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springspring-bootspring-dataspring-data-jpa

Spring data repository works without annotations

I'm using Spring Data JPA repositories (like MyRepo extends JpaRepository) and it works without @Repository and without @EnableJpaRepositories annotations. Could someone explain why?

Solution

  • Probably you are using Spring Boot.

    Spring Data repositories usually extend from the Repository or CrudRepository interfaces. If you use auto-configuration, repositories are searched from the package containing your main configuration class (the one annotated with @EnableAutoConfiguration or @SpringBootApplication) down.

    Please check the Spring Boot Reference Documentation (v2.7.2) for more details.