items" does not support runtime expression

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

url导错了

//错误

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

//正确

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

items" does not support runtime expression