Marshall exception when calling a remote business method in EJB

Question

Hi,
From a java client, i am calling a business method from a ejb. the home and remote interface object is sucessfully received at the client. but at the time of calling the remote business method the following error occurs.
java.rmi.RemoteException: ; nested exception is:
weblogic.rmi.ServerException: A remote exception occurred while executing the method on the
remote object
- with nested exception:
[weblogic.rmi.MarshalException: error marshalling return
- with nested exception:
[java.io.NotSerializableException: java.util.Vector$1]]
java.io.NotSerializableException: java.util.Vector$1
the business method returns an enumeration object.
How to solve this?
-chidam

Answer 1

hi chidambaresh,
you could have sent this to me directly.
the Enumeration si an interface and so the object we get during the runtime is basically an object of some implementation of this interface.
the Enumeration you get from HAshtable is actually Serializable.
but the Enumeration you actually get from Vector (this is actaully an inner class of Vector viz., Vector$1) is not serializable. that is what the error you are getting.
regards
Srinivasan.R
(VAMSOFT)