It seems to be bound anyways to "ClassName/remote" even though this is not
explicitly listed. I assume this because if I specify this, I get an error that
differs from the error I get when misspell something in this string.
However, none-the-less I cannot really figure out what's going on, since I get
the following error:
| javax.naming.CommunicationException [Root exception is
java.io.InvalidClassException: org.jboss.ejb3.stateless.StatelessRemoteProxy;
local class incompatible: stream classdesc serialVersionUID =
2583299153931800023, local class serialVersionUID = -9097306519795868]
| at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:723)
| at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:588)
| at javax.naming.InitialContext.lookup(InitialContext.java:351)
| at de.myties.sample.chat.ChatTester.main(ChatTester.java:18)
| Caused by: java.io.InvalidClassException:
org.jboss.ejb3.stateless.StatelessRemoteProxy; local class incompatible: stream
classdesc serialVersionUID = 2583299153931800023, local class serialVersionUID
= -9097306519795868
| 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.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:72)
| at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:653)
| ... 3 more
|
My interface:
| import java.rmi.Remote;
|
| @javax.ejb.Remote
| public interface ChatServer extends Remote {
| public void sendMessage(Message msg);
| public void addClient(ChatClient client);
| public void notifyClients();
| }
|
My class:
|
| import java.rmi.RemoteException;
| import java.rmi.server.UnicastRemoteObject;
|
| import javax.ejb.Stateless;
| import javax.persistence.EntityManager;
|
| import org.jboss.seam.annotations.In;
| import org.jboss.seam.annotations.Name;
| @Stateless
| @Name("chatServer")
| public class ChatServerImpl extends UnicastRemoteObject implements
ChatServer {
|
| @In(create=true)
| EntityManager entityManager;
|
| public ChatServerImpl() throws RemoteException {
| System.out.println("Started Chat Server!");
| }
|
| public void addClient(ChatClient client) {
|
|
| }
|
| public void notifyClients() {
| System.out.println("Notifying clients");
|
| }
|
| public void sendMessage(Message msg) {
| // TODO Auto-generated method stub
|
| }
|
| }
|
The client:
import javax.naming.Context;
| import com.sun.corba.se.impl.javax.rmi.PortableRemoteObject;
|
| public class ChatTester {
| public static void main(String args[]) {
| try {
| Context jndiContext = getInitialContext( );
| Object ref =
jndiContext.lookup("jboss-seam-myties/ChatServerImpl/remote");
| ChatServer srv =
(ChatServer)javax.rmi.PortableRemoteObject.narrow(ref, ChatServer.class);
|
| srv.notifyClients();
| } catch (javax.naming.NamingException ne){ne.printStackTrace( );}
| }
|
| public static Context getInitialContext( )
| throws javax.naming.NamingException {
| Properties p = new Properties( );
| p.put(Context.INITIAL_CONTEXT_FACTORY,
| "org.jnp.interfaces.NamingContextFactory");
| p.put(Context.URL_PKG_PREFIXES,
| " org.jboss.naming:org.jnp.interfaces");
| p.put(Context.PROVIDER_URL, "jnp://localhost:1099");
| return new javax.naming.InitialContext(p);
|
| }
| }
|
I am not sure whether this is related to seam, but I thought so... Maybe you
have any clues to this?
Thank you very much in advance and by this time, for reading the post :)
Joey
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