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.
You can access it directly, i.e. through a client-side redirect, without problems. To get a RequestDispatcher for a different web app, you need to set the "crossContext" attribute (see the Tomcat documentation)