modify
    private javax.swing.JDesktopPane jDesktopPane1;
    private javax.swing.JInternalFrame jInternalFrame1;
    // End of variables declaration
    
}

---------- END SOURCE ----------