(1) Introduction of log4j jar Package:
Official website: http://logging.apache.org/log4j/1.2/download.html
(2) Add log4j configuration in Web. xml:
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<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>60000</param-value></context-param> |
(3) log4j properties file Log4j.properties:
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#Root Categorylog4j.rootLogger=debug,stdout,D,E#Consolelog4j.appender.stdout = org.apache.log4j.ConsoleAppenderlog4j.appender.stdout.Target = System.outlog4j.appender.stdout.layout = org.apache.log4j.PatternLayoutlog4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n#DEBUGlog4j.appender.D = org.apache.log4j.DailyRollingFileAppenderlog4j.appender.D.File = ${catalina.base}/logs/debug.loglog4j.appender.D.Append = truelog4j.appender.D.Threshold = DEBUGlog4j.appender.D.layout = org.apache.log4j.PatternLayoutlog4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n#ERRORlog4j.appender.E = org.apache.log4j.DailyRollingFileAppenderlog4j.appender.E.File =${catalina.base}/logs/error.loglog4j.appender.E.Append = truelog4j.appender.E.Threshold = ERRORlog4j.appender.E.layout = org.apache.log4j.PatternLayout log4j.appender.E.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n#IBATIS Categorylog4j.logger.com.ibatis=DEBUGlog4j.logger.com.ibatis.common.jdbc.SimpleDataSource=DEBUGlog4j.logger.com.ibatis.common.jdbc.ScriptRunner=DEBUGlog4j.logger.com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate=DEBUGlog4j.logger.java.sql.Connection=DEBUGlog4j.logger.java.sql.Statement=DEBUGlog4j.logger.java.sql.PreparedStatement=DEBUGlog4j.logger.java.sql.ResultSet=DEBUG#WS Logger for reportinglog4j.logger.WS=INFO,WSlog4j.appender.WS=org.apache.log4j.DailyRollingFileAppender log4j.appender.WS.File=${catalina.base}/logs/ws.loglog4j.appender.WS.layout=org.apache.log4j.PatternLayoutlog4j.appender.WS.DatePattern =‘.‘yyyy-MM-dd log4j.appender.WS.layout.ConversionPattern=%d-[ws] %p %t %c - %m%n #Other Loggerlog4j.logger.org.springframework=INFOlog4j.logger.com.ibatis.db=INFO log4j.logger.net.sf.json=ERRORlog4j.logger.org.apache.cxf=DEBUG,WS |
Note: My configuration file here is not very good, for reference only
(4) Test:
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packagecn.zifangsky.controller;importorg.apache.log4j.Logger;importorg.springframework.stereotype.Controller;importorg.springframework.web.bind.annotation.RequestMapping;@ControllerpublicclassTestController { privatestaticLogger logger = Logger.getLogger(TestController.class); @RequestMapping("/test.html") publicvoidtest(){ logger.info("info测试"); logger.debug("debug测试 "); logger.error("error测试"); }} |
The console output is as follows:
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[INFO ] 2016-11-06 18:01:28,000 method:cn.zifangsky.controller.TestController.test(TestController.java:13)info测试[DEBUG] 2016-11-06 18:01:28,007 method:cn.zifangsky.controller.TestController.test(TestController.java:14)debug测试 [ERROR] 2016-11-06 18:01:28,007 method:cn.zifangsky.controller.TestController.test(TestController.java:15)error测试 |
Debug.log file:
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2016-11-06 18:01:28 [ http-apr-9180-exec-10:0 ] - [ INFO ] info测试2016-11-06 18:01:28 [ http-apr-9180-exec-10:7 ] - [ DEBUG ] debug测试 2016-11-06 18:01:28 [ http-apr-9180-exec-10:7 ] - [ ERROR ] error测试 |
Error.log file:
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2016-11-06 18:01:28 [ http-apr-9180-exec-10:7 ] - [ ERROR ] error测试 |
Using log4j logging in spring projects
