# Console appender # Pattern of log message for console appender %d{yyyy-MM-dd HH:mm:ss} %p %m%n # File appender # Name of a log file log4j/target/baeldung-logback.log false # Pattern of log message for file appender %d{yyyy-MM-dd HH:mm:ss} %p %m%n # Rolling appenders target/slf4j/roll-by-size/app.log target/slf4j/roll-by-size/app.%i.log.zip 1 3 1MB 5KB %-4relative [%thread] %-5level %logger{35} - %msg%n target/slf4j/roll-by-time/app.log target/slf4j/roll-by-time/app.%d{yyyy-MM-dd-HH-mm}.log.zip 20 1MB %d{yyyy-MM-dd HH:mm:ss} %p %m%n target/slf4j/roll-by-time-and-size/app.log target/slf4j/roll-by-time-and-size/app.%d{yyyy-MM-dd-mm}.%i.log.zip 5KB 20 1MB %d{yyyy-MM-dd HH:mm:ss} %p %m%n # Override log level for specified package