java.rmi.UnmarshalException: error unmarshalling arguments

[M Al]

I tried to run the RMI which I found in oracle tutorial. WHen I am trying to run the FileServer, it gives me this error. I also tied other sample code but I still have the same problem. I used this commands:

javac *.java
rmic FileImpl
start rmiregistry
java -Djava.security.policy=policy.txt FileServer

The last one give me almost one page error. I attached the code I received.

[Pravin Venkatesh]

you could check the connectivity between the two nodes.

[Abhinav Srivastava]

I see a ClassNotFoundError. Check if generated Stubs are in the classpath.