Spring Boot application.properties value not populating

Question

I have a very simple Spring Boot app that I\'m trying to get working with some externalised configuration. I\'ve tried to follow the information on the spring boot documenta

Answer 1

This answer may or may not be applicable to your case ... Once I had a similar symptom and I double checked my code many times and all looked good but the @Value setting was still not taking effect. And then after doing File > Invalidate Cache / Restart with my IntelliJ (my IDE), the problem went away ...

This is very easy to try so may be worth a shot