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.
Yeah, it is one of those things... it bites you once, but you will never do it again
I guess you can see what was happening.
In Struts2, if you get weird problems like this, for example validation not happening where you expected it to happen, it is often because some interceptor was not being invoked, or as in this case, even the Action was never invoked.