点击jar包打成的exe文件

问题遇到的现象和发生背景

java.lang.Error: Trampoline must not be defined by the bootstrap classloader
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: Could not initialize class sun.reflect.misc.MethodUtil

问题相关代码，请勿粘贴截图

java.lang.Error: Trampoline must not be defined by the bootstrap classloader
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: Could not initialize class sun.reflect.misc.MethodUtil

运行结果及报错内容

我的解答思路和尝试过的方法

我想要达到的结果