A simple log4j2.properties example, just for self-reference
P.S Tested with Log4j 2.11.2
src/resources/log4j2.properties
status = warn
appender.console.type = Console
appender.console.name = LogToConsole
appender.console.layout.type = PatternLayout
appender.console.layout.pattern = [%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %c{1} - %msg%n
#appender.file.type = File
#appender.file.name = LogToFile
#appender.file.fileName=logs/app.log
#appender.file.layout.type=PatternLayout
#appender.file.layout.pattern=[%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %c{1} - %msg%n
# Rotate log file
appender.rolling.type = RollingFile
appender.rolling.name = LogToRollingFile
appender.rolling.fileName = logs/app.log
appender.rolling.filePattern = logs/$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz
appender.rolling.layout.type = PatternLayout
appender.rolling.layout.pattern = %d %p %C{1.} [%t] %m%n
appender.rolling.policies.type = Policies
appender.rolling.policies.time.type = TimeBasedTriggeringPolicy
appender.rolling.policies.size.type = SizeBasedTriggeringPolicy
appender.rolling.policies.size.size=10MB
appender.rolling.strategy.type = DefaultRolloverStrategy
appender.rolling.strategy.max = 10
# Log to console and rolling file
logger.app.name = com.mkyong
logger.app.level = debug
logger.app.additivity = false
logger.app.appenderRef.rolling.ref = LogToRollingFile
logger.app.appenderRef.console.ref = LogToConsole
rootLogger.level = info
rootLogger.appenderRef.stdout.ref = LogToConsole
Download Source Code
$ git clone https://github.com/mkyong/java-logging.git
$ cd log4j2
$ cd log4j2
If you’re using Maven I believe log4j2.properties will go into src/main/resources folder…
in console its printing but the file is not generated
hello, Could yo hhelp me please, i set mi version into properties section of my pom
<log4j2.version>2.19.0</log4j2.version>
And config the log4j2.properties, when i lounch the api it generate the app.log but the file is empty. 0Kb, ¿what could be wrong? thanks in advance
did you resolve it ? I’m facing the same issue
How do we define “app” in logger.app.name
properties file doesn’t work, just creates a blank log
I’m Conor and I’ll check it.
Hey buddy! is it working properly in your project?
It’s work, It’s actually working.
I’m using Log4j latest version