web.xml:
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath*:applictionContext.xml ,classpath*:applictionContext-security3.xml</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <!--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>
  </filter-mapping>
</web-app>applictionContext-security3.xml:
  <global-method-security pre-post-annotations="enabled"></global-method-security>
       <http security="none" pattern="/login.jsp"></http><!-- 不需要权限的 -->
       <http security="none" pattern="/index.jsp"></http><!-- 不需要权限的 -->
      <http auto-config="true" access-denied-page="/common/403.jsp/"><!-- 需要权限的 -->
        <intercept-url pattern="/user.jsp" access="ROLE_USER" />
        <!-- session管理 -->
       <session-management session-fixation-protection="none">
        <concurrency-control error-if-maximum-exceeded="true" max-sessions="1"/>
       </session-management>
        <form-login login-page="/login.jsp"
         authentication-failure-url="/common/403.jsp/"
         default-target-url="/login.jsp"/>
         <logout logout-success-url="/login.jsp"/>
         <http-basic/>  
      </http>
            <!-- 认证管理 -->
<authentication-manager>
<authentication-provider>
<user-service>
<user name="admin" password="admin" authorities="ROLE_USER"/>
</user-service>
</authentication-provider>
</authentication-manager>
</beans:beans> 访问index.jsp login.jsp时报404错误 不知道哪里出错了 求高手!securityspring