javaMediaFramework - error

package jmf_learning;
import javax.media.*;
import java.applet.*;


public class VideoplayerApplet extends Applet implements ControllerListener
{
  Player p = null;
  public void Init()
  {
    try
    {
      p=Manager.createPlayer();
      p.addControllerListener(this);
    }
    catch (Exception e)
    {  }
  }
  public void start()
  {
    if (p!=null) p.start();
  }
  public void stop()
  {
    if (p!=null)
    {
      p.stop();
      p.deallocate();
    }
  }
  public synchronized void controllerUpdate (ControllerEvent e)
  {
    if (e instanceof RealizeCompleteEvent)
    {
      add(p.getVisualComponent());
      validate();
    }
    else if (e instanceof EndOfMediaEvent)
    {
      p.stop();
    }
  }
}