Javax validations not invoked upon save


I am using {Gradle + Spring Boot 2.0.0.M3 + ReactiveCouchbaseRepository} for database operations in my project.

The problem I noticed during my functional tests is that the beans with invalid data gets past the javax validations and get saved in the database. I have rechecked to include mentioned dependencies as per couchbase doc for validation. Still no luck!

Has it got anything to do with me using Reactive version of the repository?