This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
Thanks for your answer. I checked the versions of JSP, servlet and JSTL and everything is OK (Servlet 2.4 and JSTL 1.1 using Tomcat 5.5).
The rest of the code that uses EL and JSTL works fine. Just fails when I compare Character attribute with a char constant 'R'.