spring-security整合cas

• 异常描述
• 异常解决

1. 异常信息

No bean named 'springSecurityFilterChain' available

1. 异常描述

Spring-security整合CAS

启动tomcat没有异常,访问服务器出现异常

1. 异常代码

    	<!-- 配置Spring MVC前端控制器(核心控制器) -->
	<servlet>
		<servlet-name>XXXXXX</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:springmvc.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>XXXXXX</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

	<!-- 配置SpringSecurity委派过滤器 -->
	<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>
	<!--欢迎列表-->
	<welcome-file-list>
		<welcome-file>home-index.html</welcome-file>
	</welcome-file-list>

1. 异常解决

• 在web.xml中除了前端控制器加载springmvc.xml配置文件外
• 还要加载spring-security配置文件,只能通过Spring核心监听器(ContextLoaderListener)来加载
• 所以检查发现:不是缺少委派过滤器,而是缺少Spring核心监听器导致,springSecurityFilterChain不可用