log4j 2 log4j2.properties 설정 옵션

https://howtodoinjava.com/log4j2/log4j2-properties-example/

https://www.logicbig.com/tutorials/misc/java-logging/slf4j-with-log4j2.html

https://logging.apache.org/log4j/2.x/manual/configuration.html

https://howtodoinjava.com/log4j2/log4j2-rollingfileappender-example/

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log4j 2로 바꿧는데, console 에는 찍히는데 파일에는 안찍힐 경우.

https://stackoverflow.com/questions/37362920/log4j2-does-not-write-to-file

name = PropertiesConfig
property.filename = logs/example.log     

appenders = console, rolling
appender.console.type = Console
appender.console.name = STDOUT
appender.console.layout.type = PatternLayout
appender.console.layout.pattern = %d{dd.MM.yyyy HH:mm:ss,SSS} %-5p %c{1}:%L - %m%n

appender.rolling.type = RollingFile
appender.rolling.name = roll
appender.rolling.fileName = ${filename}
appender.rolling.filePattern = logs/app/%d{MM-dd-yy-HH-mm-ss}-%i.log.gz
appender.rolling.layout.type = PatternLayout
appender.rolling.layout.pattern = %d{dd.MM.yyyy HH:mm:ss,SSS} %-5p %c{1}:%L - %m%n
appender.rolling.policies.type = Policies
appender.rolling.policies.time.type = TimeBasedTriggeringPolicy
appender.rolling.policies.time.interval = 2
appender.rolling.policies.time.modulate = true
appender.rolling.policies.size.type = SizeBasedTriggeringPolicy
appender.rolling.policies.size.size=100MB
appender.rolling.strategy.type = DefaultRolloverStrategy
appender.rolling.strategy.max = 5

loggers = rolling

logger.rolling.name = org.apache.logging.log4j.core.appender.rolling
logger.rolling.level = all
logger.rolling.additivity = true
logger.rolling.appenderRefs = rolling
logger.rolling.appenderRef.rolling.ref = roll

rootLogger.level = all
rootLogger.appenderRefs = rolling, stdout
rootLogger.appenderRef.rolling.ref = roll
rootLogger.appenderRef.stdout.ref = STDOUT