auth_web.xml

<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> 
</filter-mapping> 
<listener> 
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> 
</listener> 
<context-param> 
<param-name>contextConfigLocation</param-name> 
<param-value>classpath:security-context.xml</param-value> 
</context-param>