Multiple DispatcherServlet instances in the same application

saml-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- Autowire Spring Security SAML classes -->
    <context:component-scan base-package="org.springframework.security.saml.web"/>

</beans>

spring-servlet.xml

<?xml version="1.0" encoding="windows-1252"?>
<!--

    The contents of this file are subject to the license and copyright
    detailed in the LICENSE and NOTICE files at the root of the source
    tree and available online at

    http://www.dspace.org/license/

-->
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="
       http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-3.0.xsd
       http://www.springframework.org/schema/mvc
       http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
       http://www.springframework.org/schema/aop
       http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">

    <!-- Use @Component annotations for bean definitions -->
    <context:component-scan base-package="org.dspace.springmvc"/>

    <!-- Use @Controller annotations for MVC controller definitions -->
    <mvc:annotation-driven />

    <!-- Default to DefaultSpringController -->
    <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">
        <property name="defaultHandler" ref="cocoonForwardController"/>
    </bean>




</beans>

web.xml

    <!-- Spring Servlet -->
    <servlet>
        <servlet-name>spring</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    
    <servlet>
        <servlet-name>saml</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    
    <!-- /saml url's go to the saml dispatcher servlet -->
    <servlet-mapping>
        <servlet-name>saml</servlet-name>
        <url-pattern>/saml/*</url-pattern>
    </servlet-mapping>

    <!-- All other url's go to normal xmlui servlet -->
    <servlet-mapping>
        <servlet-name>spring</servlet-name>
        <url-pattern>/*</url-pattern>
    </servlet-mapping>