try to execute rmi  commands from jdk..
and run the main file from jbuilder

I know how to do so, but i don't remember the exact
path of such an option. I'll check later and mail u
again. So wait for my next email.

One more thing you and I are doing almost the same
final project. I am also making a messaging software
in my native language.

Then how much i have to wait as it is a part of a project  i have to make
something like rich multimedia type thing in whcih both vedio conferencing,
whiteboard and chatting is involved. and what is ur?