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How to Destroy a Session when the user close the browser

Meet Gaurav
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Joined: Oct 08, 2008
Posts: 492

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Hi

If suppose the user close the browser how to destroy the session. Please assist me.

I tried with some simple code

Please help me. How can I implement this ?

Chinna Eranna
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Joined: Dec 08, 2009
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Why do you want to this.. when servers supports session time-out feature ?

- Chinna

Meet Gaurav
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Joined: Oct 08, 2008
Posts: 492

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I need this functionality because if suppose I set the timeout as 5 min and if the user closed the browser in 2 min and again if he/she tried to login then it will be a problem. My application will allow 1 session per user. so the user cannot login for next 3min..

This is a bad approach. So as soon as the browser closed the I need to clear the session.

Chinna Eranna
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One solution could be to use *Cookies*.

Another way could be.. on window close.. you can to send a ajax request instead of submitting the form.

Meet Gaurav
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Joined: Oct 08, 2008
Posts: 492

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Please give some samples ajax request.

Chinna Eranna
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http://binodsuman.blogspot.com/2009/05/get-start-with-ajax-ajax-siimple.html

Meet Gaurav
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Joined: Oct 08, 2008
Posts: 492

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Chinna Many thanks....It's worked

this code helps me

function getXMLObject()  //XML OBJECT
{
   var xmlHttp = false;
   try {
     xmlHttp = new ActiveXObject("Msxml2.XMLHTTP")  // For Old Microsoft Browsers
   }
   catch (e) {
     try {
       xmlHttp = new ActiveXObject("Microsoft.XMLHTTP")  // For Microsoft IE 6.0+
     }
     catch (e2) {
       xmlHttp = false   // No Browser accepts the XMLHTTP Object then false
     }
   }
   if (!xmlHttp && typeof XMLHttpRequest != 'undefined') {
     xmlHttp = new XMLHttpRequest();        //For Mozilla, Opera Browsers
   }
   return xmlHttp;  // Mandatory Statement returning the ajax object created
}
 
var xmlhttp = new getXMLObject();	//xmlhttp holds the ajax object
 
function ajaxFunction() {
  if(xmlhttp) { 
  	var txtname = "TEST FROM STRUTS";
    xmlhttp.open("POST","Register.do",true); //getname will be the servlet name
    xmlhttp.onreadystatechange  = handleServerResponse;
    xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    xmlhttp.send("actionType=killSession"); //Posting txtname to Servlet
  }
}
 
function handleServerResponse() {
   if (xmlhttp.readyState == 4) {
     if(xmlhttp.status == 200) {
        alert("xmlhttp.status");
     }
     else {
        alert("Error during AJAX call. Please try again");
     }
   }
}

Chinna Eranna
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Joined: Dec 08, 2009
Posts: 174

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Cool..

I agree. Here's the link: http://zeroturnaround.com/jrebel - it saves me about five hours per week

subject: How to Destroy a Session when the user close the browser

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