This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
WebSphere Test Server may be configured for struts at the server level. Tomcat by default is not, you must either put all of the struts jar files in the $CATALINA_HOME/comm/lib directory for any struts based web application or place them in the WEB-INF\lib directory of each specific web application.
The latter is helpful, if your anticipating on moving the web application from one server/container to another.