Spring and Spring Boot depend on the Commons Logging API. They are not dependent on any other logging frameworks. Spring Boot provides starters to simplify the configuration of specific logging frameworks.
Starter spring-boot-starter-logging is all that you need to use the Logback framework. This dependency is the default logging included in most of the starters, including spring-boot-starter-web. The dependency is shown as follows:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</dependency>The following snippet shows logback and related dependencies included in spring-boot-starter-logging:
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j<...