Consider defining a bean of type 'com.fasterxml.jackson.databind.ObjectMapper' in your configuration I know this is a sort of common question, I saw this one and a few others, what is strange to me is I have been using ObjectMapper for years now and this is the first time I am encountering this error, my code like this: import com.fasterxml.jackson.module.kotlin.* import com.fasterxml.jackson.core.* import com.fasterxml.jackson.databind.ObjectMapper...