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java.rmi.ServerException: java .rmi.UnmarshallException

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After compiling all the java files and generating the stub and skeleton for the remote class when I execute Register.java class that registers and starts the server I get teh error:
java.rmi.ServerException: remote Exception occurred in server thread; nested Exception is :
java .rmi.UnmarshallException :error unmarshallingarguments ; nested exception is:
java.lang.ClassNotFoundException: MyServer_Stub

MyServer_Stub and MyServer_Skel.class files are there.....I am trying to pass the object of a class A that implements Serializable interface, I have tried passing the primitive data types which was successful but this is not working..... Codes are given below if anyone wants to have a look.


MyServer.java //Class MyServer implements the Remote interface

RegisterServer.java //java file which registers the remote server to directory service

MyClient.java //client class that sends the remote method invocation

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How are you starting the rmi registry?
The registry should have your stub class in it's classpath or the server should enable dynamic class downloading.

By the way, if you are on JDK 5 or above you do not need stubs (skeletons are not used since 1.3 i guess). RMI uses dynamic proxies to generate stubs for the remote objects.
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