GlassFish 3.0.1服务器上的Java小程序

Question

I have developed an applet and I am using a JSP to upload it. I have worked it using Netbeans 6.9. The applet works fine without JSP. When I run JSP on Glassfish server, applet does not run.

My applet takes 43 seconds to do processing and get displayed, I think this may be the problem.

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When I run the same JSP with the same applet but with slight modification, applet runs correctly with JSP. Modification is that I comment out a function call (called from init() method) which is responsible for large execution time. The long running method reads three files and generates the output in the choice buttons, ie generates the choices.

But I need that function in my applet, that is very important function.

Every catch statement has a printstacktrace() method call in it.

public void start(){
   initialise_maps();
}


public void init() {
    try {
        java.awt.EventQueue.invokeAndWait(new Runnable()
        {
            public void run() {
                initComponents();
            }
        });
    } catch (Exception ex)
    {
        ex.printStackTrace();
    }
 //   initialise_maps();
}

Answer 1

Modification is that I comment out a function call (called from init() method) which is responsible for large execution time.

It seems it will be necessary to refactor that method call to the start() method, or do it in a separate Thread (eg using a SwingWorker ).

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The long running method reads three files and generates the output in the choice buttons, ie generates the choices.

Add the choice boxes in the init() method, but populate them in the start() method (if not already done - the start method is called every time the browser is restored from minimized, as well as directly after init() ).