Video is not captured in Applet under redhat linux.

Hi!
uname -a
Linux 2.6.9-5.EL #1 Wed Jan 5 19:22:18 EST 2005 i686 i686 i386 GNU/Linux
and whenever i m running my code for start and stop the webcam, i m finding a error/exception as:
javax.media.NotRealizedError: Cannot get visual component on an unrealized player
at com.sun.media.BasicPlayer.getVisualComponent(BasicPlayer.java:491)
at com.sun.media.MediaProcessor.getVisualComponent(MediaProcessor.java:50)
at CamSource.getVComponent(Complete.java:156)
at Complete.actionPerformed(Complete.java:71)
at java.awt.Button.processActionEvent(Button.java:382)
at java.awt.Button.processEvent(Button.java:350)
at java.awt.Component.dispatchEventImpl(Component.java:3615)
at java.awt.Component.dispatchEvent(Component.java:3477)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:480)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
javax.media.NotRealizedError: Cannot get visual component on an unrealized player
at com.sun.media.BasicPlayer.getVisualComponent(BasicPlayer.java:491)
at com.sun.media.MediaProcessor.getVisualComponent(MediaProcessor.java:50)
at CamSource.getVComponent(Complete.java:156)
at Complete.actionPerformed(Complete.java:71)
at java.awt.Button.processActionEvent(Button.java:382)
at java.awt.Button.processEvent(Button.java:350)
at java.awt.Component.dispatchEventImpl(Component.java:3615)
at java.awt.Component.dispatchEvent(Component.java:3477)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:480)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
java.lang.NullPointerException
at java.awt.Container.remove(Container.java:762)
at Complete.stop(Complete.java:53)
at sun.applet.AppletPanel.run(AppletPanel.java:442)
at java.lang.Thread.run(Thread.java:534)
AND THIS CODE IS RUNNING SUCCESSFULLY UNDER WINDOWS ENVIRONMENT IN APPLET.
Wht is the problem ? and how to solve it.

This is what I did:
import java.awt.*;
import java.applet.*;
public class BookmarkApplet extends Applet {
   public void init() {
          //String fileName = this.getParameter("gx26187") + ".ser";
          String fileName = "gx26187" + ".ser";
          Bookmark bookmark = new Bookmark(fileName);
          LinkHolder linkHolder = new LinkHolder();
          for(int i = 0; i < 10; i++) {
               linkHolder.add(new Link("url"+i, "link"+i));
          if(bookmark.save(linkHolder)) {
               linkHolder = bookmark.retrieve();
               Link[] retreivedLinks = linkHolder.getLinks();
               if(retreivedLinks != null && retreivedLinks.length > 0) {
                    Link [] trimmedLinks = new Link[linkHolder.getSize()];
                    System.arraycopy(retreivedLinks, 0, trimmedLinks, 0, trimmedLinks.length);
                    for(int i = 0; i < trimmedLinks.length; i++) {
                         add(new Button(trimmedLinks.getDescription()));
LinkHolder is a wrapper class in which I used Link[] to store objects.
Link is a class that stores 2 strings: links and description.
I tested this on JBuilder ==> worked fine.
I tested on IE ==> applet is running but nothing shown up.
Thanks if any ideas.
Tom
Yeah I do.
If its anything like my problems you will find Treeset
is from JDK 1.2+
IE's virtual machine runs using the == of jdk 1.1
This means with out using plugins you HAVE to use
features of 1.1 Im sure you could use another
datastructure instead.
Hope this helps.
U can extract the Treeset files from rt.jar but im
still unable to determine if thats legal

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    Finally, I want to say that due to some problems I could not post earlier, and I may not post for few more days. But I appreciate your comments and would appreciate more of them.
    Thanks!

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