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Old 07-17-2012, 02:47 AM   #1
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Registered: Jan 2012
Posts: 8

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Question Program closes fine when run from cmd but .jar doesn't close.


I`m developing a simple java application and I've run into a rather annoying issue. When I run my application from the command line using > java Main it behaves as expected, specifically when I close the window the program exits gracefully. However when I build it as a jar using > jar cfe app.jar Main Main.class Form.class it doesn't do anything when I hit the close button and I have to kill the process.

The app simply displays a randomly selected message if the app hasn't been run earlier in the day.

This is my main method.
public static void main(String args[])
    String message = "";
    boolean usedToday = false;
    usedToday = usedToday();
    message = getMessage(usedToday);
And the form class
public class Form {
    public static void draw(String message) {
        final Frame frm = new Frame("App");
        Label lbl = new Label(message);
        frm.setSize(500, 200);
        frm.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {

Old 07-17-2012, 03:03 AM   #2
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Registered: Jan 2012
Posts: 8

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The solution was simply to include the class file Form$1.class in the jar
>jar cfe app.jar Main Main.class Form.class Form$1.class
>jar cfe app.jar Main *


close, jar, java

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