Javaでプログラミング環境をセットアップしようとしています。
私はUbuntu 18.04LTS / Java SEランタイム環境(ビルド13.0.1 + 9)/ Intellij / JavaFX Scene Builder 11.0.0
を持っています
。このチュートリアルに従っています:https : //www.youtube.com/watch?v= T3NlWMzPyXM 3つのファイルが作成されました:
Main.java:
package sample;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
public class Main extends Application {
@Override
public void start(Stage primaryStage) throws Exception{
Parent root = FXMLLoader.load(getClass().getResource("sample.fxml"));
primaryStage.setTitle("Hello World");
primaryStage.setScene(new Scene(root, 300, 275));
primaryStage.show();
}
public static void main(String[] args) {
launch(args);
}
}
Controller.java:
package sample;
import javafx.event.ActionEvent;
public class Controller {
// I start writing the code here:
public void pressButton(ActionEvent event) {
System.out.println("You have pressed the button");
}
}
sample.fxml:
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<GridPane alignment="center" hgap="10" prefHeight="300.0" prefWidth="300.0" vgap="10" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1" fx:controller="sample.Controller">
<columnConstraints>
<ColumnConstraints />
</columnConstraints>
<rowConstraints>
<RowConstraints />
</rowConstraints>
<children>
<Button fx:id="btn_msg" mnemonicParsing="false" onAction="#pressButton" prefHeight="109.0" prefWidth="121.0" text="Button" />
</children>
</GridPane>
アプリケーションを実行すると、次の出力エラーが表示されます。
/usr/lib/jvm/java-13-oracle/bin/java --add-modules javafx.base,javafx.graphics --add-reads javafx.base=ALL-UNNAMED --add-reads javafx.graphics=ALL-UNNAMED -Djava.library.path=/home/leo/IdeaProjects/javafx-sdk-11.0.2/lib -javaagent:/snap/intellij-idea-community/185/lib/idea_rt.jar=34245:/snap/intellij-idea-community/185/bin -Dfile.encoding=UTF-8 -classpath "/home/leo/IdeaProjects/Java kurs kenis/FX_trial2/out/production/FX_trial2:/home/leo/IdeaProjects/javafx-sdk-11.0.2/lib/src.zip:/home/leo/IdeaProjects/javafx-sdk-11.0.2/lib/javafx-swt.jar:/home/leo/IdeaProjects/javafx-sdk-11.0.2/lib/javafx.web.jar:/home/leo/IdeaProjects/javafx-sdk-11.0.2/lib/javafx.base.jar:/home/leo/IdeaProjects/javafx-sdk-11.0.2/lib/javafx.fxml.jar:/home/leo/IdeaProjects/javafx-sdk-11.0.2/lib/javafx.media.jar:/home/leo/IdeaProjects/javafx-sdk-11.0.2/lib/javafx.swing.jar:/home/leo/IdeaProjects/javafx-sdk-11.0.2/lib/javafx.controls.jar:/home/leo/IdeaProjects/javafx-sdk-11.0.2/lib/javafx.graphics.jar" -p /home/leo/IdeaProjects/javafx-sdk-11.0.2/lib/javafx.base.jar:/home/leo/IdeaProjects/javafx-sdk-11.0.2/lib/javafx.graphics.jar sample.Main
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$2(LauncherImpl.java:195)
at java.base/java.lang.Thread.run(Thread.java:830)
Caused by: java.lang.IllegalAccessError: class com.sun.javafx.fxml.FXMLLoaderHelper (in unnamed module @0xc9d8652) cannot access class com.sun.javafx.util.Utils (in module javafx.graphics) because module javafx.graphics does not export com.sun.javafx.util to unnamed module @0xc9d8652
at com.sun.javafx.fxml.FXMLLoaderHelper.<clinit>(FXMLLoaderHelper.java:38)
at javafx.fxml.FXMLLoader.<clinit>(FXMLLoader.java:2056)
at sample.Main.start(Main.java:13)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$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$10(PlatformImpl.java:428)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:427)
at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
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 sample.Main
Process finished with exit code 1
これに対する解決策は見つかりません。誰か助けてもらえますか?
最後に問題を解決しました。
私は次の行を
挿入します:-- module-path /home/leo/MyApps/javafx-sdk-13.0.1/lib --add-modules = javafx.controls、javafx.fxml
ここ:
実行>構成の編集> VMオプション
および:
ファイル>プロジェクト構造>ライブラリ> +ディレクトリを選択します:
/home/leo/MyApps/javafx-sdk-13.0.1/lib
この記事はインターネットから収集されたものであり、転載の際にはソースを示してください。
侵害の場合は、連絡してください[email protected]
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