https://jira.baeldung.com/browse/BAEL-9149 (#18390)

Author: Michaelin007

spring-boot-modules/spring-boot-basic-customization-2/src/main/resources/application.properties

@@ -3,12 +3,4 @@ sample=string loaded from properties!
 #startup time properties
 spring.main.lazy-initialization=true
 logging.level.org.springframework.boot.autoconfigure=ERROR
-spring.jmx.enabled=false
-
-#spring.banner.charset=UTF-8
-#spring.banner.location=classpath:banner.txt
-#spring.banner.image.location=classpath:banner.gif
-#spring.banner.image.width= //TODO
-#spring.banner.image.height= //TODO
-#spring.banner.image.margin= //TODO
-#spring.banner.image.invert= //TODO
+spring.jmx.enabled=false