I am trying to implement spring security in the my project let me know what i am missing.

not able to redirect after session timeout on the sessiontimeout page

below is my spring security xml.Please help and let me know what i am missing.

spring security xml.
<beans:beans xmlns="http://www.springframework.org/schema/security"
xmlns:beans="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schem...-beans-3.0.xsd
http://www.springframework.org/schema/security
http://www.springframework.org/schema/security/spring-security-3.0.3.xsd">

<http auto-config="true">
<intercept-url pattern="*.do" access="ROLE_USER" />
<form-login login-page="/login" default-target-url="/welcome" authentication-failure-url="/loginfailed" />
<logout logout-success-url="/logout" invalidate-session="true" logout-url="/logout"/>

<session-management>
<concurrency-control max-sessions="1" error-if-maximum-exceeded="true" /></session-management>

<session-management invalid-session-url="/logout.do" />


</http>


</beans:beans>


web.xml
<listener>
<listener-class>org.springframework.web.context.ContextLoade rListener</listener-class>
</listener>

<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
/WEB-INF/dispatcher-servlet.xml
/WEB-INF/dispatcher-security.xml
</param-value>
</context-param>

<listener>
<listener-class>org.springframework.security.web.session.Htt pSessionEventPublisher</listener-class>
</listener>



<filter>
<filter-name>springSecurityFilterChain</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFil terProxy</filter-class>
</filter>

<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

<session-config>
<session-timeout>5</session-timeout>
</session-config>