title: NoPlayerException runtime error with jmf app
body: <p>hello im trying to create a simple video player with jmf. i think my code its ok but when i execute it i get a NoPlayerException. Here is the code of the player:</p>
  
  <pre><code>package reproductor;
  import java.awt.BorderLayout;
  import java.awt.Component;
  import java.io.IOException;
  import java.net.URL;
  import javax.media.CannotRealizeException;
  import javax.media.Manager;
  import javax.media.NoPlayerException;
  import javax.media.Player;
  import javax.swing.JPanel;
  
  /**
   *
   * @author pollyox16
   */
  public class repropanel extends JPanel{
  
      public repropanel(URL url){
  
      setLayout(new BorderLayout());
  
  
      Manager.setHint(Manager.LIGHTWEIGHT_RENDERER, true);
  
      try{
      createRealizedPlayer().
  
  
      Component video= reproductor.getVisualComponent();
      Component controles=reproductor.getControlPanelComponent();
  
  
      if(video!=null){
  
      add(video,BorderLayout.CENTER);
      }
  
  
      if (controles!=null){add(controles,BorderLayout.SOUTH);}
  
       reproductor.start();//con esto arrancamos el reproductor.
      } //end try
  
  
      catch(NoPlayerException e3){
      System.out.println("player not created");
  
      }
      catch (CannotRealizeException e){
      System.out.println("player not realized");
  
      }
  
       catch (IOException e2){
      System.out.println("io exception catch");
  
      }
  
  
      }
  
  
  
  
  }
  </code></pre>
  
  <p>here is the code of the main application it only creates a JFileChooser and add the url to the player: here is the code of the main application:</p>
  
  <pre><code>package reproductor;
  import java.net.URL;
  import javax.swing.JFileChooser;
  import javax.swing.JFrame;
  /**
   *
   * @author pollyox16
   */
  public class Reproductor{
  
  
      public static void main(String[] args) {
  
  
          JFileChooser selectarchivo= new JFileChooser();
          int resultado= selectarchivo.showOpenDialog(null);
  
  
  
          if(resultado== JFileChooser.APPROVE_OPTION){
  
  
          URL miurl=null;
          try{
  
  
  
          miurl=selectarchivo.getSelectedFile().toURI().toURL();
  
          }//FINAL TRY
  
          catch(Exception e){
              System.out.println("error en el main");       
          }
  
  
          if(miurl!=null){
          JFrame ventana= new JFrame("pollyox16");
          ventana.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
          ventana.setSize(300,300);
          repropanel mireproductor= new repropanel(miurl);
          ventana.add(mireproductor);
          ventana.setVisible(true);
          }
          }
      }
  }
  </code></pre>
  
  <p>EDIT: here is the exception stacktrace:</p>
  
  <pre><code>javax.media.NoPlayerException: Cannot find a Player for :file:/C:/Users/Public/Videos/Sample%20Videos/Wildlife.wmv
      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 javax.media.Manager.createRealizedPlayer(Manager.java:527)
      at reproductor.repropanel.&lt;init&gt;(repropanel.java:34)
      at reproductor.Reproductor.main(Reproductor.java:52)
  </code></pre>