4.0.0 org.springframework.boot spring-boot-starters ${revision} spring-boot-starter-logging Spring Boot Logging Starter Starter for logging using Logback. Default logging starter ${basedir}/../../.. ch.qos.logback logback-classic org.apache.logging.log4j log4j-to-slf4j org.slf4j jul-to-slf4j org.slf4j log4j-over-slf4j