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POSpring security JSP tags - which jars do I need?
 

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    <p>I have a project that used to run successfully on Spring 3.0 with Spring-MVC. I'm moving it to Spring 3.1 and at the same time changing my jar management to Maven rather than manual download/copy to project/lib for Ant.</p> <p>During loading the first (login) public page in the logs I see: INFO: At least one JAR was scanned for TLDs yet contained no TLDs</p> <p>Which makes me think one my taglib URLs isn't being matched to an appropriate taglib jar. So either the URL is incorrect or I don't have the appropriate jars.</p> <p>In the top of my JSP:</p> <pre><code>&lt;%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %&gt; &lt;%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %&gt; &lt;%@ taglib prefix="sec" uri="http://www.springframework.org/security/tags" %&gt; &lt;%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %&gt; &lt;%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %&gt; </code></pre> <p>I think it is the security tag that is having issues, as on the following page (after login) I get a new error: javax.servlet.ServletException: javax.servlet.jsp.JspException: java.io.IOException: No visible WebSecurityExpressionHandler instance could be found in the application context. There must be at least one in order to support expressions in JSP 'authorize' tags.</p> <p>This is new to me - <strike>I hadn't had to define a 'WebSecurityExpressionHandler' when I was running the app with Spring 3.0 libraries,</strike> so either I'm missing a jar that provides the relevant stuff or something has changed in Spring 3.0 -> 3.1 in how I should be configuring the security of my application.</p> <p>Edit: I've found what looks like it should fulfil that role in my config:</p> <pre><code>`&lt;bean id="expressionHandler" class="org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler" /&gt;` </code></pre> <p>And <code>&lt;http auto-config="true" use-expressions="true" .... &gt;</code> in my security-context.xml</p>
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