This week's book giveaway is in the Other Open Source APIs forum. We're giving away four copies of Storm Applied and have Sean Allen, Peter Pathirana & Matthew Jankowski on-line! See this thread for details.
It says "the property value will be set only if a new bean is created. If an existing bean with that scope and id are found, the body of the tag will never run, so property won't be reset from your JSP code "