这个问题在这里已有答案:
我正在使用 JDK 11.0.1 和 JavaFX 11 from OpenJFX 运行 IntelliJ IDEA Ultimate 2018.2.5 . 我知道这是一个常见的错误,我尝试了很多提议的修复,但没有任何作用 .
无论我尝试运行哪个JavaFX项目,都会收到错误消息:
Error: JavaFX runtime components are missing, and are required to run this application
如果我将以下内容添加到VM选项中
--module-path="C:\Program Files\Java\javafx-sdk-11\lib" --add-modules=javafx.controls
我收到这些错误:
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:566)
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:566)
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$2(LauncherImpl.java:195)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.IllegalAccessError: class com.sun.javafx.fxml.FXMLLoaderHelper (in unnamed module @0x5fce9dc5) cannot access class com.sun.javafx.util.Utils (in module javafx.graphics) because module javafx.graphics does not export com.sun.javafx.util to unnamed module @0x5fce9dc5
at com.sun.javafx.fxml.FXMLLoaderHelper.<clinit>(FXMLLoaderHelper.java:38)
at javafx.fxml.FXMLLoader.<clinit>(FXMLLoader.java:2056)
at sample.Main.start(Main.java:13)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$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$10(PlatformImpl.java:428)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$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.win.WinApplication._runLoop(Native Method)
at javafx.graphics/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:174)
... 1 more
Exception running application sample.Main
我试着没有任何运气重新安装 . 我也尝试将 getClass().getResource(...)
更改为 getClass().getClassLoader().getResource(...)
或类似于 Parent root = FXMLLoader.load(getClass().getResource("/sample.fxml"));
但仍然无效 .
1 回答
有类似的问题,如this或其他one .
在JavaFX 11之前,无论何时调用与JavaFX相关的内容,您都可以在SDK中使用所有javafx模块 .
但是现在你必须包含你需要的模块/依赖项 .
您的错误表明您使用的是FXML但无法解决,但您刚刚添加了
javafx.controls
模块:正如您在JavaDoc中看到的那样,
javafx.controls
模块依赖于javafx.graphics
和java.base
,但这些模块都不包含FXML类 .如果你需要像
FXMLLoader
这样的FXML类,你需要包含javafx.fxml
模块:如果您需要媒体或webkit,则会同样适用,这些媒体或webkit都有自己的modules .