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.
Is the 'classes' directory in your classpath? If not, the class will not be found. Alternatively, do a "cd WEB-INF/classes" and start the compilation from there; then the class will be in the default classpath.