How to use Log4j and MDC in Java Spring Boot Application?

Ref: https://medium.com/sipios/how-to-use-log4j-and-mdc-in-java-spring-boot-application-26b1a77f5c3e

NoRepositoryBean annotation spring boot

import org.springframework.data.repository.NoRepositoryBean;

import org.springframework.data.repository.Repository;

 

import java.io.Serializable;

import java.util.Optional;

 

@NoRepositoryBean

public interface BaseRepository<T, ID extends Serializable> extends Repository<T, ID> {

 

    Optional<T> deleteById(ID id);

}







Annotate the created interface with the @NoRepositoryBean annotation. This ensures that Spring Data JPA won’t try to create an implementation for the BaseRepository interface.