Thread: Java Error JInternalFrame on the next showing

I have problem with showing jInternalFrame from another jInternalFrame to JDesktopane, i'm use Netbeans IDE. First show no problem appears but when the jInternalFrame close with dispose() and want to show again error appears.

This is the error message :

Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: illegal component position
	at java.awt.Container.addImpl(Container.java:1093)
	at javax.swing.JLayeredPane.addImpl(JLayeredPane.java:230)
	at javax.swing.JDesktopPane.addImpl(JDesktopPane.java:474)
	at java.awt.Container.add(Container.java:410)
	at InternalTes.FrameMaster.menuTambahActionPerformed(FrameMaster.java:83)
	at InternalTes.FrameMaster.access$000(FrameMaster.java:13)
	at InternalTes.FrameMaster$1.actionPerformed(FrameMaster.java:49)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
	at java.awt.Component.processMouseEvent(Component.java:6505)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
	at java.awt.Component.processEvent(Component.java:6270)
	at java.awt.Container.processEvent(Container.java:2229)
	at java.awt.Component.dispatchEventImpl(Component.java:4861)
	at java.awt.Container.dispatchEventImpl(Container.java:2287)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
	at java.awt.Container.dispatchEventImpl(Container.java:2273)
	at java.awt.Window.dispatchEventImpl(Window.java:2719)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735)
	at java.awt.EventQueue.access$200(EventQueue.java:103)
	at java.awt.EventQueue$3.run(EventQueue.java:694)
	at java.awt.EventQueue$3.run(EventQueue.java:692)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
	at java.awt.EventQueue$4.run(EventQueue.java:708)
	at java.awt.EventQueue$4.run(EventQueue.java:706)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:705)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)

This is FrameMaster(JInternalFrame) Code :

package InternalTes;
 
/**
 *
 * @author Vikar
 */
public class FrameMaster extends javax.swing.JInternalFrame {
 
    /**
     * Creates new form FrameMaster
     */
    public FrameMaster() {
        initComponents();
    }
 
    private static FrameMaster instance;
    public static FrameMaster getInstance() {
        if(instance == null){
            instance = new FrameMaster();
        }
        return instance;
    }
 
    /**
     * 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.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {
 
        btnShowChild = new javax.swing.JButton();
 
        btnShowChild.setText("Show");
        btnShowChild.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnShowChildActionPerformed(evt);
            }
        });
 
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(btnShowChild)
                .addContainerGap(336, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(238, 238, 238)
                .addComponent(btnShowChild)
                .addContainerGap(17, Short.MAX_VALUE))
        );
 
        pack();
    }// </editor-fold>                        
 
    private void btnShowChildActionPerformed(java.awt.event.ActionEvent evt) {                                             
        // TODO add your handling code here:
        FrameChild wd = FrameChild.getInstance();
        if(wd.isVisible()){
           wd.toFront();
        }else {
            Window.jDesktopPane1.add(wd);
            wd.setVisible(true);
        }
    }                                            
 
 
    // Variables declaration - do not modify                     
    private javax.swing.JButton btnShowChild;
    // End of variables declaration                   
}

This is FrameChild(JInternalFrame) Code :

package InternalTes;
 
/**
 *
 * @author Vikar
 */
public class FrameChild extends javax.swing.JInternalFrame {
 
    /**
     * Creates new form input
     */
    public FrameChild() {
        initComponents();
    }
 
    private static FrameChild myInstance;
    public static FrameChild getInstance() {
        if(myInstance == null){
            myInstance = new FrameChild();
        }
        return myInstance;
    }
 
    /**
     * 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.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {
 
        btnClose = new javax.swing.JButton();
 
        btnClose.setText("jButton1");
        btnClose.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnCloseActionPerformed(evt);
            }
        });
 
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(311, Short.MAX_VALUE)
                .addComponent(btnClose)
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(244, Short.MAX_VALUE)
                .addComponent(btnClose)
                .addContainerGap())
        );
 
        pack();
    }// </editor-fold>                        
 
    private void btnCloseActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
        dispose();
    }                                        
 
 
    // Variables declaration - do not modify                     
    private javax.swing.JButton btnClose;
    // End of variables declaration                   
}

For Window(JFrame), I did not include it here because the code just usual JFrame & JDesktoPane inside. Please Master of java programming here please it's support, this problem make me crazy for a half years. My System Information Project stuck only because of this problem, i have no problem for using unbranched JInternalFrame.

Thanks, Best & Regrads.

This is your second topic on this same problem. The previous thread was reportedly solved. Why are we visiting this again, and what has changed since your original thread?

As I asked in the orignal thread, post code - as short as possible - with instructions to reliably repeat the problem so that we can run and see the problem ourselves. There's not much we can do with the info you've given so far.

The code you've posted also has the fingerprints of being crafted (I use the term generously) by the Netbeans GUIBuilder. If that's the case, you may have trouble finding help here, because the code produced by the GUIBuilder isn't meant to be fiddled with (understood, maintained, etc.). You may need to look for help with the GUIBuilder rather than with Java, because therein lies the root cause of the problem.

sorry if it makes you confused, this is a new problem, because JDialog is a Top Container and can not replace JInternalFrame function. I tried comparing other programming languages ​​such as Power Builder. Looks like InternalFrame It can not be called from InternalFrame, do you agree with me?

I don't understand the problem you're trying to solve. A short, runnable example would help.

Originally Posted by GregBrannon

I don't understand the problem you're trying to solve. A short, runnable example would help.

Can I send you the Netbeans Project file that contain the problem?
Thanks