Hi, I feel like a rookie, But I will ask for help on this. I will swallow my pride. I'm using Eclipe (latest version) to develop, and Tomcat 7.0.X both in development and in production. I started using JSTL1.2 today. When I run my app, I get this response:
javax.servlet.ServletException: java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/LoopTag org.apache.jasper.servlet.JspServlet.service(JspServlet.java:343) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176) org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145) org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92) org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:381) org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056) org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:388) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397) javax.servlet.http.HttpServlet.service(HttpServlet.java:621) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176) org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145) org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92) org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:381) I already added the file "jstl-impl-1.2.jar" to my "lib" path, which is "C:\EclipseTomcat7Labs\webapps\VistaControlador\WEB-INF\lib". I confirmed that when Eclipse is deploying my app, it is deloying the JST JAR. I also put this declaration on top of my JSP file: <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> So how can that class not be found? Thanks in advace, Brian