log4j配置

参考http://www.codeceo.com/article/log4j-usage.html

--------------------------- web.xml中的配置------------------------------------------------------------------------------------

 <!-- 设置根目录 -->

<context-param>

<param-name>webAppRootKey</param-name>

<param-value>webapp.root</param-value>

</context-param>

<context-param>

<param-name>log4jConfigLocation</param-name>

<param-value>/WEB-INF/classes/log4j.properties</param-value>

</context-param>

<!-- 3000表示 开一条watchdog线程每60秒扫描一下配置文件的变化;这样便于日志存放位置的改变 -->

<context-param>

<param-name>log4jRefreshInterval</param-name>

<param-value>3000</param-value>

</context-param>  

<listener>  

   <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>  

</listener>

--------------------------- log4j.properties------------------------------------------------------------------------------------

log4j.rootLogger=warn,stdout,D,E  

log4j.appender.stdout=org.apache.log4j.ConsoleAppender     

log4j.appender.stdout.layout=org.apache.log4j.PatternLayout    

log4j.appender.stdout.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH:mm:ss} :%m%n 

log4j.logger.java.sql.Connection = DEBUG  

log4j.logger.java.sql.Statement = DEBUG  

log4j.logger.java.sql.PreparedStatement = DEBUG   

log4j.logger.java.sql.ResultSet = warn

log4j.appender.D = org.apache.log4j.DailyRollingFileAppender  

log4j.appender.D.File = ${user.dir}/../logs/webLand.log  

log4j.appender.D.Append = true  

log4j.appender.D.Threshold = DEBUG   

log4j.appender.D.layout = org.apache.log4j.PatternLayout  

log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n  

log4j.appender.E = org.apache.log4j.DailyRollingFileAppender  

log4j.appender.E.File =${user.dir}/../logs/webLandError.log   

log4j.appender.E.Append = true  

log4j.appender.E.Threshold = ERROR   

log4j.appender.E.layout = org.apache.log4j.PatternLayout  

log4j.appender.E.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n