Program Hangs While Adding First ActionListener

Question

Hey All,
I'm trying to build myself a quick and dirty database application for maintaining my church's phone list and have hit a snag.
My project (being developed in NetBeans IDE 6.5.1 on Slackware Linux 12.2) keeps hanging in the initComponents() function of my one and only form. After it goes through all of the Swing widget creation statements:
    tbMain = new javax.swing.JToolBar();
    btnExit = new javax.swing.JButton();
    tbSep1 = new javax.swing.JToolBar.Separator();
    btnPrint = new javax.swing.JButton();
    // 63 or so widgets deleted for convenience.
    mnuHelpIndex = new javax.swing.JMenuItem();
    mnuHelpSep1 = new javax.swing.JSeparator();
    mnuHelpAbout = new javax.swing.JMenuItem();the code comes to the setup of my first toolbar button, which is the btnExit:
    btnExit.setIcon(new javax.swing.ImageIcon(getClass().getResource("/cbpekin/art/application-exit.png"))); // NOI18N
    btnExit.setToolTipText("Exit the Application (Alt-x)");
    btnExit.setBorderPainted(false);
    btnExit.setFocusPainted(false);
    btnExit.setFocusable(false);
    btnExit.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
    btnExit.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
    btnExit.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(java.awt.event.ActionEvent evt) {
        btnExitActionPerformed(evt);
    tbMain.add(btnExit);
    tbMain.add(tbSep1);Now, the btnExit.addActionListener() bit is where the run hangs up. This code is added in and controlled by the IDE, which does not allow me to edit it. Having said that, I don't see anything wrong with it and I get no errors or exceptions...the project just hangs as if it is working on something, but it never seems to go beyond this line. I have given it up to about 20 minutes to see if it was just going slow (which won't work at all, if that had been the case), but it never did continue past this point.
At first, I thought that it could be an IDE issue, so I compiled my JAR file and tried to execute it directly from the command line, but it hung in my MainForm constructor (according to my logs), but never completed. Due to this, I'm assuming that when I ran it directly, it hung in the same place. When this didn't work, I tried using a different version of the IDE, to no avail...it still hung up at the same place. When I added that ActionListener, I was using NetBeans 6.7 milestone 3. Could that IDE having generated this code caused the problem that I'm experiencing? Changing to an older version of the IDE has not helped, but I'm open to anything at this point.
Any thoughts as to things that I can try to trap exactly what is going on here or suggestions as to how to fix this weird "hang up" are most appreciated. I look forward to hearing what you all have to say.
Cheers,
Sean Carrick
PekinSOFT Systems

Answer 1

OK, All, this is what I've got:
I tried just commenting out code to see where the hang up was being caused. As I had said in my original post:
the code comes to the setup of my first toolbar button, which is the btnExit:
btnExit.setIcon(new javax.swing.ImageIcon(getClass().getResource("/cbpekin/art/application-exit.png"))); // NOI18N
btnExit.setToolTipText("Exit the Application (Alt-x)");
btnExit.setBorderPainted(false);
btnExit.setFocusPainted(false);
btnExit.setFocusable(false);
btnExit.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
btnExit.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
btnExit.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnExitActionPerformed(evt);
tbMain.add(btnExit);
tbMain.add(tbSep1);
I could not determine at what point that the hang up started happening. Even after I had added the ActionListener for the btnExit toolbar button, my project still ran, until some indeterminate point where I added something to the project which caused it to start hanging up on this .addActionListener() line.
Since I couldn't determine when the hang up started taking place by commenting out code. I decided to recreate the project from scratch (but bringing in files that I know were not causing the problem). By doing this, I've gotten to the point where I've got the btnExit ActionListener being added again and am not getting the hang up. This is really weird! I don't want to have to keep recreating my projects because of something crazy like this happening.
I'm not sure if I had mentioned it in any of my replies to this thread, but when I had originally added the ActionListener for the btnExit toolbar button, I was using NetBeans 6.7 milestone 3. When I recreated the project, I did so in NetBeans 6.5.1. So, I'm beginning to think that the problem I had was actually with the version of NetBeans that I was using and not with the JDK or Java code that I had written.
Any thoughts on this? This question is mainly for you folks that are like me and kind of a NetBeans freak. ;-)
Cheers,
Sean Carrick
PekinSOFT Systems