依赖jar包web
<dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency>
log4j.propertiesspring
log4j.rootLogger=DEBUG,TEST,FILE log4j.appender.TEST=org.apache.log4j.ConsoleAppender log4j.appender.TEST.layout=org.apache.log4j.PatternLayout log4j.appender.TEST.layout.ConversionPattern=[%d] [%p] [%l] [%m] %n log4j.appender.FILE=org.apache.log4j.RollingFileAppender log4j.appender.FILE.File=d:/log.txt log4j.appender.FILE.MaxFileSize=100KB log4j.appender.FILE.MaxBackupIndex=2 log4j.appender.FILE.layout=org.apache.log4j.PatternLayout log4j.appender.FILE.layout.ConversionPattern=[%d] [%p] [%l] [%m] %n #------------------------------------------------------------------------ # %m 输出代码中指定的消息 # %p 输出优先级,即DEBUG,INFO,WARN,ERROR,FATAL # %r 输出自应用启动到输出该log信息耗费的毫秒数 # %c 输出所属的类目,一般就是所在类的全名 # %t 输出产生该日志事件的线程名 # %n 输出一个回车换行符,Windows平台为“rn”,Unix平台为“n” # %d 输出日志时间点的日期或时间,默认格式为ISO8601,也能够在其后指定格式,好比:%d{yyyy MMM dd HH:mm:ss,SSS},输出相似:2002年10月18日 :10:28,921 # %l 输出日志事件的发生位置,包括类目名、发生的线程,以及在代码中的行数。 # %x Used to output the NDC (nested diagnostic context) associated with the thread that generated the logging event # %X Used to output the MDC (mapped diagnostic context) associated with the thread that generated the logging event for specified key #------------------------------------------------------------------------
web.xml 配置apache
<context-param> <param-name>log4jConfigLocation</param-name> <param-value>classpath: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>