This sample project uses Spring Boot DevTools to hot swap (or hot reload) the application when artifacts are updated. To run with support for hot swap properly, use the dev profile as follows: mvn spring-boot:run -Dspring-boot.run.profiles=dev Check the dev profile configuration in application-dev.properties file. You may also enable an LiveReload extension in your browser for more convenience. #### This sample project is based on the excellent article found at below given URL: https://medium.com/@AlexanderObregon/handling-form-submissions-with-spring-boot-using-thymeleaf-30dd41dda76d