Spring Boot - Default Content Type Not Being Honored I am working on a Kotlin / Spring Boot project, and have noticed lately that direct calls to my application's REST API have returned XML-Formatted responses. For example, say I was to call localhost:8080/api/v1/config, which should return a JSON object explaining the application's configuration. Instead of JSON, I am seeing the same response, but in XML. This has not affected the Angular webapp, as OpenAPI always requests JSON in the response. However, internal integration tools would prefer...