jboss 4.0.1sp1+jdk5.0

EJB was deploy on the other JVM.
client:
* JBoss, the OpenSource J2EE webOS
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package org.jboss.tutorial.stateless.client;

import org.jboss.tutorial.stateless.bean.Calculator;
import org.jboss.tutorial.stateless.bean.CalculatorRemote;

import javax.naming.InitialContext;

public class Client
{
public static void main(String[] args) throws Exception
{
InitialContext ctx = new InitialContext();
Calculator calculator = (Calculator) ctx.lookup(CalculatorRemote.class.getName());

System.out.println("1 + 1 = " + calculator.add(1, 1));
System.out.println("1 - 1 = " + calculator.subtract(1, 1));
}
}
jndi.properties:
java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces
java.naming.provider.url=localhost:1099


Exception in thread "main" javax.naming.CommunicationException [Root exception is java.io.InvalidClassException: org.jboss.ejb3.remoting.BaseRemoteProxy; local class incompatible: stream classdesc serialVersionUID = -1019635950408433617, local class serialVersionUID = -2289426881135628080]
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:663)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:520)
at javax.naming.InitialContext.lookup(InitialContext.java:351)
at org.jboss.tutorial.stateless.client.Client.main(Client.java:19)
Caused by: java.io.InvalidClassException: org.jboss.ejb3.remoting.BaseRemoteProxy; local class incompatible: stream classdesc serialVersionUID = -1019635950408433617, local class serialVersionUID = -2289426881135628080
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:519)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1546)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1460)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1546)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1460)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1693)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1299)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1912)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1836)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1713)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1299)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:339)
at java.rmi.MarshalledObject.get(MarshalledObject.java:135)
at org.jnp.interfaces.MarshalledValuePair.get(MarshalledValuePair.java:51)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:566)
... 3 more