session object changed

I am using interceptors in the struts. There are 3 interceptors. when user logs in, session is created. The same session is not getting maintained over different requests for the same login. What might be the cause for this? -- View this message in context:

action chain tag

There is a action tag like this in my application. What happens here? whether the request goes to the render action or the page product_main.jsp is displayed? How to find this? Thanks action name=viewedit_ajax com.tebs.augusta.web.actions.product.ProductAction_viewedit

Tags in struts2

Whats the difference between result name= and result type= tags inside the action tag? Which one is called at what point? Please suggest. And also what does result name=error/empmanager/editEmployee.jsp/result result type=redirectedit-${currentEmployee.empId}.action/result /action Is there any