Scene builder报错 .reflect.InvocationTargetE

2025-11-23 18:40:51

1、1. 使用Scene builder开发的时候,出现报错如下,

 Exception in Application start method

java.lang.reflect.InvocationTargetException

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:389)

at com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:328)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:767)

Caused by: java.lang.RuntimeException: Exception in Application start method

Scene builder报错 .reflect.InvocationTargetE

2、2.  找到创建好的.fxml文件,鼠标右键选择【Open in Scen Builder】

Scene builder报错 .reflect.InvocationTargetE

3、3. 打开Scene builder后,点击菜单栏View,弹出的菜单中选择【Show Sample Controller Skeleton】

Scene builder报错 .reflect.InvocationTargetE

4、4. 步骤3后,在弹出的窗口中,复制代码

Scene builder报错 .reflect.InvocationTargetE

5、5.  找到Controller.java文件,进行粘贴代码(注意类名)

Scene builder报错 .reflect.InvocationTargetE

6、6. 点击IDE的运行按钮,弹出效果如图所示

Scene builder报错 .reflect.InvocationTargetE

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Scene builder报错 .reflect.InvocationTargetE

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