Lum*_*ria 1 java javafx exception
我以前一起使用过 JavaFX 和 IntelliJ,通常可以让它工作。现在我正在尝试使用 HTMLEditor,尽管为 IntelliJ 提供了我的 JavaFX 库目录的路径并添加了我总是对“MyHTMLEditor”类的 vm 选项执行的相同指令,但我仍然不断收到调用目标异常。
我已经在其他程序上使用相同的设置成功运行了 JavaFX,所以我觉得可能需要将一些模块添加到 vm 选项中才能使 HTMLEditor 工作,但我不知道是什么。
如何阻止我的 HTMLEditor 对象产生错误?
我正在使用 OpenJFX 12 和 Oracle Java 12。
vm 选项说明:
--module-path /home/myName/Java_Libraries/javafx-sdk-12.0.1/lib --add-modules=javafx.controls,javafx.fxml
该程序:
public class MyHTMLEditor extends Application {
@Override
public void start(Stage stage) {
stage.setTitle("My HTMLEditor");
stage.setWidth(650650);
stage.setHeight(300);
final HTMLEditor htmlEditor = new HTMLEditor();
htmlEditor.setPrefHeight(245);
Scene scene = new Scene(htmlEditor);
stage.setScene(scene);
stage.show();
}
public static void main(String[] args) {
launch(args);
}
}
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错误:
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:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:567)
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:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:567)
at java.base/sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:1051)
Caused by: java.lang.RuntimeException: Exception in Application start method
at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:900)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$launchApplication$2(LauncherImpl.java:195)
at java.base/java.lang.Thread.run(Thread.java:835)
Caused by: java.lang.IllegalAccessError: class javafx.scene.web.HTMLEditor (in unnamed module @0x1858dacf) cannot access class com.sun.javafx.scene.control.ControlHelper (in module javafx.controls) because module javafx.controls does not export com.sun.javafx.scene.control to unnamed module @0x1858dacf
at javafx.scene.web.HTMLEditor.<init>(HTMLEditor.java:50)
at controllers.MyHTMLEditor.start(MyHTMLEditor.java:15)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$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$10(PlatformImpl.java:428)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:389)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:427)
at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
at javafx.graphics/com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
at javafx.graphics/com.sun.glass.ui.gtk.GtkApplication.lambda$runLoop$11(GtkApplication.java:277)
... 1 more
Exception running application controllers.MyHTMLEditor
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我只需要在 VM 选项指令的末尾添加“,javafx.web”。
逗号和“javafx.web”之间没有空格很重要。
因此,VM 选项指令变为:
--module-path /home/myName/Java_Libraries/javafx-sdk-12.0.1/lib --add-modules=javafx.controls,javafx.fxml,javafx.web
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