For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG' Tomcat initialized with port 8080 (http) Starting service [Tomcat] Starting Servlet engine: [Apache Tomcat/11.0.22] Root WebApplicationContext: initialization completed in 812 ms Failed to set up a Bean Validation provider: jakarta.validation.NoProviderFoundException: Unable to create a Configuration, because no Jakarta Validation provider could be found. Add a provider like Hibernate Validator (RI) to your classpath. Tomcat started on port 8080 (http) with context path '/' Started SparkStudyApplication in 1.656 seconds (process running f