Bonjour,
Je suis debutant en Java et en fait on m'a donne un programme MVC2 pour regarder comment c'est organisé.
J'ai donc installé une base mysql, le connecteur au'il faut et importer le projet sous eclipse.
Jusque la tout va bien mais au moment de lancer l'application j'ai un message de ce genre :

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Activation.main: warning: sun.rmi.activation.execPolicy system
property unspecified and no ExecPermissions/ExecOptionPermissions
granted; subsequent activation attempts may fail due to unsuccessful
ExecPermission/ExecOptionPermission permission checks.  For
documentation on how to configure rmid security, refer to:

http://java.sun.com/j2se/1.4/docs/tooldocs/solaris/rmid.html
http://java.sun.com/j2se/1.4/docs/tooldocs/win32/rmid.html

Activation.main: an exception occurred: java.rmi.server.ExportException: Port already in use: 1098; nested exception is: 
	java.net.BindException: Address already in use: JVM_Bind
java.rmi.server.ExportException: Port already in use: 1098; nested exception is: 
	java.net.BindException: Address already in use: JVM_Bind
	at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:310)
	at sun.rmi.transport.tcp.TCPTransport.exportObject(TCPTransport.java:218)
	at sun.rmi.transport.tcp.TCPEndpoint.exportObject(TCPEndpoint.java:393)
	at sun.rmi.transport.LiveRef.exportObject(LiveRef.java:129)
	at sun.rmi.server.UnicastServerRef.exportObject(UnicastServerRef.java:190)
	at sun.rmi.server.Activation$ActivatorImpl.<init>(Activation.java:359)
	at sun.rmi.server.Activation.init(Activation.java:231)
	at sun.rmi.server.Activation.startActivation(Activation.java:202)
	at sun.rmi.server.Activation.main(Activation.java:2040)
Caused by: java.net.BindException: Address already in use: JVM_Bind
	at java.net.PlainSocketImpl.socketBind(Native Method)
	at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:359)
	at java.net.ServerSocket.bind(ServerSocket.java:319)
	at java.net.ServerSocket.<init>(ServerSocket.java:185)
	at java.net.ServerSocket.<init>(ServerSocket.java:97)
	at sun.rmi.transport.proxy.RMIDirectSocketFactory.createServerSocket(RMIDirectSocketFactory.java:27)
	at sun.rmi.transport.proxy.RMIMasterSocketFactory.createServerSocket(RMIMasterSocketFactory.java:333)
	at sun.rmi.transport.tcp.TCPEndpoint.newServerSocket(TCPEndpoint.java:649)
	at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:299)
	... 8 more
Je ne comprends pas cette histoire de Port already used.
Merci de votre aide