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From "yilmaz" <>
Subject executing a windows application through an applet
Date Fri, 10 May 2002 06:52:55 GMT
Hi all,
i am having a strange result, could you please help me explain what is going
My environment is as follows :
tomcat 4.0.1
windows 2000
I am trying to write a jsp file that includes an applet. This applet , using
Runtime.getRuntime.exec() method,
will start the MSN Messenger. My applet code is as follows :

import java.applet.Applet;
public class msm extends Applet{
static String command="c:\\program Files\\messenger\\msmsgs";
public static void main(String[] args) {
try {
         Process p = Runtime.getRuntime().exec(command);
          } catch (Exception e) {
         System.out.println( "Caught: " +e.toString() );
           System.err.println("Error bringing up MSN Messenger, command='" +
                                       command + "'");
} // end of try-catch

} // end of main method
} // end of class

The jsp file calling this applet is :
<%@ page  language="java" %>
<body bgcolor=pink>
<applet code=msm width=350 height=300>
<p> <font size=5 color=blue> After you sign in with your MSN Messenger
username and password<br>
First  you should add to your contact list<br>
and then wait for our response. As soon as you are accepted to our contact
you should be able to see us and contact us directly via your web camera and
Hope you enjoy your membership. :)</p>
Now the strange thing is that, when i point my browser to this JSP file, it
starts the applet. But the MSN Messenger
doesn't start. What do you suggest? Isn't it the MSN messenger expected to
start. (NOTE !!: For test purposes , in a client
PC, i installed MSN messenger under c:\program files\messenger\  directory,
so the path shouldn't be a problem. Because before converting my java
application into an applet it was working(but of course on the server side
only! :)
The only log entries about this situation is : - - [10/May/2002:14:41:40 8000] "GET /bty/msm.jsp HTTP/1.1" 200
506 - - [10/May/2002:14:41:45 8000] "GET /bty/msmBeanInfo.class
HTTP/1.1" 404 223 - - [10/May/2002:14:41:45 8000] "GET
/bty/msm$COMClassObject.class HTTP/1.1" 404 237

What can be a possible solution?
Thanks for taking time to help me :)

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