日志类型
catalina
localhost
manager
admin
host-manager
每类日志的级别分为如下 7 种：
SEVERE (highest value) > WARNING > INFO > CONFIG > FINE > FINER > FINEST (lowest value)
tomcat每天都会在logs目录生成文件：catalina.out、catalina.Y-M-D.log、localhost.Y-M-D.log、manager.Y-M-D.log、host-manager.Y-M-D.log 可以通过修改conflogging.properties文件来改变生成log的方式。
#可配置项(5类日志)：catalina、localhost、manager、admin、host-manager
handlers = 1catalina.org.apache.juli.FileHandler, 2localhost.org.apache.juli.FileHandler,
3manager.org.apache.juli.FileHandler, 4host-manager.org.apache.juli.FileHandler, java.util.logging.ConsoleHandler
#日志输出为输出到文件和输出到控制台
.handlers = 1catalina.org.apache.juli.FileHandler, java.util.logging.ConsoleHandler
#日志输出级别：SEVERE (最高级别) > WARNING > INFO > CONFIG > FINE > FINER(精心) > FINEST (所有内容,最低级别)
#配置文件使catalina日志输出级别为FINE
1catalina.org.apache.juli.FileHandler.level = FINE
#catalina文件输出位置
1catalina.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
#catalina日志前缀为catalina
1catalina.org.apache.juli.FileHandler.prefix = catalina.
#配置文件使localhost日志输出级别为FINE
2localhost.org.apache.juli.FileHandler.level = FINE
#localhost文件输出位置
2localhost.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
#localhost日志前缀为localhost
2localhost.org.apache.juli.FileHandler.prefix = localhost.
#配置文件使manager日志输出级别为FINE
3manager.org.apache.juli.FileHandler.level = FINE
#manager文件输出位置
3manager.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
#manager日志前缀为manager
3manager.org.apache.juli.FileHandler.prefix = manager.
#配置文件使host-manager日志输出级别为FINE
4host-manager.org.apache.juli.FileHandler.level = FINE
#host-manager文件输出位置
4host-manager.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
#host-manager日志前缀为host-manager
4host-manager.org.apache.juli.FileHandler.prefix = host-manager.