java media problem acute please

avax.media.NoPlayerException: Cannot find a Player for :file://E:/javaPraticsCode/JListPictureandMedia/d.rm
at javax.media.Manager.createPlayerForContent(Manager.java:1412)
at javax.media.Manager.createPlayer(Manager.java:417)
at javax.media.Manager.createPlayer(Manager.java:332)
at media.JMFSample.play(JMFSample.java:60)
at media.JMFSample.main(JMFSample.java:28)
Exception in thread "main" java.lang.NullPointerException
at media.JMFSample.play(JMFSample.java:68)
at media.JMFSample.main(JMFSample.java:28)


sourec code
please help me see

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;

import javax.media.ControllerEvent;
import javax.media.ControllerListener;
import javax.media.EndOfMediaEvent;
import javax.media.Manager;
import javax.media.MediaLocator;
import javax.media.NoPlayerException;
import javax.media.Player;
import javax.media.PrefetchCompleteEvent;
import javax.media.RealizeCompleteEvent;
import javax.media.Time;

public class JMFSample i