[에러]
According to TLD or attribute directive in tag file, attribute items does not accept any expressions
[해결방법]
JSTL의 버전에 따라
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="c_rt" uri="http://java.sun.com/jstl/core_rt" %>
을 고쳐준다.
1.0 = http://java.sun.com/jstl/core
1.1 = http://java.sun.com/jsp/jstl/core