Maybe some more questions will provide a clue.
What webserver are you running, apache?
What browser are you using?
Do you get the same result using a different browser?
What is the URL you enter in the browser?
im not running any webserver.
im not using a browser either.
im running and coding the applet from a program called BlueJ.
as for the server application im just running it from the windows command prompt.
as i said before im just trying to test out connections and stuff...i had a working client applet and server application and for some reason all of a sudden im getting the error i posted above.