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配备log4j的信息

热度:278   发布时间:2012-07-26 12:01:08.0
配置log4j的信息
1.将log4j-1.2.14.jar加入你的项目中;
2.在src/下创建log4j.properties|log4j.xml文件;
3.在web.xml中配置log4j的信息,如下:
<context-param>
  <param-name>log4jConfigLocation</param-name>
  <param-value>/WEB-INF/classes/log4j.properties</param-value>
   </context-param>
<listener>
  <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
</listener>
4.在项目webroot下创建你想要保存日志文件的文件夹及文件,如webroot/logs/web_app.log;
具体log4j.properties文件,给你一个示例吧,如下:
log4j.rootLogger=INFO, stdout, logfile

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
#log4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - %m%n
log4j.appender.stdout.layout.ConversionPattern=- %m%n

log4j.appender.logfile=org.apache.log4j.RollingFileAppender
log4j.appender.logfile.File=${webapp.root}/logs/webapp.log
log4j.appender.logfile.MaxFileSize=512KB
# Keep three backup files.
log4j.appender.logfile.MaxBackupIndex=3
# Pattern to output: date priority [category] - message
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern=%d %p [%c] - %m%n

log4j.logger.com.opensymphony.xwork2=ERROR

# Control logging for other open source packages
log4j.logger.org.springframework=ERROR
log4j.logger.org.quartz=ERROR
log4j.logger.net.sf.ehcache=ERROR
log4j.logger.net.sf.navigator=ERROR
log4j.logger.org.apache.commons=ERROR
log4j.logger.org.apache.struts=ERROR

# Struts OgnlUtil issues unimportant warnings
log4j.logger.com.opensymphony.xwork2.util.OgnlUtil=error
log4j.logger.com.opensymphony.xwork2.ognl.OgnlValueStack=error
具体写法可根据自己的项目进行配置。