java.rmi.NotBoundException: Printer

salut tous le monde ,

bon j'ai en cours de développer un application RMI sous eclipse 3.4.2 et pour cela j'utilise RMI Plug-in for Eclipse qui parrait simple a utilisé .

pour un premier exemple j'ai suivi le demo qui se trouve ici

bon tout ce passe bien jusqu'à ce que je veut éxécuter le client ,il maffiche l'erreur suivante

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java.rmi.NotBoundException: Printer
	at sun.rmi.registry.RegistryImpl.lookup(RegistryImpl.java:124)
	at sun.rmi.registry.RegistryImpl_Skel.dispatch(Unknown Source)
	at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java:403)
	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:267)
	at sun.rmi.transport.Transport$1.run(Transport.java:177)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:636)
	at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
	at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
	at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:377)
	at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
	at java.rmi.Naming.lookup(Naming.java:101)
	at demo.rmi.print.client.PrintClient.main(PrintClient.java:17)

et aussi au niveau de rmi regitre j'ai le message suivant:

Code:

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Exception dispatching call to [0:0:0, 0] in thread "RMI TCP Connection(3)-127.0.0.1" at Mon Jul 20 08:48:44 CET 2009:
java.rmi.NotBoundException: Printer
	at sun.rmi.registry.RegistryImpl.lookup(RegistryImpl.java:124)
	at sun.rmi.registry.RegistryImpl_Skel.dispatch(Unknown Source)
	at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java:403)
	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:267)
	at sun.rmi.transport.Transport$1.run(Transport.java:177)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:636)

est ce que quelqu'un peut m'aider et merci