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log4j配置详解

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Log 日志包
log4j.appender.consoleAppender = org.apache.log4j.ConsoleAppender
log4j.appender.logfile = org.apache.log4j.DailyRollingFileAppender
ConsoleAppender,控制台输出
FileAppender,文件日志输出
SMTPAppender,发邮件输出日志
SocketAppender,Socket日志
NTEventLogAppender,Window NT日志
SyslogAppender,
JMSAppender,
AsyncAppender,
NullAppender

文件输出:RollingFileAppender
log4j.rootLogger = INFO,logfile
log4j.appender.logfile = org.apache.log4j.RollingFileAppender
log4j.appender.logfile.Threshold = INFO   // 输出以上的INFO信息
log4j.appender.logfile.File = .. / logs / INFO_log     // 保存log文件路径
log4j.appender.logfile.Append = true    // 默认为true,添加到末尾,false在每次启动时进行覆盖
log4j.appender.logfile.MaxFileSize = 10KB  // 一个log文件的大小,超过这个大小就又会生成1个日志  // KB ,MB,GB
log4j.appender.logfile.MaxBackupIndex = 3   // 最多保存3个文件备份
log4j.appender.logfile.layout = org.apache.log4j.HTMLLayout  // 输出文件的格式
log4j.appender.logfile.layout.LocationInfo = true  #是否显示类名和行数
log4j.appender.logfile.layout.Title = 页面title  #html页面的 < title >
############################## SampleLayout ####################################
# log4j.appender.logfile.layout = org.apache.log4j.SampleLayout
############################## PatternLayout ###################################
# log4j.appender.logfile.layout = org.apache.log4j.PatternLayout
# log4j.appender.logfile.layout.ConversionPattern =% d  % p [ % c]  -   % m % n  % d
############################## XMLLayout #######################################
# log4j.appender.logfile.layout = org.apache.log4j.XMLLayout
# log4j.appender.logfile.layout.LocationInfo = true  #是否显示类名和行数
############################## TTCCLayout ######################################
# log4j.appender.logfile.layout = org.apache.log4j.TTCCLayout
# log4j.appender.logfile.layout.DateFormat = ISO8601
#NULL, RELATIVE, ABSOLUTE, DATE or ISO8601.
# log4j.appender.logfile.layout.TimeZoneID = GMT - 8 : 00
# log4j.appender.logfile.layout.CategoryPrefixing = false  ##默认为true 打印类别名
# log4j.appender.logfile.layout.ContextPrinting = false  ##默认为true 打印上下文信息
# log4j.appender.logfile.layout.ThreadPrinting = false  ##默认为true 打印线程名
# 打印信息如下:
2007 - 09 - 13   14 : 45 : 39 , 765  [http - 8080 - 1 ] ERROR com.poxool.test.test  -  error成功关闭链接
###############################################################################
每天文件的输出:DailyRollingFileAppender
log4j.rootLogger = INFO,errorlogfile
log4j.appender.errorlogfile = org.apache.log4j.DailyRollingFileAppender
log4j.appender.errorlogfile.Threshold = ERROR
log4j.appender.errorlogfile.File = .. / logs / ERROR_log
log4j.appender.errorlogfile.Append = true  #默认为true,添加到末尾,false在每次启动时进行覆盖
log4j.appender.errorlogfile.ImmediateFlush = true   #直接输出,不进行缓存
# ' . ' yyyy - MM: 每个月更新一个log日志
# ' . ' yyyy - ww: 每个星期更新一个log日志
# ' . ' yyyy - MM - dd: 每天更新一个log日志
# ' . ' yyyy - MM - dd - a: 每天的午夜和正午更新一个log日志
# ' . ' yyyy - MM - dd - HH: 每小时更新一个log日志
# ' . ' yyyy - MM - dd - HH - mm: 每分钟更新一个log日志
log4j.appender.errorlogfile.DatePattern = ' . ' yyyy - MM - dd ' .log '  #文件名称的格式
log4j.appender.errorlogfile.layout = org.apache.log4j.PatternLayout
log4j.appender.errorlogfile.layout.ConversionPattern =% d  % p [ % c]  -   % m % n  % d

控制台输出:
log4j.rootLogger = INFO,consoleAppender
log4j.appender.consoleAppender = org.apache.log4j.ConsoleAppender
log4j.appender.consoleAppender.Threshold = ERROR
log4j.appender.consoleAppender.layout = org.apache.log4j.PatternLayout
log4j.appender.consoleAppender.layout.ConversionPattern =% d  %- 5p  % m % n
log4j.appender.consoleAppender.ImmediateFlush = true    // 直接输出,不进行缓存
log4j.appender.consoleAppender.Target = System.err  // 默认是System.out方式输出
转自:http://www.blogjava.net/fine/archive/2008/01/28/178127.html
发送邮件:SMTPAppender
log4j.rootLogger = INFO,MAIL
log4j.appender.MAIL = org.apache.log4j.net.SMTPAppender
log4j.appender.MAIL.Threshold = DEBUG
log4j.appender.MAIL.BufferSize = 10KB
log4j.appender.MAIL.From = yu77585211111@ 163 .com
log4j.appender.MAIL.SMTPHost = mail.myce.net.cn
log4j.appender.MAIL.Subject = Log4J Message
log4j.appender.MAIL.To = yuyongpeng@myce.net.cn
log4j.appender.MAIL.layout = org.apache.log4j.PatternLayout
log4j.appender.MAIL.layout.ConversionPattern =% d  -   % c  -%- 4r [ % t]  %- 5p  % c  % x  -   % m % n

数据库:JDBCAppender
log4j.appender.DATABASE = org.apache.log4j.jdbc.JDBCAppender
log4j.appender.DATABASE.URL = jdbc:oracle:thin:@ 210.51 . 173.94 : 1521 :YDB
log4j.appender.DATABASE.driver = oracle.jdbc.driver.OracleDriver
log4j.appender.DATABASE.user = ydbuser
log4j.appender.DATABASE.password = ydbuser
log4j.appender.DATABASE.sql = INSERT INTO A1 (TITLE3) VALUES ( '  %d - %c %-5p %c %x - %m%n ' )
log4j.appender.DATABASE.layout = org.apache.log4j.PatternLayout
log4j.appender.DATABASE.layout.ConversionPattern =% d  -   % c  -%- 4r [ % t]  %- 5p  % c  % x  -   % m % n
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