(keitai-l) Re: Accesng web server

Dibyendu,
The HttpConnection will only work if the address is exactly the same as that
from which the jam file was downloaded.  Even if you can get the jam file in
a number of ways (ie, through an ip number, a domain, a localhost, etc) you
better be very sure that you use exactly the same way as you use in your
code. There is an easy way to fix that:

Change this:  HttpConnection hc =
(HttpConnection)Connector.open("http://localhost:80/abc.txt");

to this: HttpConnection hc =
(HttpConnection)Connector.open(getSourceURL()+"/abc.txt");

Then you just have to make sure that anything you are using HttpConnection
to get is on the same server as the jam and jar files are.

I have never seen the package URL mismatch error, so I can't say with any
authority, but it could also come from not having a proper pointer to the
jar file. The DoJa KToolbar does this automatically, adding to the jam file
something like this:

PackageURL = network.jar

Also, though that error message doesn't seem to indicate it, make sure you
have this line in your jam file:

UseNetwork = http

Finally, if you are using KToolbar, be sure to add a value for AppClass:

AppClass = network.Network

Sorry if I missed something, and hope this helped.

Nik Frengle
IntaDev, Inc.
www.intadev.com

-----Original Message-----
From: keitai-l-bounce@appelsiini.net
[mailto:keitai-l-bounce@appelsiini.net]On Behalf Of Dibyendu
Sent: Monday, November 26, 2001 8:28 PM
To: keitai-l@appelsiini.net
Subject: (keitai-l) Accesng web server
Importance: High


dear sir , I wrote a simple iApplication to read a text file from apache web
server runing in local machine .

But it is giving the exception ....
java.lang.SecurityException: package URL mismatch

the code is like this ...

Any one please tell me what is going wrong here . Do i need to configure
anything for that ?


 import com.nttdocomo.ui.*;
 import com.nttdocomo.io.*;
 import javax.microedition.io.*;
 import java.io.*;
 import com.nttdocomo.net.*;
 public class Network extends IApplication
  {
   String extractedText;
   public Network () {
     }
  public void start() {
    try{

       HttpConnection hc =
(HttpConnection)Connector.open("http://localhost:80/abc.txt");

       hc.setRequestMethod(HttpConnection.GET);
       hc.connect();
       InputStream is = hc.openInputStream();

       byte[] text=new byte[(int)hc.getLength()];
       is.read(text);
       String s = new String(text);
       extractedText = "hello";
       is.close();
       hc.close();
        }
         catch(Exception e){
          extractedText = e.toString();
          System.out.println(e.toString());
          e.printStackTrace();

          }
           Panel p = new Panel();
           TextBox tb = new TextBox(extractedText, 18,
4,TextBox.DISPLAY_ANY);
           p.add(tb);
           Display.setCurrent(p);
         }
     }

regards ,
Dibyendu .


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