public class Toto1

{

public static void main(String[] args) {

          XMPPConnection connection = new XMPPConnection("127.0.0.1", 5222);

        //XMPPConnection connection = new XMPPConnection("localhost",5222);

        //connection.login("admin", "admin");

        ConfigureForm form = new ConfigureForm(FormType.submit);

        form.setPersistentItems(false);

        form.setDeliverPayloads(true);

        form.setAccessModel(AccessModel.open);

        PubSubManager manager = new PubSubManager(connection);

        myNode = manager.createNode("TestNode", form);

        //public SimplePayload(String elementName, String namespace, String xmlPayload)

        SimplePayload payload = new SimplePayload("book","pubsub:test:book", "<book xmlns='pubsub:test:book'><title>Lord of the Rings</title></book>");

        Item<SimplePayload> item = new Item<SimplePayload>(itemId, payload);

        // Required to recieve the events being published

        myNode.addItemEventListener(myEventHandler);

        // Publish item

        myNode.publish(item);

       eventNode = manager.getNode("TestNode");

        eventNode.addItemEventListener(myEventHandler);

        eventNode.subscribe("myJID");

           connection.close();

        }

        }

in fiel "PubSubManager"

final public class PubSubManager
{

    /** Server name */
         public static final String SERVER_NAME = "localhost";
         /** Server port */
     public static final int SERVER_PORT = 5222;

     /** user - for login */
         private final String user;
         /** Client password - for login*/
         private final String password;

     private XMPPConnection con;

        private String to;

    private ConcurrentHashMap<String, Node> nodeMap = new ConcurrentHashMap<String, Node>();

    // Create a connection to the igniterealtime.org XMPP server.
      XMPPConnection connection = new XMPPConnection("localhost",5222);
      // Connect to the server
     connection.connect();
      // Most servers require you to login before performing other tasks.
      connection.login("user", "password");

    /**
      * Create a pubsub manager associated to the specified connection.
      *
      * @param connection The XMPP connection
      */
     public PubSubManager(XMPPConnection connection)
     {
         con = connection;
     }

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     // Disconnect from the server
connection.disconnect();

}

error ???????????

C:\Documents and Settings\Bureau\noeudspubsub\org\jivesoftware\smackx\pubsub\Toto1.java:10: cannot find symbol
         symbol  : class XMPPConnection
         location: class Toto1
                   XMPPConnection connection = new XMPPConnection("127.0.0.1", 5222);
                   ^
         C:\Documents and Settings\Bureau\noeudspubsub\org\jivesoftware\smackx\pubsub\Toto1.java:10: cannot find symbol
         symbol  : class XMPPConnection
         location: class Toto1
                   XMPPConnection connection = new XMPPConnection("127.0.0.1", 5222);
                                                   ^
         C:\Documents and Settings\Bureau\noeudspubsub\org\jivesoftware\smackx\pubsub\Toto1.java:16: cannot access ConfigureForm
         bad class file: .\ConfigureForm.class
         class file contains wrong class: org.jivesoftware.smackx.pubsub.ConfigureForm
         Please remove or make sure it appears in the correct subdirectory of the classpath.
                 ConfigureForm form = new ConfigureForm(FormType.submit);
                 ^
         3 errors
         Processus terminé avec code quitter 1

where is the probleme ??