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    copied!<p>I ended up with the following configuration in <strong>src/main/webapp/WEB-INF/web.xml:</strong></p> <pre><code>&lt;web-app xmlns=... version="2.4"&gt; &lt;servlet&gt; &lt;servlet-name&gt;dispatcher&lt;/servlet-name&gt; &lt;servlet-class&gt;org.springframework.web.servlet.DispatcherServlet&lt;/servlet-class&gt; &lt;load-on-startup&gt;2&lt;/load-on-startup&gt; &lt;/servlet&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;dispatcher&lt;/servlet-name&gt; &lt;url-pattern&gt;/&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; &lt;listener&gt; &lt;listener-class&gt;org.springframework.web.context.ContextLoaderListener&lt;/listener-class&gt; &lt;/listener&gt; &lt;context-param&gt; &lt;param-name&gt;contextConfigLocation&lt;/param-name&gt; &lt;param-value&gt;/WEB-INF/application-context.xml,/WEB-INF/security.xml,/WEB-INF/db.xml,/WEB-INF/services.xml&lt;/param-value&gt; &lt;/context-param&gt; &lt;filter&gt; &lt;filter-name&gt;springSecurityFilterChain&lt;/filter-name&gt; &lt;filter-class&gt;org.springframework.web.filter.DelegatingFilterProxy&lt;/filter-class&gt; &lt;/filter&gt; &lt;filter-mapping&gt; &lt;filter-name&gt;springSecurityFilterChain&lt;/filter-name&gt; &lt;url-pattern&gt;/*&lt;/url-pattern&gt; &lt;/filter-mapping&gt; &lt;filter&gt; &lt;filter-name&gt;sitemesh&lt;/filter-name&gt; &lt;filter-class&gt;com.opensymphony.sitemesh.webapp.SiteMeshFilter&lt;/filter-class&gt; &lt;/filter&gt; &lt;filter-mapping&gt; &lt;filter-name&gt;sitemesh&lt;/filter-name&gt; &lt;url-pattern&gt;/*&lt;/url-pattern&gt; &lt;/filter-mapping&gt; &lt;/web-app&gt; </code></pre> <p>I think the most common problem with Spring is misunderstanding of Spring contexts. Take closer look at DispatcherServlet. Spring will automatically search for dispatcher-servlet.xml which is <strong>web context</strong>. Beans from this context are not available to beans that are defined in <strong>root contexts</strong>, e.g. specified in <strong>contextConfigLocation</strong> parameter. To make it available people often include dispatcher-servlet.xml in contextConfigLocation which logically causes that Spring initializes web context twice. Then it will be a nightmare to configure spring-security (global-method-security) or component-scan or sitemesh and configuration will be "shaky". </p>
 

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