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.
Since the Struts stores it's configuration information in an xml file, (struts-config.xml) and it's validator also stores information in an xml file, xml parsing is needed to process these files. When the Struts ActionServlet starts up, it needs xml parsing capability to parse through struts-config.xml.