尝试使用IntelliJ中JavaFX15的模块在JavaSDK15上运行javaFX
这是一个错误,但是它只在使用Button类时发生尝试使用IntelliJ中JavaFX15的模块在JavaSDK15上运行javaFX,java,intellij-idea,javafx,Java,Intellij Idea,Javafx,这是一个错误,但是它只在使用Button类时发生 Exception in Application start method java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccesso
Exception in Application start method
java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:464)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:363)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at java.base/sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:1071)
Caused by: java.lang.RuntimeException: Exception in Application start method
at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:900)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$launchApplication$2(LauncherImpl.java:195)
at java.base/java.lang.Thread.run(Thread.java:832)
Caused by: java.lang.IllegalAccessError: superclass access check failed: class com.sun.javafx.scene.control.ControlHelper (in unnamed module @0x5b3ec5dc) cannot access class com.sun.javafx.scene.layout.RegionHelper (in module javafx.graphics) because module javafx.graphics does not export com.sun.javafx.scene.layout to unnamed module @0x5b3ec5dc
at java.base/java.lang.ClassLoader.defineClass1(Native Method)
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1016)
at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:151)
at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:825)
at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:723)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:646)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:604)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:168)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
at javafx.scene.control.Control.<clinit>(Control.java:86)
at Main.start(Main.java:17)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$9(LauncherImpl.java:846)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runAndWait$12(PlatformImpl.java:455)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:428)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:427)
at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
Exception running application Main
当我移除按钮时,它运行良好并显示窗口,但是当使用按钮时,它抛出该错误。我怎样才能解决这个问题。我目前在Mac电脑上,使用IntelliJ。JDK 15和JavaFX 15。如果您使用的是IntelliJ,您应该将其添加到运行配置下的VM选项中。 --模块路径路径到javafx——添加模块javafx.controls,javafx.fxml
路径JavaFX应该是/lib文件夹。我在使用JavaFX和模块时遇到了很大的挑战。到目前为止,我已经解决了如何合并Maven和SQL,但如果我添加模块信息文件,它就会失败 基本上,我遇到的问题(产生了与您相同的结果)由我解决了:删除模块信息并删除Maven,但将OpenJFX作为项目的库,或者删除库和模块信息,但通过Maven获取OpenJFX 问题是JavaFX的位置/引用和模块信息文件把工作搞得一团糟
我想和大家分享一下对我有用的东西。祝你好运 查看stacktrace,我认为您的
module info.java
文件有问题。确保它有类似于需要javafx.controls的东西;导出com.org.yourprojectname代码>您将在何处添加此项。在main中,应该有一个名为module info.java
的文件。您应该将它添加到那里。按照步骤操作。我用这种方法解决了它,但当我这样做时,无法通过IntelliJ编译java应用程序,它一直说找不到main。所以我不得不切换到Java8,用IntelliJ中的JavaFX内置进程进行编译,有没有办法解决这个问题?
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
public class Main extends Application{
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage stage) throws Exception {
Button button = new Button();
button.setText("Click Me");
stage.setTitle("First JavaFX GUI");
StackPane layout = new StackPane();
layout.getChildren().add(button);
Scene scene = new Scene(layout, 300, 250);
stage.setScene(scene);
stage.show();
}
}