I\'ve been trying for longer than I\'d like to admit to get JSTL working under Eclipse (and ultimately under GAE/J). I\'ve downloaded Eclipse, the Google App Engine Extension f
I had the same issue and I simply put the prefix = "c" at the end of the taglib definition
before:
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
after:
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
And all warnings disappear from Eclipse.