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Article View: borland.public.jbuilder.java.language
Article #15649

Security violation from applet

#15649
From: Nathan Katzenstein
Date: Wed, 19 May 1999 00:00
64 lines
2195 bytes
First Java Applet for me!! Trying to read a remote HTML page.

When i run the following applet in an HTML file, i get the following
error:  

Applet Monitor security violation: security.class from local disk trying
to access url: http://ibm.com

What am I missing?????

Nathan


import java.awt.*;
import java.net.*;
import java.io.*;
import java.applet.Applet;

public class Monitor extends Applet
{
    public void start()
    {
        try
        {
            // Check to see that a command parameter was entered
            //if (args.length != 1)
            {
                 // Print message, pause, then exit
                 //System.err.println ("Invalid command parameters");
                 //System.in.read();
                 //System.exit(0);
            }

            // Create an URL instance
            URL url = new URL("http:////www.ibm.com");

            // Get an input stream for reading
            InputStream in = url.openStream();

            // Create a buffered input stream for efficency
            BufferedInputStream bufIn = new BufferedInputStream(in);

            // Repeat until end of file
            for (;;)
            {
                int data = bufIn.read();

                // Check for EOF
                if (data == -1)
                    break;
                else
                    System.out.print ( (char) data);
            }
        }
        catch (MalformedURLException mue)
        {
            System.err.println ("Invalid URL");
        }
        catch (IOException ioe)
        {
            System.err.println ("I/O Error - " + ioe);
        }
    }
}
Technical Details
Message-ID: <3742F83E.413E754B@prenhall.com>
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From: Nathan Katzenstein <nathank@prenhall.com>
Subject: Security violation from applet
Date: 1999/05/19
Message-ID: <3742F83E.413E754B@prenhall.com>
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