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tomcat默认的log使用的是java.util.logging,配置文件在${catalina_base}/conf/logging.properties
tomcat日志分类,
1.access log,即tomcat webserver访问日志,
2.运行日志,
3.console日志,
不一定这么分,但我觉得console日至比较特别,因为我对tomcat了解得并不多
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access日志
位置:${catalina_base}/conf/server.xml
因为我现在不特别关心访问日志,详细信息可以参考http://tomcat.apache.org/tomcat-6.0-doc/config/valve.html 中的 Access Log Valve
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console控制台日志,定义在catalina.sh文件中,
http://www.iyunv.com/liuyf8688/archive/2012/09/25/2703102.html
在类Unix的系统中运行Tomcat,控制台输入通常会被重定向到catalina.out文件中。文件名称是可以通过一个环境变量配置的(查看startup脚本)。所有写到System.err/out中的信息都会被捕捉到写入到这个文件。包括:
通过java.lang.ThreadGroup.uncaughtException(…)打印的未被捕获的异常信息
请求导出的线程运行信息
当运行作为一个Windows服务时,控制台输出也是被捕获并重定向,但文件名是不同的。Apache Tomcat默认的日志配置写相同的日志到控制台和日志文件。当使用Tomcat作为开发时,这一点非常好,但通常生产环境不需要这样做。
如何关闭该日志,修改catalina.sh,
将CATALINA_OUT设置为/dev/null
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使用log4j替代java.util.logging
步骤:
1.创建$CATALINA_BASE/lib/log4j.properties
log4j.rootLogger=INFO, CATALINA, SYSLOG
# Define all the appenders
log4j.appender.CATALINA=org.apache.log4j.DailyRollingFileAppender
log4j.appender.CATALINA.File=${catalina.base}/logs/catalina.log
log4j.appender.CATALINA.Append=true
log4j.appender.CATALINA.Encoding=UTF-8
# Roll-over the log once per day
log4j.appender.CATALINA.DatePattern='.'yyyy-MM-dd'.log'
log4j.appender.CATALINA.layout = org.apache.log4j.PatternLayout
log4j.appender.CATALINA.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
log4j.appender.LOCALHOST=org.apache.log4j.DailyRollingFileAppender
log4j.appender.LOCALHOST.File=${catalina.base}/logs/localhost.log
log4j.appender.LOCALHOST.Append=true
log4j.appender.LOCALHOST.Encoding=UTF-8
log4j.appender.LOCALHOST.DatePattern='.'yyyy-MM-dd'.log'
log4j.appender.LOCALHOST.layout = org.apache.log4j.PatternLayout
log4j.appender.LOCALHOST.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
log4j.appender.MANAGER=org.apache.log4j.DailyRollingFileAppender
log4j.appender.MANAGER.File=${catalina.base}/logs/manager.log
log4j.appender.MANAGER.Append=true
log4j.appender.MANAGER.Encoding=UTF-8
log4j.appender.MANAGER.DatePattern='.'yyyy-MM-dd'.log'
log4j.appender.MANAGER.layout = org.apache.log4j.PatternLayout
log4j.appender.MANAGER.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
log4j.appender.HOST-MANAGER=org.apache.log4j.DailyRollingFileAppender
log4j.appender.HOST-MANAGER.File=${catalina.base}/logs/host-manager.log
log4j.appender.HOST-MANAGER.Append=true
log4j.appender.HOST-MANAGER.Encoding=UTF-8
log4j.appender.HOST-MANAGER.DatePattern='.'yyyy-MM-dd'.log'
log4j.appender.HOST-MANAGER.layout = org.apache.log4j.PatternLayout
log4j.appender.HOST-MANAGER.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.Encoding=UTF-8
log4j.appender.CONSOLE.layout = org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
log4j.appender.SYSLOG = org.apache.log4j.net.SyslogAppender
log4j.appender.SYSLOG.syslogHost = 127.0.0.1
log4j.appender.SYSLOG.layout = org.apache.log4j.PatternLayout
log4j.appender.SYSLOG.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
log4j.appender.SYSLOG.Facility = LOCAL0
# Configure which loggers log to which appenders
log4j.logger.org.apache.catalina.core.ContainerBase.[Catalina].[localhost]=INFO, LOCALHOST, SYSLOG
log4j.logger.org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager]=\
INFO, MANAGER, SYSLOG
log4j.logger.org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager]=\
INFO, HOST-MANAGER, SYSLOG
2.到tomcat网站下载页面的extras(http://tomcat.apache.org/download-70.cgi)部分下载JULI adapters jar和JULI log4j jar下载这两个包
下载log4j.jar(log4j-1.2.17.jar)
3.将log4j.jar和tomcat-juli-adapters.jar放入${catalina_base}/lib目录下,将tomcat-juli.jar,替换${catalina_base}/bin目录下的tomcat-juli.jar文件
4.删除conf/logging.properties
5.修改/etc/rsyslog.conf,添加如下两行
$ModLoad imudp
$UDPServerRun 514
6.重启rsyslogd
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