javax.servlet.ServletException: java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/ConditionalTagSupport

Question

I am using sitemesh to decorate the pages. I am using a JSP page for this. The page worked fine until I used the conditional tag. I have the jstl-i

Answer 1

From Netbeans IDE

Right click on a project, then presses, libraries and add just a library

That you will fire it.