package com.baeldung.testloglevel; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import com.baeldung.component.OtherComponent; @RestController public class TestLogLevelController { private static final Logger LOG = LoggerFactory.getLogger(TestLogLevelController.class); @Autowired private OtherComponent otherComponent; @GetMapping("/testLogLevel") public String testLogLevel() { LOG.trace("This is a TRACE log"); LOG.debug("This is a DEBUG log"); LOG.info("This is an INFO log"); LOG.error("This is an ERROR log"); otherComponent.processData(); return "Added some log output to console..."; } }