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HTTP Status 500 - / ora/ch5/easy.jsp (line: 13, column: 16) According to TLD or attribute directive in tag file, attribute value does not accept any expressions
error
Workaround :
in the jsp file
add <% @ page isELIgnored = "true"%>
<%@ page contentType="text/html" %>
<%@ page isELIgnored="true"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<html>
<head>
<title>JSP is Easy</title>
</head>
<body bgcolor="white">
<h1>JSP is as easy as ...</h1>
<%-- Calculate the sum of 1 + 2 + 3 dynamically --%>
1 + 2 + 3 = <c:out value="${1 + 2 + 3}"/>
</body>
</html>
Jsp design second edition of the book
seemingly JSTL problem
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