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Editorial Team
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Asked: 2026-06-03T06:50:53+00:00

How can I disable resetting session timeout in Tomcat 5.5 for particular requests? On

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How can I disable resetting session timeout in Tomcat 5.5 for particular requests? On a page I have a javascript function that periodically sends ajax calls to the server. On server side I don’t want these calls to renew session lifetime.

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  1. Editorial Team

    Ok, since you didn’t like my first idea, I came up with this JSP demonstration.
    It’s kind of a hack but it does work. To test, copy and paste.
    Browse to the first JSP. It will start a session and set the inactive interval.
    After being redirected, keep hitting the Refresh button on your browser.
    No matter how times you request the second JSP, the current session will die.

    test1.jsp 

    <%
   session.setMaxInactiveInterval(20); //for easy testing
   response.sendRedirect("test2.jsp");
%>

    test2.jsp 

    <%@ page session="false" import="java.util.*" %>
<%
  HttpSession session = request.getSession(false);
  if(session == null){
                  out.print("Error, No Session!");
                  return;
  }
  long creationTime = session.getCreationTime();
  long now = new Date().getTime();
  long lastAccessedTime = session.getLastAccessedTime();
  int oldInterval = session.getMaxInactiveInterval();
  int inactivePeriod = (int)(now - lastAccessedTime)/1000; 
  session.setMaxInactiveInterval(oldInterval - inactivePeriod); 
  int newInterval = session.getMaxInactiveInterval();
%>
<html>
<body>
session id is <%=session.getId()%>
<br/><%=creationTime%> = creationTime
<br/><%=lastAccessedTime%> = lastAccessedTime
<br/><%=now%> = now
<br/><%=oldInterval%> = oldInterval in seconds 
<br/><%=inactivePeriod%> = inactivePeriod
<br/><%=newInterval%> = newInterval in seconds 
</body>
</html>
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