Spring Data Mongo repositories API -> insert(...) ignores @MongoId annotation with variable type and always auto-generates new ObjectId for the provided entity.
org.springframework.boot: 2.7.4 io.spring.dependency-management: 1.0.14.RELEASE
repository.insert(...) - should create an entity in Mongo DB according to the configuration & variable type of provided @MongoId annotation inputs. In case of the existance of the entity - throw org.springframework.dao.DuplicateKeyException exception.
Issue not reproduced for: io.spring.dependency-management: 1.0.13.RELEASE
@SpringBootApplication
class DemoApplication
fun main(args: Array<String>) { runApplication<DemoApplication>(*args) }
@Service
class UserService(
private val userRepository: UserRepository
) {
@PostConstruct
fun init() {
val user = User(1, "Test")
// success: Response -> id == 1, DB -> id == 1
userRepository.save(user)
// success (no error): Response -> id == 1, DB -> id == [auto-gen] new ObjectId()
userRepository.insert(user)
}
}
@Repository
interface UserRepository: MongoRepository<User, Long>
@Document
class User(
@MongoId val id: Long,
@Field val name: String
)Mongo version: 4.4.13
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