My .jar application will run using `java -jar DayZngine.jar` but an error will occur on mouse icon-click (SWING)
09:50 06 Nov 2025

I resolved this problem once, about a year ago GPTing through it, but it now keeps saying me to run it with the double-click to see the error. Well - "A Java Exception has occured" means nothing to me, and form the CMD it works just fine..

Is there any known causes for such scenarions?


  • This is a Swing application, with dependencies:
    • org.projectlombok.lombok
    • com.jgoodies.forms
    • net.java.dev.jna.jna
    • net.java.dev.jna.jna-platform

My main class file

package traqu;

import traqu.mvc.view.MainView; 
import traqu.settings.utils.AppDataFilesInitializer;

import javax.swing.*;


public class Main {

    public static void main(String[] args) {

        AppDataFilesInitializer.init();
        SwingUtilities.invokeLater(MainView::new);
    } 
}


java swing jar runtime-error executable-jar