session解决方案tomcat正常 web.xml

web.xml
     <filter>
       <filter-name>requestContextFilter</filter-name>
       <filter-class>org.springframework.web.filter.RequestContextFilter</filter-class>
    </filter>
    <filter-mapping>
       <filter-name>requestContextFilter</filter-name>
       <url-pattern>/*</url-pattern>
    </filter-mapping>
    <listener>
    <listener-class>
        org.springframework.web.context.request.RequestContextListener
    </listener-class>
    </listener>