About java programing on RMI

Hi
I am having some problem with RMI programming. The problem is the compilation of Client ,Server ,Interface and Implementation class is going smoothely but when i run The Implementation Class with rmic then only Stub class is forming and Skeleton class has been not showing.What is the Cause?
how can i rectify it Kindly give me ur suggestions with this kind of Troubleshooting.
Example
C:\>Javac * java
All the programes are compiled well
But when i run with
C:\>rmic Implemntation.class
only Stub class is forming while Skeleton Class hasn't formed