Javascript – how to check if IE window exists with a specific URL!

@yasar2002authorSep 13.2011 — #Thanks for inputs,

I have a redirector application written in a JSP page.

This contains an array that holds 4 URLs in the code mentioned below.

100+ users access it to login to maximo.

I want to make sure if 1 user launches two login sessions i.e., 2 IE windows, both of them should be different ports, otherwise system will not work.

Can you put some more light on this and give some guideline what my approach should be?

[CODE]
 
 <%@page import="java.net.HttpURLConnection"%>
 <%@page import="java.net.URL"%>
 
 
 <%
 
 String[] maxServer = { "90.97.8.0:7005/maximo", "90.97.8.0:7006/maximo" , "90.97.8.0:7007/maximo", "90.97.8.0:7008/maximo"};
 String Server = "";
 String errServer = "90.97.8.0:7001";
 
 String accessCount = (String) application.getAttribute("accessCount");
 if (accessCount == null) {
 accessCount = "0";
 }
 
 int i = Integer.parseInt(accessCount);;
 int sIndex = 0;
 String path ="";
 int counter=0;
 boolean error=false;
 while(counter < maxServer.length){
 try {
 sIndex = i % (maxServer.length );
 Server = maxServer[sIndex];
 path = "http://" + Server + "/webclient/login/login.jsp";
 URL url = new URL(path);
 HttpURLConnection conn = (HttpURLConnection) url.openConnection();
 conn.setRequestMethod("POST");
 conn.setDoOutput(true);
 conn.setDoInput(true);
 conn.connect();
 conn.disconnect();
 conn=null;
 break;
 } catch (Exception e) {
 i++;
 if(counter==maxServer.length-1){
 error=true;
 break;
 }
 counter++;
 }
 }
 application.setAttribute("accessCount", String.valueOf(i + 1)); 

 response.setStatus(301);
 response.setHeader( "Connection", "close" );
 
 if(!error){
 response.setHeader( "Location", "http://" + Server + "/webclient/login/login.jsp");
 } else {
 response.setHeader( "Location", "http://" + errServer + "/maximo/webclient/login/error.html" );
 }
 %>
 [/CODE]

Javascript – how to check if IE window exists with a specific URL!

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