com.caucho.jsp.JspLineParseException: /news/world_news_feeds.jsp:1: org.xml.sax.SAXParseException: The prefix "c" for element "c:set" is not bound.

1:  <?xml version="1.0" encoding="UTF-8"?>
2:  <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" xmlns:x="http://java.sun.com/jstl/xml" xmlns:c="http://java.sun.com/jstl/core" version="1.2">
3:  <jsp:directive.page contentType="text/html"/>