Spring Boot uses Apache Commons Logging for internal logging, but if you are including dependencies with starters, Logback will be used by default in your application. It doesn't inhibit the possibility of using other logging frameworks in any way. The default configurations are also provided for Java Util Logging, Log4J2, and SLF4J. Logging settings may be configured in the application.yml file with logging.* properties. The default log output contains the date and time in milliseconds, log level, process ID, thread name, the full name of the class that has emitted the entry, and the message. It may be overridden by using the logging.pattern.console and logging.pattern.file properties respectively for the console and file appenders.
By default, Spring Boot only logs on to a console. In order to allow the writing of log files in addition to a console output, you should set a logging.file or logging.path property. If you specify the logging.file property, the logs...