Hi team,

 

            In my login action I am adding the user who logged in into
hash table and I am putting that hash table in
servlet.getServletContext().setAttribute("") as fallows

 

Hashtable userList = new Hashtable();

userList.put("username",username);

servlet.getServletContext().setAttribute("userList",userList);

 


 

and in my sessionDestroy() method I am removing that user from the
context when his session expires as fallows

 

 

HttpSession session = sessionEvent.getSession();

String user = (String) session.getAttribute("username");

System.out.print(" USER "+user);

session.removeAttribute("ServiceNo");

 

Hashtable userList =  (Hashtable)
servlet.getServletContext().getAttribute("userList");

userList.remove(user);

 

I am getting NullPointerException in this line Hashtable userList =
(Hashtable) servlet.getServletContext().getAttribute("userList");

 

But I am sure the list in not null;

 

Regards,

Sreenivasula Reddy A



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