Re: Embedding ${} syntax in jsp pages

[Thilo Krawietz]

Hi Ess,
in order to enable interpretation JSP 2.0 EL expressions, you need to 
switch your webapp to JSP 2.0. This is done in web.xml by replacing the 
starting

<web-app>
tag by this syntax:
<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">
After this, restart tomcat, then your web app should be recognized as 
JSP 2.0 and the command interpretation should work!

regards,
Thilo
Hello,
I see some of the examples shipped with 5.0.25 tomcat contains ${} 
embedded jsp commands, as below:

                 <tr>
        <td>\${1}</td>
        <td>${1}</td>
      </tr>
      <tr>
        <td>\${1 + 2}</td>
        <td>${1 + 2}</td>
      </tr>
      <tr>
        <td>\${1.2 + 2.3}</td>
        <td>${1.2 + 2.3}</td>
      </tr>
However, as I create a new tomcat application directory (Es. 
/myexamples) and try to use the same jsp syntax I only get symple html 
output, without ${} command interpretation.

Does someone know the reason? Is it some directive missing in web.xml 
file?

Thanks and best regards
Stefano
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