El Expression Not Evaluated

can someone please tell me why the following EL expression does not get evaluated:
$ { person.name }
Person is a Java bean class. And here is the header of my web.xml file:
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app>
</web-app>

It seems you know the answer already.
In order for EL expressions to work in a JSP page you need
- a JSP2.0 container (eg Tomcat 5)
- your web.xml must declare itself as version 2.4
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
    version="2.4">
</webapp>The other way to do it for individual pages is with a page directive.
<%@ page isELIgnored="false" %>
But fixing web.xml does it for all pages in the application.
Cheers,
evnafets

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http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:4110947624538#22981269011674
edit
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(http://download.oracle.com/docs/cd/B19306_01/server.102/b14219/e19400.htm#sthref6020)
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