LOG4j在配置启动TOMCAT错误？？

<?xml version="1.0" encoding="UTF-8"?>
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

contextConfigLocation
classpath:com/arvato/resource/applicationContext.xml


log4jConfigLocation
log4j.properties
<listener>
    <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
</listener>
<listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

<servlet>
    <servlet-name>user</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

</servlet>
<servlet-mapping>
    <servlet-name>user</servlet-name>
    <url-pattern>*.do</url-pattern>
</servlet-mapping>

按照网上配置都配了 还是报错 下面是报错信息，WARN 警告实在不知道怎么解决了 跪求高手解决，谢谢！没有悬赏币了，对不住
log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).
log4j:WARN Please initialize the log4j system properly.