我试图在Ubuntu-20.04上使用JDK-13.0.2在JavaFX-11.0.2上播放mp3文件,但每次都出现相同的错误。当我在搜索时,我发现JavaFX使用了一些库的旧版本(See this issue on github)。所以我从源代码编译并安装了ffmpeg-3.1.11。但仍会引发相同的异常。我把我的代码和错误信息放在下面。我花了几天的时间,所以我真的很感激任何帮助。谢谢
注意:这不是重复问题。关于此错误的所有其他问题发生在不同的版本上,并且有不同的原因。我试了很多,但没有一个对我有用。
/usr/lib/jvm/jdk-13.0.2/bin/java --module-path /opt/javafx-sdk-11.0.2/lib --add-modules=javafx.controls,javafx.fxml,javafx.media -Djava.library.path=/opt/javafx-sdk-11.0.2/lib -javaagent:/opt/idea-IU-201.7846.76/lib/idea_rt.jar=46237:/opt/idea-IU-201.7846.76/bin -Dfile.encoding=UTF-8 -classpath /home/parsa/Documents/welanner/target/classes:/opt/javafx-sdk-11.0.2/lib/src.zip:/opt/javafx-sdk-11.0.2/lib/javafx-swt.jar:/opt/javafx-sdk-11.0.2/lib/javafx.web.jar:/opt/javafx-sdk-11.0.2/lib/javafx.base.jar:/opt/javafx-sdk-11.0.2/lib/javafx.fxml.jar:/opt/javafx-sdk-11.0.2/lib/javafx.media.jar:/opt/javafx-sdk-11.0.2/lib/javafx.swing.jar:/opt/javafx-sdk-11.0.2/lib/javafx.controls.jar:/opt/javafx-sdk-11.0.2/lib/javafx.graphics.jar:/home/parsa/.m2/repository/com/google/code/gson/gson/2.8.6/gson-2.8.6.jar view.GUI
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$2(LauncherImpl.java:195)
at java.base/java.lang.Thread.run(Thread.java:830)
Caused by: MediaException: UNKNOWN : com.sun.media.jfxmedia.MediaException: Could not create player! : com.sun.media.jfxmedia.MediaException: Could not create player!
at javafx.media/javafx.scene.media.MediaException.exceptionToMediaException(MediaException.java:146)
at javafx.media/javafx.scene.media.MediaPlayer.init(MediaPlayer.java:518)
at javafx.media/javafx.scene.media.MediaPlayer.<init>(MediaPlayer.java:421)
at view.GUI.start(GUI.java:13)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$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
Caused by: com.sun.media.jfxmedia.MediaException: Could not create player!
at javafx.media/com.sun.media.jfxmediaimpl.NativeMediaManager.getPlayer(NativeMediaManager.java:295)
at javafx.media/com.sun.media.jfxmedia.MediaManager.getPlayer(MediaManager.java:118)
at javafx.media/javafx.scene.media.MediaPlayer.init(MediaPlayer.java:474)
... 11 more
Exception running application view.GUI
Process finished with exit code 1
这是我的代码。我知道路径和其他东西是正确的,因为我可以在Windows上正常运行它。
package view;
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
import javafx.stage.Stage;
import java.io.File;
public class GUI extends javafx.application.Application{
public void start(Stage stage) throws Exception {
String path = "/home/parsa/Music/Ninoush.mp3";
Media media = new Media(new File(path).toURI().toString());
MediaPlayer mediaPlayer = new MediaPlayer(media);
mediaPlayer.setAutoPlay(true);
stage.setTitle("Playing audio");
stage.show();
}
public static void main(String[] args) {
launch(args);
}
}
这是我的ffmpeg和libraries版本:
ffmpeg version 3.1.11 Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
configuration:
libavutil 55. 28.100 / 55. 28.100
libavcodec 57. 48.101 / 57. 48.101
libavformat 57. 41.100 / 57. 41.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 47.100 / 6. 47.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
编辑3:我可以用这种方式播放wav文件,但我不能播放mp3。
3条答案
按热度按时间kcrjzv8t1#
另一个解决方案是更新javafx,javafx 16可以在ubuntu 20上成功播放mp3文件。你可以从这里下载:javafx download link
xzlaal3s2#
我有这个问题很长一段时间。事实上,它在任何Linux发行版上都不适用。尝试在Windows或Mac上运行它。但是你可以寻找一个解决方案(我找了一个星期也没有找到)。
w8biq8rn3#
我在使用JDK 17时也遇到了同样的问题,许多其他线程建议安装libav-tools,但它似乎已被弃用,并且在Ubuntu的最新版本中不再可用。
因此,您可以安装ffmpeg。安装这个之后,它对我来说工作得很好。
sudo apt install ffmpeg