error in accessing ejb from a remote client.

[ayusman]

Hi All,
while deploying my ejb at a remote machine I am getting the below mentioned error.
Any suggestions?


C:\>java MyRemoteClient
Some Exception Occured
javax.naming.CommunicationException [Root exception is java.rmi.UnmarshalException: error unmarshalling return; nested exception is:
java.io.InvalidClassException: org.jnp.interfaces.MarshalledValuePair; local class incompatible: stream classdesc serialVersion
UID = -6485622724173581497, local class serialVersionUID = -3403843515711139134]
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:707)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:572)
at javax.naming.InitialContext.lookup(Unknown Source)
at MyRemoteClient.main(MyRemoteClient.java:23)
Caused by: java.rmi.UnmarshalException: error unmarshalling return; nested exception is:
java.io.InvalidClassException: org.jnp.interfaces.MarshalledValuePair; local class incompatible: stream classdesc serialVersion
UID = -6485622724173581497, local class serialVersionUID = -3403843515711139134
at sun.rmi.server.UnicastRef.invoke(Unknown Source)
at org.jnp.server.NamingServer_Stub.lookup(Unknown Source)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:610)
... 3 more
Caused by: java.io.InvalidClassException: org.jnp.interfaces.MarshalledValuePair; local class incompatible: stream classdesc serialVers
ionUID = -6485622724173581497, local class serialVersionUID = -3403843515711139134
at java.io.ObjectStreamClass.initNonProxy(Unknown Source)
at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
at java.io.ObjectInputStream.readClassDesc(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at sun.rmi.server.UnicastRef.unmarshalValue(Unknown Source)
... 6 more

[starksm64]

There are inconsistent versions of the jar files on the server and client. Use the same version on both.