Web.xml 中增加log4j

配置文件例如以下。web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
	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">

	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>jdbc-context.xml</param-value>
	</context-param>

	 <context-param>
    	<param-name>log4jConfigLocation</param-name>
    	<param-value>/WEB-INF/log4j.properties</param-value>
	</context-param>
	<context-param>
    	<param-name>log4jRefreshInterval</param-name>
    	<param-value>6000</param-value>
	</context-param>
	<listener>
    	<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
	</listener> 

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

	<!-- 配置spring MVC -->
	<servlet>
		<servlet-name>spring-mvc</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<!-- <param-value>classpath:/META-INF/spring-servlet.xml</param-value> -->
			<param-value>spring-servlet.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>

	<servlet-mapping>
		<servlet-name>spring-mvc</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

	<filter>
		<filter-name>encodingFilter</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
	</filter>

	<filter-mapping>
		<filter-name>encodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>

	<welcome-file-list>
		<welcome-file>index.html</welcome-file>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
</web-app>