unknown tag

Question

Why I get error tip message in eclipse on left when I include the following line.

I get the error \"Unknow

Answer 1

Add the given line on top of the JSP file:

<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

And, one more thing you need to do is, Copy the dependency from this maven repo link & paste it on pom.xml of the project.