Combining DispatcherServlet, ContextLoaderListener, and SpringSecurity

I have enough nuts to crack here. I tried to integrate the mentioned 3 technologies into our webapp. We want to use

• Spring web
• Spring MVC as a viewing technology (with freemarker)
• Spring Security as a Security Level

But no matter how I set up my web.xml and other context files, I can't get everything to work at the same time. Everything will work in my current configuration except SpringSecurity will not intercept URL patterns

Some search queries (and common sense) told me that a problem with DispatcherServlet and ContextLoaderListener could be a problem.

So, here are my configurations. (Sorry for so much text and thanks for reading):

web.xml:

<!-- Needed by Spring -->
<listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
    <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
</listener>

<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>/WEB-INF/dw-manager-context.xml</param-value>
</context-param>

<!-- Needed by Spring MVC -->
<servlet>
    <servlet-name>appServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/servlet-context.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
</servlet>

<servlet-mapping>
    <servlet-name>appServlet</servlet-name>
    <url-pattern>/</url-pattern>
</servlet-mapping>

<!-- Needed by Spring Security -->
<filter>
    <filter-name>springSecurityFilterChain</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>
<filter-mapping>
    <filter-name>springSecurityFilterChain</filter-name>
    <url-pattern>/*</url-pattern>
    <dispatcher>FORWARD</dispatcher>
    <dispatcher>REQUEST</dispatcher>
</filter-mapping>

My servlet-context.xml:

<!-- Scan for controllers -->
<context:component-scan base-package="dw.manager" />

<!-- Need to declare annotation driven transactions again so they are picked up above controller methods -->
<tx:annotation-driven transaction-manager="transactionManager" />

<mvc:annotation-driven />

<bean id="viewResolver"     class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
    <!-- ... -->
</bean>

<bean id="freemarkerConfig"
    class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
    <!-- ... -->
</bean>

-context.xml:

<context:annotation-config />   

    <!-- deployment-setup just loads properties (files) -->
<import resource="deployment-setup.xml" />
<import resource="spring-security-context.xml" />
<import resource="dw-manager-datasource.xml" />

<!-- Import sub-modules -->
<import resource="classpath:dw-security-context.xml" />
<!-- ... -->

Spring -Security-context.xml:

<http pattern="/login" security="none" />
<http pattern="/accessDenied" security="none" />
<http pattern="/" security="none" />

<!-- enable use of expressions, define URL patterns and login/logout forms 
    and targets) -->
<http use-expressions="true" access-denied-page="/accessDenied">
    <intercept-url pattern="/*" access="hasRole('ROLE_USER')" />
    <!-- more stuff -->
</http>

<!-- a lot more... -->

manager-datasource ...

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edit2

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