A
amartapple
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这个是JSPBook 3rd里的一个例子
<%@ page contentType="text/html" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/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
ut value="${1 + 2 + 3}" />
</body>
</html>
我在Tomcat中运行正常
可是用JB9编译却提示前两行错误，错误信息为
"easy.jsp": java.lang.NullPointerException
"easy.jsp": errorrg.apache.jasper.JasperException: Error compiling /easy.jsp
<%@ page contentType="text/html" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>JSP is Easy</title>
</head>
<body bgcolor="white">
<h1>JSP is as easy as ...</h1>
<%-- Calculate the sum of 1 + 2 + 3 dynamically --%>
1 + 2 + 3 = <c
ut value="${1 + 2 + 3}" /></body>
</html>
我在Tomcat中运行正常
可是用JB9编译却提示前两行错误，错误信息为
"easy.jsp": java.lang.NullPointerException
"easy.jsp": error
rg.apache.jasper.JasperException: Error compiling /easy.jsp