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.
Thanks I found the DefaultServlet as the root app.
But is there a reason why you have different behavior between deployed applications and root by default? I mean should they just show the same error page if no customization is done?