下面的监听器配置在弹簧应用程序的web.xml中不起作用

Question

下面的ContextListener是我自定义的类，下面是它的代码，定义的方法没有被调用.i;我不确定内部发生了什么。请帮助我这个

package com.apalya.promo.properties;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.servlet.ServletContextEvent;
import org.apache.log4j.Logger;

public class ContextListener {

Logger logger = Logger.getLogger(ContextListener.class);

public void contextInitialized(ServletContextEvent servletContextEvent) {
   logger.info("       !!!!!!!!PromoTv module is Going To Be Deployed     
!!!!!!!!       ");
   System.out.println("       !!!!!!!!PromoTv module is Going To Be 
Deployed !!!!!!!!       ");
    try {
        Context ctx = new InitialContext();
        ServerProperties.setConfigMap();
        ServerProperties.setDbQueriesMap();
    } catch (Exception e) {
       logger.info("       @@@@@@@@@@@  Error In ServletContextListener 
Class  @@@@@@@@@  :: " + e);
    }
}

public void contextDestroyed(ServletContextEvent servletContextEvent) {
    logger.info("       ++++++++++ PromoTv module  is Going to Stop 
++++++++++++       ");
   System.out.println("       ++++++++++ PromoTv module  is Going to Stop 
++++++++++++       ");

}


}

`
这是我的web.xml文件，我为我的用户定义的类配置了监听器类，看起来它没有被调用。

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"   
xmlns="http://java.sun.com/xml/ns/javaee" 
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com
/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">


<display-name>Archetype Created Web Application</display-name>

<listener>
        <listener-class>
        org.springframework.web.context.ContextLoaderListener
    </listener-class>
</listener>

<listener>
          <listener-class>
            com.apalya.promo.properties.ContextListener
          </listener-class>
</listener>  

<servlet>
    <servlet-name>dispatcher</servlet-name>
    <servlet-class>
        org.springframework.web.servlet.DispatcherServlet
    </servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>

<servlet-mapping>
    <servlet-name>dispatcher</servlet-name>
    <url-pattern>/</url-pattern>
</servlet-mapping>

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