OpenAL Problem...

import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.util.List;
import java.util.Random;

import org.lwjgl.BufferUtils;
import org.lwjgl.LWJGLException;
import org.lwjgl.openal.AL;
import org.lwjgl.openal.AL10;
import org.lwjgl.util.WaveData;

public class PlaySound extends Sounds {

    public static final int NUM_BUFFERS = 3;
    public static final int NUM_SOURCES = 3;

    IntBuffer buffer = BufferUtils.createIntBuffer(NUM_BUFFERS);
    IntBuffer source = BufferUtils.createIntBuffer(NUM_BUFFERS);
    FloatBuffer sourcePos = BufferUtils.createFloatBuffer(3 * NUM_BUFFERS);
    FloatBuffer sourceVel = BufferUtils.createFloatBuffer(3 * NUM_BUFFERS);
    FloatBuffer listenerPos = BufferUtils.createFloatBuffer(3).put(new float[] { 0.0f, 0.0f, 0.0f });
    FloatBuffer listenerVel = BufferUtils.createFloatBuffer(3).put(new float[] { 0.0f, 0.0f, 0.0f });

    FloatBuffer listenerOri = BufferUtils.createFloatBuffer(6).put(new float[] { 0.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f });

    public PlaySound() {
        listenerPos.flip();
        listenerVel.flip();
        listenerOri.flip();
    }

    int loadALData(List<String> fileNames, List<Boolean> loops) {
        AL10.alGenBuffers(buffer);

        if (AL10.alGetError() != AL10.AL_NO_ERROR)
            return AL10.AL_FALSE;
        WaveData waveFile;
        for (int i = 0; i < fileNames.size(); i++) {
            waveFile = WaveData.create(fileNames.get(i));
            System.out.println(fileNames.get(i));
            AL10.alBufferData(buffer.get(i), waveFile.format, waveFile.data, waveFile.samplerate);
            waveFile.dispose();
        }

        AL10.alGenSources(source);

        if (AL10.alGetError() != AL10.AL_NO_ERROR)
            return AL10.AL_FALSE;

        for (int i = 0; i < fileNames.size(); i++) {

            AL10.alSourcei(source.get(i), AL10.AL_BUFFER, buffer.get(i));
            AL10.alSourcef(source.get(i), AL10.AL_PITCH, 1.0f);
            AL10.alSourcef(source.get(i), AL10.AL_GAIN, 1.0f);
            AL10.alSource(source.get(i), AL10.AL_POSITION, (FloatBuffer) sourcePos.position(i * 3));
            AL10.alSource(source.get(i), AL10.AL_VELOCITY, (FloatBuffer) sourceVel.position(i * 3));
            if (loops.get(i)) {
                AL10.alSourcei(source.get(i), AL10.AL_LOOPING, AL10.AL_TRUE);
            } else {
                AL10.alSourcei(source.get(i), AL10.AL_LOOPING, AL10.AL_FALSE);
            }

        }
        if (AL10.alGetError() == AL10.AL_NO_ERROR)
            return AL10.AL_TRUE;

        return AL10.AL_FALSE;
    }

    void setListenerValues() {
        AL10.alListener(AL10.AL_POSITION, listenerPos);
        AL10.alListener(AL10.AL_VELOCITY, listenerVel);
        AL10.alListener(AL10.AL_ORIENTATION, listenerOri);
    }

    void killALData() {
        AL10.alDeleteSources(source);
        AL10.alDeleteBuffers(buffer);
    }

    public void execute(List<String> fileNames,List<Boolean> loops) {
        try {
          AL.create();
        } catch (LWJGLException le) {
          le.printStackTrace();
          return;
        }
        AL10.alGetError();

        if(loadALData(fileNames,loops) != AL10.AL_FALSE) {
          System.out.println("Error loading data.");
          return;
        }

        setListenerValues();

        AL10.alSourcePlay(source.get(0));

        int play;
        Random random = new Random();

        System.out.println("Press ENTER to exit");

          for(int i=1; i<NUM_SOURCES; i++) {
            play = AL10.alGetSourcei(source.get(i), AL10.AL_SOURCE_STATE);

            if(play != AL10.AL_PLAYING) {
              double theta = (double) (random.nextInt() % 360) * 3.14 / 180.0;

              sourcePos.put(i*3+0, -(float) (Math.cos(theta)));
              sourcePos.put(i*3+1, -(float) (random.nextInt()%2));
              sourcePos.put(i*3+2, -(float) (Math.sin(theta)));

              AL10.alSource(source.get(i), AL10.AL_POSITION, (FloatBuffer) sourcePos.position(i*3));
              AL10.alSourcePlay(source.get(i));
            }
          }
          try{
            Thread.sleep(100);
            }catch(InterruptedException e){
            System.out.println("Sleep Interrupted");
          }

        killALData();
        AL.destroy();
      }
}