Whitelabel Error Page 404 Not Found" when trying to access a JSP view. Why is that (yes, I did specify the WAR packaging) · Issue #34730 · spring -projects/spring-boot · GitHub
How to disable Spring Boot whitelabel error page?
Computer Science and on: spring: thymeleaf: There was an unexpected error (type=Not Found, status=404)
spring boot jsp 404 Whitelabel Error Page with 1.5.0 · Issue #14493 · spring -projects/spring-boot · GitHub
Mastering Spring Boot 2.0
This application has no explicit mapping for /error | SpringHow