Help: " no pulse-java" problem - Head First Java

[kmckinley820]

I'm reading "Head First Java" right now and I'm having trouble getting some code to work that is straight from the book. Below is the code. This program is a simple midi player. It compiles fine, but at run time it messes up.

import javax.sound.midi.*;


public class MiniMiniMusicApp {
	
	public static void main(String[] args) {
		MiniMiniMusicApp mini = new MiniMiniMusicApp();
		mini.play();
	}
	
	public void play() {
		
		try {
			Sequencer player = MidiSystem.getSequencer();
			player.open();
			
			Sequence seq = new Sequence(Sequence.PPQ, 4);
			
			Track track = seq.createTrack();
			
			ShortMessage a = new ShortMessage();
			a.setMessage(144, 1, 44, 100);
			MidiEvent noteOn = new MidiEvent(a, 1);
			track.add(noteOn);
			
			ShortMessage b = new ShortMessage();
			b.setMessage(128, 1, 44, 100);
			MidiEvent noteOff = new MidiEvent(b, 16);
			track.add(noteOff);
			
			player.setSequence(seq);
			
			player.start();
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}
}

Below is what is happening when I run the code. Does anyone know what I'm doing wrong or missing?


Exception in thread "main" java.lang.UnsatisfiedLinkError: no pulse-java in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java :1681)
at java.lang.Runtime.loadLibrary0(Runtime.java:840)
at java.lang.System.loadLibrary(System.java:1047)
at org.classpath.icedtea.pulseaudio.SecurityWrapper.l oadNativeLibrary(SecurityWrapper.java:27)
at org.classpath.icedtea.pulseaudio.EventLoop.<clinit >(EventLoop.java:105)
at org.classpath.icedtea.pulseaudio.PulseAudioMixer.o penImpl(PulseAudioMixer.java:654)
at org.classpath.icedtea.pulseaudio.PulseAudioMixer.o penLocal(PulseAudioMixer.java:588)
at org.classpath.icedtea.pulseaudio.PulseAudioMixer.o penLocal(PulseAudioMixer.java:584)
at org.classpath.icedtea.pulseaudio.PulseAudioMixer.o pen(PulseAudioMixer.java:579)
at org.classpath.icedtea.pulseaudio.PulseAudioDataLin e.open(PulseAudioDataLine.java:95)
at org.classpath.icedtea.pulseaudio.PulseAudioSourceD ataLine.open(PulseAudioSourceDataLine.java:75)
at com.sun.media.sound.SoftSynthesizer.open(SoftSynth esizer.java:1077)
at com.sun.media.sound.SoftSynthesizer.open(SoftSynth esizer.java:1036)
at com.sun.media.sound.SoftSynthesizer.getReceiverRef erenceCounting(SoftSynthesizer.java:1337)
at javax.sound.midi.MidiSystem.getSequencer(MidiSyste m.java:431)
at javax.sound.midi.MidiSystem.getSequencer(MidiSyste m.java:365)
at MiniMiniMusicApp.play(MiniMiniMusicApp.java:14)
at MiniMiniMusicApp.main(MiniMiniMusicApp.java:8)

[kmckinley820]

I forgot to mention that my OS is ubuntu 10.10

[gcalvin]

[Bug 457144] [NEW] Add pulseaudio support to sun-java6-jdk

-Gary-