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.
Again, it is unnecessary to store a reference to the servlet context -- it can easily be obtained from any request. It's also considered poor practice to override init(ServletConfig); you should be overriding init() (the one with no parameters).