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Sunday, December 19, 2010


3:45:00 PM Posted by Satish Kumar , , , 1 comment
Recently I and my team implemented the sticky session feature from apache to our application. After that we started getting frequent session time out issue from testing team. After a long analysis we found, the browser is not flushing the JSESSIONID each time the new session get created from the server. So if the cached session is of node 1 and new session is get created from node 2 the user used to get the session time out problem as apache used to redirect the request to node 1, where there is no session available.We found out this after analyzing the request header and server logs.

So we came up with a solution to flush the JSESSIONID each time the user comes to login page. Bellow is the java script code for the same.

setCookiesecure("JSESSIONID", getCookie("JSESSIONID"), -1, "/", null, true);

function setCookiesecure (name,value,expires,path,domain,secure) {

document.cookie = name + "=" + value + ((expires) ? "; expires=" + expires : "") + ((path) ? ";path=" +      path : "") + ((domain) ? "; domain=" +domain :"") + ((secure) ? "; secure" : "");

function getCookie( name )
        var start = document.cookie.indexOf( name + "=" );
        var len = start + name.length + 1;
        if ( ( !start ) && ( name != document.cookie.substring(0, name.length ) ) ) { 
        return null; 

        if ( start == -1 ) return null;

        var end = document.cookie.indexOf( ";", len ); 
        if ( end == -1 ) end = document.cookie.length;
        return unescape( document.cookie.substring( len, end ) );

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