Bonsoir,
L'exception est toujours lever dans le serveur, pourtant tout semble correcte non ?
Vous avez une idée svp merci

Serveur:

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Scanner;


public class Serveur {
	
		  public static void main (String args [])
		  {
		    try
		    {
		    	while(true){
		    		
		      ServerSocket server = new ServerSocket (2009);
		      Socket   socket = server.accept ();
		      System.out.println ("Connexion sur le socket : " + socket);
		      Scanner sc = new Scanner(System.in);
		      String message = sc.nextLine();
		      BufferedReader fluxEntree = new BufferedReader(new InputStreamReader( socket.getInputStream ()));
		      PrintWriter fluxSortie = new PrintWriter(new BufferedWriter(new OutputStreamWriter( socket.getOutputStream ())),true);
		      
		      while(fluxEntree != null) fluxSortie.println(message);
		      if(fluxEntree == null) server.close ();
		    	}
		    }
		    catch (IOException e)
		    {
		      System.out.println ("connexion échoué");
		    }  
		  }
	}

import java.awt.Event;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;



public class Client {

	
	  public static void main(String[] args)
	  {
	    try 
	    {
	    	while(true){
	      InetAddress adresse = InetAddress.getLocalHost ();
	      Socket      socket  = new Socket (adresse, 2009);
	      Scanner sc = new Scanner(System.in);
	      String message = sc.nextLine();
	      BufferedReader fluxEntree = new BufferedReader(new InputStreamReader( socket.getInputStream ()));
	      PrintWriter fluxSortie = new PrintWriter(new BufferedWriter(new OutputStreamWriter( socket.getOutputStream ())),true);
	      String serveur= fluxEntree.readLine();
	      while(fluxEntree != null) { fluxSortie.println(message); System.out.println(serveur); }
	      if(fluxEntree == null) socket.close ();
	    	}
	    	
	   
	}catch(IOException e){}
}
}

Configuration: Windows Vista
Firefox 3.0.8