Thread: JavaFX Coding problems

Hi,

The code snippet below is a simple program to play an audio song file. The MP3 file is located in the same folder as this code. It compiles without any errors. But when I run the code it gives me two "java.lang.IllegalStateException: Toolkit not initialized" exceptions. Below is full output of excepetion error:

Exception in thread "Thread-0" java.lang.IllegalStateException: Toolkit not initialized
at com.sun.javafx.application.PlatformImpl.runLater(U nknown Source)
at com.sun.javafx.application.PlatformImpl.runLater(U nknown Source)
at javafx.application.Platform.runLater(Unknown Source)
at javafx.scene.media.Media$_MetadataListener.onMetad ata(Unknown Source)
at com.sun.media.jfxmediaimpl.MetadataParserImpl.done (Unknown Source)
at com.sun.media.jfxmediaimpl.platform.java.ID3Metada taParser.parse(Unknown Source)
at com.sun.media.jfxmediaimpl.MetadataParserImpl.run( Unknown Source)
Exception in thread "main" java.lang.IllegalStateException: Toolkit not initialized
at com.sun.javafx.application.PlatformImpl.runLater(U nknown Source)
at com.sun.javafx.application.PlatformImpl.runLater(U nknown Source)
at javafx.application.Platform.runLater(Unknown Source)
at javafx.scene.media.MediaPlayer.init(Unknown Source)
at javafx.scene.media.MediaPlayer.<init>(Unknown Source)

//import necessary packages
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
import java.io.*;
 
public class PlaySong 
{
	public static void main(String args[])
	{
		String song = new File("song.mp3").toURI().toString();
		Media audio =null;
		audio = new Media(song);
		MediaPlayer mediaPlayer = new MediaPlayer(audio);
		mediaPlayer.play();
	}
}

Can anyone identify the problem? Iv'e been looking everywhere for solutions, no luck.

Thanks and much appreciated.

Apparently JavaFX initialization won't automatically get triggered by running MediaPlayer.

Try instantiating JFXPanel in your code:

JFXPanel fxPanel = new JFXPanel();

Wow it was as simple as creating that object, it worked like a charm.

Thanks a lot, much appreciated