Re: Play audio clip in an Application

Knute Johnson <>
Tue, 16 Jan 2007 14:36:50 -0800
chump wrote:

It's throwing a null pointer exception before it gets a chance to

    at sun.applet.AppletAudioClip.<init>(
    at java.applet.Applet.newAudioClip(
    at com.gizmo.util.SoundPlayer.playSiren(Unknown Source)
    at com.gizmo.util.SoundPlayer.main(Unknown Source)

Knute Johnson wrote: wrote:

Does anyone know why this wont play? The wav file is located in the jar
file found on the classpath. What am I missing?

import java.applet.Applet;
import java.applet.AudioClip;

public class SoundPlayer
    public void playSiren()
        URL url = this.getClass().getResource("threeHorn.wav");
        AudioClip clip = Applet.newAudioClip(url);;

    public static void main(String[] args)
        new SoundPlayer().playSiren();

Looks like the program is ending before the AudioClip can play. Try
putting a sleep after playSiren();


Knute Johnson
email s/nospam/knute/

Do you have the .wav file in the jar? I get that error if it isn't in
the jar.


Knute Johnson
email s/nospam/knute/

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