log4j入门及常用配置-白红宇

log4j入门及常用配置

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发布时间：2019-06-09

本文共 3850 字，大约阅读时间需要 12 分钟。

import org.apache.log4j.BasicConfigurator;import org.apache.log4j.Level;import org.apache.log4j.Logger;    public class TestLog4J {     public static void main(String[] args) {         // create a log for TestLog4J class        Logger logger = Logger.getLogger(TestLog4J.class);        // use the default config       BasicConfigurator.configure();       // set this log level ,it will hide if it's output level lower this level        logger.setLevel(Level.ALL);                 logger.debug("this is debug");        logger.info("this is info");        logger.error("this is a error");        logger.fatal("this is a fatal error");    }    }

log4j.rootLogger=DEBUG,CONSOLE,A1,im  log4j.addivity.org.apache=true  # 应用于控制台  log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender  log4j.appender.Threshold=DEBUG  log4j.appender.CONSOLE.Target=System.out  log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout  log4j.appender.CONSOLE.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n  #log4j.appender.CONSOLE.layout.ConversionPattern=[start]%d{DATE}[DATE]%n%p[PRIORITY]%n%x[NDC]%n%t[THREAD] n%c[CATEGORY]%n%m[MESSAGE]%n%n  #应用于文件  log4j.appender.FILE=org.apache.log4j.FileAppender  log4j.appender.FILE.File=file.log  log4j.appender.FILE.Append=false  log4j.appender.FILE.layout=org.apache.log4j.PatternLayout  log4j.appender.FILE.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n  # Use this layout for LogFactor 5 analysis  # 应用于文件回滚  log4j.appender.ROLLING_FILE=org.apache.log4j.RollingFileAppender  log4j.appender.ROLLING_FILE.Threshold=ERROR  log4j.appender.ROLLING_FILE.File=rolling.log  //文件位置,也可以用变量${java.home}、rolling.log log4j.appender.ROLLING_FILE.Append=true       //true:添加  false:覆盖 log4j.appender.ROLLING_FILE.MaxFileSize=10KB   //文件最大尺寸 log4j.appender.ROLLING_FILE.MaxBackupIndex=1  //备份数 log4j.appender.ROLLING_FILE.layout=org.apache.log4j.PatternLayout  log4j.appender.ROLLING_FILE.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n   #应用于socket  log4j.appender.SOCKET=org.apache.log4j.RollingFileAppender  log4j.appender.SOCKET.RemoteHost=localhost  log4j.appender.SOCKET.Port=5001  log4j.appender.SOCKET.LocationInfo=true  # Set up for Log Facter 5  log4j.appender.SOCKET.layout=org.apache.log4j.PatternLayout  log4j.appender.SOCET.layout.ConversionPattern=[start]%d{DATE}[DATE]%n%p[PRIORITY]%n%x[NDC]%n%t[THREAD]%n%c[CATEGORY]%n%m[MESSAGE]%n%n   # Log Factor 5 Appender  log4j.appender.LF5_APPENDER=org.apache.log4j.lf5.LF5Appender  log4j.appender.LF5_APPENDER.MaxNumberOfRecords=2000  # 发送日志给邮件  log4j.appender.MAIL=org.apache.log4j.net.SMTPAppender  log4j.appender.MAIL.Threshold=FATAL  log4j.appender.MAIL.BufferSize=10  log4j.appender.MAIL.From=web@www.wuset.com  log4j.appender.MAIL.SMTPHost=www.wusetu.com  log4j.appender.MAIL.Subject=Log4J Message  log4j.appender.MAIL.To=web@www.wusetu.com  log4j.appender.MAIL.layout=org.apache.log4j.PatternLayout  log4j.appender.MAIL.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n  # 用于数据库  log4j.appender.DATABASE=org.apache.log4j.jdbc.JDBCAppender  log4j.appender.DATABASE.URL=jdbc:mysql://localhost:3306/test log4j.appender.DATABASE.driver=com.mysql.jdbc.Driver  log4j.appender.DATABASE.user=root  log4j.appender.DATABASE.password=  log4j.appender.DATABASE.sql=INSERT INTO LOG4J (Message) VALUES ('[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n')  log4j.appender.DATABASE.layout=org.apache.log4j.PatternLayout  log4j.appender.DATABASE.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n   log4j.appender.A1=org.apache.log4j.DailyRollingFileAppender  log4j.appender.A1.File=SampleMessages.log4j  log4j.appender.A1.DatePattern=yyyyMMdd-HH'.log4j'  log4j.appender.A1.layout=org.apache.log4j.xml.XMLLayout