非常简单的log4j2属性配置文件使用控制台和滚动文件Appender

Question

我想使用可以使用不同应用程序使用的log4j2 log4j2属性文件配置和滚动文件appender。日志配置应在生产环境中旋转日志。

Answer 1

我认为没有这种行业标准来记录或log4j2配置。每个人都根据应用程序的需要更改配置。

以下是一个示例log4j2配置文件，具有ConsoleAppender和RollingFileAppender-

status = warn
name= properties_configuration
# Give directory path where log files should get stored
property.basePath = ./log/
# ConsoleAppender will print logs on console
appender.console.type = Console
appender.console.name = consoleLogger
appender.console.target = SYSTEM_OUT
appender.console.layout.type = PatternLayout
# Specify the pattern of the logs
appender.console.layout.pattern = %d{yyyy-MM-dd HH:mm:ss.SSS} %level [%t] [%c] [%M] [%l] - %msg%n

# RollingFileAppender will print logs in file which can be rotated based on time or size
appender.rolling.type = RollingFile
appender.rolling.name = fileLogger
appender.rolling.fileName= ${basePath}app.log
appender.rolling.filePattern= ${basePath}app_%d{yyyyMMdd}.log.gz
appender.rolling.layout.type = PatternLayout
appender.rolling.layout.pattern = %d{yyyy-MM-dd HH:mm:ss.SSS} %level [%t] [%c] [%M] [%l] - %msg%n
appender.rolling.policies.type = Policies
# Rotate log file each day and keep 30 days worth
appender.rolling.policies.time.type = TimeBasedTriggeringPolicy
appender.rolling.policies.time.interval = 1
appender.rolling.policies.time.modulate = true
appender.rolling.strategy.type = DefaultRolloverStrategy
appender.rolling.strategy.delete.type = Delete
appender.rolling.strategy.delete.basePath = ${basePath}
appender.rolling.strategy.delete.maxDepth = 1
appender.rolling.strategy.delete.ifLastModified.type = IfLastModified
# Delete files older than 30 days
appender.rolling.strategy.delete.ifLastModified.age = 30d
# Mention package name here in place of example. Classes in this package or subpackages will use ConsoleAppender and RollingFileAppender for logging         
logger.example.name = example
logger.example.level = debug
logger.example.additivity = false
logger.example.appenderRef.rolling.ref = fileLogger
logger.example.appenderRef.console.ref = consoleLogger
# Configure root logger for logging error logs in classes which are in package other than above specified package
rootLogger.level = error
rootLogger.additivity = false
rootLogger.appenderRef.rolling.ref = fileLogger
rootLogger.appenderRef.console.ref = consoleLogger

Answer 2

Try this out:
# Declare loggers
name=LoggingConfig
appenders=a_console, a_rolling
rootLogger.level=info
rootLogger.appenderRefs=ar_console,ar_rolling
rootLogger.appenderRef.ar_console.ref=StdoutAppender
rootLogger.appenderRef.ar_rolling.ref=DailyRollingAppender
# Console logger
appender.a_console.type=Console
appender.a_console.name=StdoutAppender
appender.a_console.layout.type=PatternLayout
appender.a_console.layout.pattern=%d{ISO8601} [%t] %-5p (%F:%L) - %m%n
# File logger
appender.a_rolling.type=RollingFile
appender.a_rolling.name=DailyRollingAppender
appender.a_rolling.layout.pattern=%d{ISO8601} [%t] %-5p (%F:%L) - %m%n
appender.a_rolling.fileName=log4j2-sample.log
appender.a_rolling.filePattern=log4j2-sample-%d{yyyy-MM-dd}.log
appender.a_rolling.layout.type=PatternLayout
appender.a_rolling.policies.type=Policies
appender.a_rolling.policies.time.type=TimeBasedTriggeringPolicy
appender.a_rolling.policies.time.interval=1

Answer 3

这是最简单的配置，如果您只需要使用Console Appender。

name=config
appenders=console
appender.console.type=Console
appender.console.name=STDOUT
appender.console.layout.type=PatternLayout
#appender.console.layout.pattern =%d{HH:mm:ss} [%t] %c{1} [%-5level] - %msg%n
appender.console.layout.pattern=%d{dd-MM-yyyy HH:mm:ss} [%-5p] (%F:%L) - %m%n
rootLogger.level=info
rootLogger.appenderRefs=stdout
rootLogger.appenderRef.stdout.ref=STDOUT
#if you want to make package specific configuration
#logger.org.apache=warn