trouble with executing applets!!!! pl help

[prashfire2000]

This is a code i wrote to play a video file usin JMF..... the applet gets started but not initialized..... is the code correct or is there any mistake?????? please help me out as soon as u can......need to get this right as soon as i can.........

the input goes through the varialbles url and url2------ location of the file

this is the error i get
java.lang.NoClassDefFoundError: javax/media/ControllerListener
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java :620)
at java.security.SecureClassLoader.defineClass(Secure ClassLoader.java:12
4)
at sun.applet.AppletClassLoader.findClass(AppletClass Loader.java:162)
at java.lang.ClassLoader.loadClass(ClassLoader.java:3 06)
at sun.applet.AppletClassLoader.loadClass(AppletClass Loader.java:118)
at java.lang.ClassLoader.loadClass(ClassLoader.java:2 51)
at sun.applet.AppletClassLoader.loadCode(AppletClassL oader.java:577)
at sun.applet.AppletPanel.createApplet(AppletPanel.ja va:710)
at sun.applet.AppletPanel.runLoader(AppletPanel.java: 639)
at sun.applet.AppletPanel.run(AppletPanel.java:319)
at java.lang.Thread.run(Thread.java:595)

import javax.swing.*;
import javax.media.*;
import java.awt.*;
import javax.media.protocol.*;
import java.net.*;
import java.util.*;
//import com.sun.media.util.JMFSecurity;
/*
<APPLET CODE = VideoApplet.class WIDTH = 442 HEIGHT = 317 >
<PARAM NAME = CODE VALUE = VideoApplet.class >
<PARAM NAME="type" VALUE="application/x-java-applet;version=1.1">
<PARAM NAME = url VALUE ="FishTank.avi">
<PARAM NAME = url2 VALUE ="FishTank2.avi">
</APPLET>
*/
public class VideoApplet extends JApplet implements ControllerListener
{
   // component in which video is playing
    Component visualComponent = null;
    // controls gain, position, start, stop
    Component controlComponent = null;
    // displays progress during download
    Component progressBar = null;
    boolean firstTime = true;
    long CachingSize = 0L;    
        int controlPanelHeight = 0;
    int videoWidth = 0;
    int videoHeight = 0;
    String url;
    MediaLocator locator;
    Player player;
    boolean f=false;
    JPanel panel= new JPanel();
    HashMap urlmap=new HashMap();
    int loopcnt,looptot;
public void init(){
 
looptot=0;
String urls=getParameter("url");
if(urls!=null){
    if(urls.indexOf(",")!=-1){
        StringTokenizer tokens=new StringTokenizer(urls,",");
        while(tokens.hasMoreTokens()){
            String url=tokens.nextToken();
            looptot++;
            System.out.println(" values : "+url+"  : "+looptot);
            urlmap.put(String.valueOf(looptot),url);
        }
    }
    else{
        looptot=1;    
        urlmap.put(String.valueOf(1),urls);
    }
}    
        loopcnt=0;
 
        init2();
    }
public void init2(){
if(looptot<=0)
    return;
loopcnt++;
if(loopcnt>looptot)
    loopcnt=1;
    try {
               url=(String)urlmap.get(String.valueOf(loopcnt));
               URL url2 = new URL(url);
        url = url2.toExternalForm();
        System.out.println(" urlss :: "+url);
            locator = new MediaLocator(url);
            player = Manager.createRealizedPlayer(locator);    
            player.addControllerListener(this);
            panel.add(player.getVisualComponent());
            panel.add(player.getControlPanelComponent());
            getContentPane().add(panel);
            //getContentPane().validate();
            player.start();
        } catch (Exception e) {
            System.out.println("ERROR CREATING MEDIALOCATOR"+e);
            System.exit(-1);
        }
    }
      public void start() {
 System.out.println("Applet.start()11 is called");
        // Call start() to prefetch and start the player.
        if (player != null)
        player.start();
    }
    /**
     * Stop media file playback and release resource before
     * leaving the page.
     */
    public void stop() {
     System.out.println("Applet.stop() is called");
        if (player != null) {
            player.stop();
            player.deallocate();
        }
    }
    public void destroy() {
     System.out.println("Applet.destroy() is called");
    player.close();
    }
      public synchronized void controllerUpdate(ControllerEvent event) {
        System.out.println("Event called");
    // If we're getting messages from a dead player, 
    // just leave
    if (player == null)
        return;
 
if (event instanceof EndOfMediaEvent) {
stop();
destroy();
 
