Applet was not running in Browser

Question

I have wriiten one applet (using JMF for playing a song)program and it was run in appletviewer it's work perfectly.After that i was open this prog in browser it doen't work ,it gives following error :
java.lang.NoClassDefFoundError: javax/media/ControllerListener
     at java.lang.ClassLoader.defineClass1(Native Method)
     at java.lang.ClassLoader.defineClass(Unknown Source)
     at java.security.SecureClassLoader.defineClass(Unknown Source)
     at sun.applet.AppletClassLoader.findClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.applet.AppletClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.applet.AppletClassLoader.loadCode(Unknown Source)
     at sun.applet.AppletPanel.createApplet(Unknown Source)
     at sun.plugin.AppletViewer.createApplet(Unknown Source)
     at sun.applet.AppletPanel.runLoader(Unknown Source)
     at sun.applet.AppletPanel.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: javax/media/ControllerListener
     at java.lang.ClassLoader.defineClass1(Native Method)
     at java.lang.ClassLoader.defineClass(Unknown Source)
     at java.security.SecureClassLoader.defineClass(Unknown Source)
     at sun.applet.AppletClassLoader.findClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.applet.AppletClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.applet.AppletClassLoader.loadCode(Unknown Source)
     at sun.applet.AppletPanel.createApplet(Unknown Source)
     at sun.plugin.AppletViewer.createApplet(Unknown Source)
     at sun.applet.AppletPanel.runLoader(Unknown Source)
     at sun.applet.AppletPanel.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)Any one help me,becaz past 4 days i have getting this error ,so i cann't move further any steps on my module ,so any one help me.
Advance Thankx & Regards
K.suresh

Answer 1

Hai Manu
I am using u r code,and change my applet tag like
<APPLET CODE="SimplePlayerApplet.class" WIDTH = "300" HEIGHT = "300" ></XMP>
<PARAM NAME ="FILE" VALUE = "artist - Track 01.mp3" >
</APPLET>Now i am getting error as:
APPLET tag missing CODE parameter.
java.lang.NullPointerException: name
     at sun.applet.AppletClassLoader.getResourceAsStream(Unknown Source)
     at sun.applet.AppletPanel$6.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     at sun.applet.AppletPanel.createApplet(Unknown Source)
     at sun.plugin.AppletViewer.createApplet(Unknown Source)
     at sun.applet.AppletPanel.runLoader(Unknown Source)
     at sun.applet.AppletPanel.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
the applet program below there
import java.applet.Applet;
import java.awt.*;
import java.io.IOException;
import java.io.PrintStream;
import java.net.MalformedURLException;
import java.net.URL;
import javax.media.*;
public class SimplePlayerApplet extends Applet
    implements ControllerListener
    public SimplePlayerApplet()
        player = null;
        visualComponent = null;
        controlComponent = null;
        progressBar = null;
        firstTime = true;
        CachingSize = 0L;
        panel = null;
        controlPanelHeight = 0;
        videoWidth = 0;
        videoHeight = 0;
        System.out.println("Hai");
public void init()
        setLayout(null);
        setBackground(Color.white);
        panel = new Panel();
        panel.setLayout(null);
        add(panel);
        panel.setBounds(0, 0, 320, 240);
        String s = null;
        MediaLocator medialocator = null;
        Object obj = null;
        System.out.println("IT's from Init");
        System.out.println("S value is:" + s);
        if ((s = getParameter("FILE")) == null)
             System.out.println("S value is:NULL");
            Fatal("Invalid media file parameter");
        try
            URL url = new URL(getDocumentBase(), s);
            System.out.println("URL Value is:" + url);
            s = url.toExternalForm();
        catch(MalformedURLException malformedurlexception) { }
        try
            if((medialocator = new MediaLocator("file:" + s)) == null)
                Fatal("Can't build URL for " + s);
                System.out.println("catch in malformed");
            try
                player = Manager.createPlayer(medialocator);
                System.out.println("it is from create player");
            catch(NoPlayerException noplayerexception)
                System.out.println(noplayerexception);
                Fatal("Could not create player for " + medialocator);
            player.addControllerListener(this);
            System.out.println("player add control");
        catch(MalformedURLException malformedurlexception1)
            Fatal("Invalid media file URL!");
        catch(IOException ioexception)
            Fatal("IO exception creating player for " + medialocator);
    public void start()
        if(player != null)
            player.start();
            System.out.println("This from start");
    public void stop()
        if(player != null)
               System.out.println("This from stop");
            player.stop();
            player.deallocate();
    public void destroy()
        player.close();
        System.out.println("This from Destory");
    public synchronized void controllerUpdate(ControllerEvent controllerevent)
          System.out.println("This from cotrollerUpdate");
        if(player == null)
            return;
        if(controllerevent instanceof RealizeCompleteEvent)
            if(progressBar != null)
                panel.remove(progressBar);
                progressBar = null;
            int i = 320;
            int j = 0;
            if(controlComponent == null && (controlComponent = player.getControlPanelComponent()) != null)
                controlPanelHeight = controlComponent.getPreferredSize().height;
                panel.add(controlComponent);
                j += controlPanelHeight;
            if(visualComponent == null && (visualComponent = player.getVisualComponent()) != null)
                panel.add(visualComponent);
                Dimension dimension = visualComponent.getPreferredSize();
                videoWidth = dimension.width;
                videoHeight = dimension.height;
                i = videoWidth;
                j += videoHeight;
                visualComponent.setBounds(0, 0, videoWidth, videoHeight);
            panel.setBounds(0, 0, i, j);
            if(controlComponent != null)
                controlComponent.setBounds(0, videoHeight, i, controlPanelHeight);
                controlComponent.invalidate();
        } else
        if(controllerevent instanceof CachingControlEvent)
            if(player.getState() > 200)
                return;
            CachingControlEvent cachingcontrolevent = (CachingControlEvent)controllerevent;
            CachingControl cachingcontrol = cachingcontrolevent.getCachingControl();
            if(progressBar == null && (progressBar = cachingcontrol.getControlComponent()) != null)
                panel.add(progressBar);
                panel.setSize(progressBar.getPreferredSize());
                validate();
        } else
        if(controllerevent instanceof EndOfMediaEvent)
            player.setMediaTime(new Time(0L));
            player.start();
        } else
        if(controllerevent instanceof ControllerErrorEvent)
            player = null;
            Fatal(((ControllerErrorEvent)controllerevent).getMessage());
        } else
        if(controllerevent instanceof ControllerClosedEvent)
            panel.removeAll();
    void Fatal(String s)
        System.err.println("FATAL ERROR: " + s);
        throw new Error(s);
    Player player;
    Component visualComponent;
    Component controlComponent;
    Component progressBar;
    boolean firstTime;
    long CachingSize;
    Panel panel;
    int controlPanelHeight;
    int videoWidth;
    int videoHeight;
}