JSTL c:out not showing the variable's value

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北恋
北恋 2021-01-22 00:40

I\'m following a tutorial about spring and I\'m supposed to set a variable in a controller in order to be printed within the jsp rendering the request. The code is as follows:

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  • 2021-01-22 00:53

    This is an E xpression L anguage issue. Your ${} is not being resolved. This can happen for a number of reasons. One, and the most likely, is that your web.xml is declaring Servlet 2.3 and under. You'll have to specify 2.4+. Now, obviously, your Servlet container must also support that higher version.

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  • 2021-01-22 01:08

    Change this - the pad a library is bad:

    <!--  %@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>-->
    <%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
    <%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
    
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