eJabberd - Login Problem

Hi all,
I am new to eJabberd server.
I have created a simple connection Code. And Compiled My Flash File(No Error).
My Flash File is getting connected with eJabberd, But Immediately After connection it get Disconnected. I don't Know What is the Reason. It didn't Show Any Error.

Can any one Help me to overcome this problem. Or let me know where can i check Why this get disconnected. Below is the Code i have used.

Following is the Code i have used. Pls help me.
/************************************************************************/
import org.jivesoftware.xiff.im.Roster;
import org.jivesoftware.xiff.core.XMPPConnection;
import org.jivesoftware.xiff.data.XMPPStanza;
import org.jivesoftware.xiff.data.Message;
import org.jivesoftware.xiff.data.IQ;
import org.jivesoftware.xiff.data.register.RegisterExtension;
import org.jivesoftware.xiff.data.PrivateDataManager;
import org.jivesoftware.xiff.data.PrivateDataExtension;
import org.jivesoftware.xiff.conference.Room;
import org.jivesoftware.xiff.conference.InviteListener;
//
var connection = new XMPPConnection();
connection.ignoreWhite = true;
connection.username = "deva";
connection.password = "password";
connection.server = "aiche018";
connection.port = "5222";
//
connection.resource = "XIFFIAN";
//
var globalHandler = new Object();
globalHandler.handleEvent = function(eventObj) {
trace("GLOBAL: "+eventObj.type);
switch (eventObj.type) {
case "login" :
trace("LOGIN");
break;
case "connection" :
trace("Connection Established");
connectToChat();
break;
case "disconnection" :
trace("You are Disconnected");
break;
case "message" :
trace("Message Recieved : "+msg.body);
break;
case "error" :
trace("Error");
break;
}
};
//
connection.addEventListener("login", globalHandler);
connection.addEventListener("message", globalHandler);
connection.addEventListener("connection", globalHandler);
connection.addEventListener("disconnection", globalHandler);
connection.addEventListener("error", globalHandler);
//
var chatRoom = new Room(_root.connection);
function connectToChat() {
chatRoom.roomName = "myRoom";
chatRoom.nickname = "deva";
chatRoom.password = "password";
chatRoom.conferenceServer = "conference.aiche018";
chatRoom.join();
}
//
send_btn.onPress = function() {
chatRoom.sendMessage(messageBody);
};
//
connection.connect();
/************************************************************************/