How to make a dalog process custom events when blocked by modal dialog

Question

Hi,
I would like to understand the way modal dialogs block other dialogs so that I can properly solve an issue I'm having with two modal dialogs, one blocking the other.
I have an application, netbeans platform based, that opens a JDialog, NewDiskDlg, with it's modal property set to true. This dialog is responsible for starting a thread that will process a given number of files, from time to time, depending on some conditions, this thread will send events to the NewDiskDlg.
When this thread is started, the NewDiskDlg creates a new JDialog, also with the modal property set to true. Both dialogs have the same parent, the main window. And this works as I expected, the second dialog, ActiveScanningDlg, opens on top of the NewDiskDlg and, until the thread stops, the dialog stays visible.
When the thread stops an event is sent to this two dialogs signaling that the job has been completed, and here is my problem. The second dialog, the one that is visible when the event arrives, receives the event and executes the dispose() method, releasing control to the NewDiskDlg in the back, but the NewDiskDlg does not receive the event and does not process it correctly.
I understand the no input can be sent to a blocked window, but does that include calling upon the window's methods?
I've been looking for some help on this but my search terms are not good enough to provide me with any useful information. I've also read the topic on the focus system that is present in the Java Tutorial but I feel that that is not what I should be looking at.
The following code is a snippet of the important parts that I described:
NewDiskDlg has the following methods to process the events
    public void readingStarted(ReadingEvent evt) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                scanningDlg.showCentered();
    public void readingFile(ReadingEvent evt) {
        //DO NOTHING
    public void readingStopped(ReadingEvent evt) {
        Lookup.getDefault().lookup(MediaReader.class).removeListener(this);
        if (!showAgain) {
            dispose();
    public void readingAborted(ReadingEvent evt) {
        JOptionPane.showMessageDialog(this, "", "", JOptionPane.ERROR_MESSAGE);//TODO: i18n on the error messagens
        Lookup.getDefault().lookup(MediaReader.class).removeListener(this);
    }ActiveScanningDlg processes the events like this:
    public void readingStarted(ReadingEvent evt) {
        //DO NOTHING
    public void readingFile(ReadingEvent evt) {
        jpbReadingProgress.setString(evt.getCurrentFileName());
    public void readingStopped(ReadingEvent evt) {
        Lookup.getDefault().lookup(MediaReader.class).removeListener(this);
        dispose();
    public void readingAborted(ReadingEvent evt) {
        readingStopped(evt);
    }This is an example on how the events are sent:
    private void fireReadingFile(ReadingEvent evt) {
        for (ReadingListener l : listeners) {
            l.readingFile(evt);
    }

Answer 1

Hi,
You have to check the Tolerance limits set for the following tolerance keys. In case if any where the limit is breached the systems blocks the Invoice as 'R - Invoice verification'. Please check the limits set for all these keys.
AP - item amount variance (if you have activated the item check)
DQ and DW - for Quantity variance
PP - price variance with the order price
ST - date variance
VP - Moving average price variance
Regards,
Kathir