Spring Boot uses https://commons.apache.org/logging[Commons Logging] for all internal logging but leaves the underlying log implementation open.
Spring Boot uses https://commons.apache.org/logging[Commons Logging] for all internal logging but leaves the underlying log implementation open.
Default configurations are provided for {java-api}/java/util/logging/package-summary.html[Java Util Logging], https://logging.apache.org/log4j/2.x/[Log4j2], and https://logback.qos.ch/[Logback].
Default configurations are provided for {java-api}/java.logging/java/util/logging/package-summary.html[Java Util Logging], https://logging.apache.org/log4j/2.x/[Log4j2], and https://logback.qos.ch/[Logback].
In each case, loggers are pre-configured to use console output with optional file output also available.
In each case, loggers are pre-configured to use console output with optional file output also available.
By default, if you use the "`Starters`", Logback is used for logging.
By default, if you use the "`Starters`", Logback is used for logging.