This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
No, I don't think so, you must create a new reference to HttpSession in the doPost method unless you either create an instance variable(which is not recommended) or another example is to pass both the HttpServletRequest and HttpServletResponse as well as the HttpSession to a single method called by both the doGet and the doPost methods. The HttpSession object is not implicit like it would be in a JSP page. I hope this helps. Craig