    //getContentPane().removeAll();
    System.out.println("dfdsaf1");
    panel.removeAll();
    //panel.setVisible(false);
    System.out.println("test2");
    init2();
    getContentPane().validate();
    System.out.println("test3");
    //getContentPane().removeAll();
System.out.println("EndOfMediaEvent5  called");
}
 
 
    // When the player is Realized, get the visual 
    // and control components and add them to the Applet
    /*if (event instanceof RealizeCompleteEvent) {
        if (progressBar != null) {
        panel.remove(progressBar);
        progressBar = null;
        }
 
        int width = getWidth();//520;
        int height = 0;
        if (controlComponent == null)
        if (( controlComponent = 
              player.getControlPanelComponent()) != null) {
 
            controlPanelHeight = controlComponent.getPreferredSize().height;
            panel.add(controlComponent);
            height += controlPanelHeight;
        }
        if (visualComponent == null)
        if (( visualComponent =
              player.getVisualComponent())!= null) {
            panel.add(visualComponent);
            Dimension videoSize = visualComponent.getPreferredSize();
            videoWidth = videoSize.width;
            videoHeight = videoSize.height;
            width = videoWidth;
            height += videoHeight;
            visualComponent.setBounds(0, 0, videoWidth, videoHeight);
        }
 
        panel.setBounds(0, 0, width, height);
        if (controlComponent != null) {
        controlComponent.setBounds(0, videoHeight,
                       width, controlPanelHeight);
        controlComponent.invalidate();
        }
        //player.start();
 
     } else if (event instanceof CachingControlEvent) {
        if (player.getState() > Controller.Realizing)
        return;
        // Put a progress bar up when downloading starts, 
        // take it down when downloading ends.
        CachingControlEvent e = (CachingControlEvent) event;
        CachingControl cc = e.getCachingControl();
 
        // Add the bar if not already there ...
        if (progressBar == null) {
            if ((progressBar = cc.getControlComponent()) != null) {
            panel.add(progressBar);
            panel.setSize(progressBar.getPreferredSize());
            validate();
        }
        }
    } else if (event instanceof EndOfMediaEvent) {
 
 
    System.out.println("Applet.EndOfMediaEvent4() called");
        ///////////////////////////
 
 
    } else if (event instanceof ControllerErrorEvent) {
        // Tell TypicalPlayerApplet.start() to call it a day
        System.out.println("Applet errorevent");
        player = null;
        Fatal(((ControllerErrorEvent)event).getMessage());
        } else if (event instanceof ControllerClosedEvent) {
        panel.removeAll();
    }*/
 
 
    }
 
    void Fatal (String s) {
    // Applications will make various choices about what
    // to do here. We print a message
    System.err.println("FATAL ERROR: " + s);
    throw new Error(s); // Invoke the uncaught exception
                // handler System.exit() is another
                // choice.
 
    }
}
 

[BigDaddyLH]

It seems the java plugin doesn't have access to package javax.media. That's not part of the J2SE, right? How do you expect a client machine to access this package?

[prashfire2000]

It seems the java plugin doesn't have access to package javax.media. That's not part of the J2SE, right? How do you expect a client machine to access this package?

i've installed JMF... the code i downloaded from ine internet works...... but not mine..... i wanna make mine work....

[BigDaddyLH]

i've installed JMF... the code i downloaded from ine internet works...... but not mine..... i wanna make mine work....

The problems are arising because you are writing an applet. Why not write your example as a standalone application?