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.
I never worked with struts 2 but for 1.x, however could you see what the servlet converted from JSP (from the cache) is rendering as. May be the servlet might give more insight on -from where it is trying to read the content/message.
Have Fun with Java
little,little.. little by little makes a lot..