代码如下：

public class HelloWorld extends Application {
    @Override
    public void start(Stage primaryStage) {
//        String audioFilePath = "AudioFileWithWavFormat.wav";
        String audioFilePath = "AudioFileWithMp3Format.mp3";

        String url = getClass().getClassLoader().getResource(audioFilePath).toExternalForm();
        Media media = new Media(url);
        MediaPlayer mp3Player = new MediaPlayer(media);
        mp3Player.setOnPlaying(() -> System.out.println("Playback started"));
        mp3Player.play();

        StackPane root = new StackPane();
        Scene scene = new Scene(root, 300, 250);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}

字符串
.适用于.wav，但.mp3会导致此错误：

MediaException: UNKNOWN : com.sun.media.jfxmedia.MediaException: Could not create player! : com.sun.media.jfxmedia.MediaException: Could not create player!
    at javafx.media@21/javafx.scene.media.MediaException.exceptionToMediaException(MediaException.java:147)
    at javafx.media@21/javafx.scene.media.MediaPlayer.init(MediaPlayer.java:518)
    at javafx.media@21/javafx.scene.media.MediaPlayer.<init>(MediaPlayer.java:421)
    at ca.footeware.javafx.squeaker/ca.footeware.javafx.squeaker.HelloWorld.start(HelloWorld.java:25)
    at javafx.graphics@21/com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$9(LauncherImpl.java:839)
    at javafx.graphics@21/com.sun.javafx.application.PlatformImpl.lambda$runAndWait$12(PlatformImpl.java:483)
    at javafx.graphics@21/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:456)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
    at javafx.graphics@21/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:455)
    at javafx.graphics@21/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
    at javafx.graphics@21/com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
    at javafx.graphics@21/com.sun.glass.ui.gtk.GtkApplication.lambda$runLoop$10(GtkApplication.java:263)
    at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: com.sun.media.jfxmedia.MediaException: Could not create player!
    at javafx.media@21/com.sun.media.jfxmediaimpl.NativeMediaManager.getPlayer(NativeMediaManager.java:298)
    at javafx.media@21/com.sun.media.jfxmedia.MediaManager.getPlayer(MediaManager.java:118)
    at javafx.media@21/javafx.scene.media.MediaPlayer.init(MediaPlayer.java:474)

❯ neofetch
            .-/+oossssoo+/-.               craig@notebook 
        `:+ssssssssssssssssss+:`           -------------- 
      -+ssssssssssssssssssyyssss+-         OS: Ubuntu 23.10 x86_64 
    .ossssssssssssssssssdMMMNysssso.       Host: XPS 13 9310 
   /ssssssssssshdmmNNmmyNMMMMhssssss/      Kernel: 6.5.0-14-generic 
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ossyNMMMNyMMhsssssssssssssshmmmhssssssso   DE: GNOME 45.1 
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   /ssssssssssshdmNNNNmyNMMMMhssssss/      CPU: 11th Gen Intel i7-1195G7 (8) @ 5.000GHz 
    .ossssssssssssssssssdMMMNysssso.       GPU: Intel TigerLake-LP GT2 [Iris Xe Graphics] 
      -+sssssssssssssssssyyyssss+-         Memory: 6506MiB / 15692MiB 
        `:+ssssssssssssssssss+:`
            .-/+oossssoo+/-.

型
谷歌告诉我，这在过去发生过几次，没有找到mp3编解码器。我已经安装了ubuntu-restricted-extras，libavcodec 60，libavformat 60和ffmpeg。我可以在Rhythmbox和Audacious中播放mp3。
有什么想法吗？
编辑：更多环境细节：

❯ java -version
openjdk version "21.0.1" 2023-10-17
OpenJDK Runtime Environment (build 21.0.1+12-Ubuntu-223.10)
OpenJDK 64-Bit Server VM (build 21.0.1+12-Ubuntu-223.10, mixed mode, sharing)

型
从https://gluonhq.com/products/javafx/下载了v21.0.1 javafx sdk和模块，并将其提取到主文件夹中，然后在NetBeans中引用。使用生成模块的pom构建，然后将JLink连接到运行时。虽然我编写代码时主要在NetBeans中运行。