Spring reactive @Transactional not working

Question

I don't understand why @Transactional doesn't work in reactive. After saving to the repository, I throw an error. But the data still appears in the database. Spring v 5.3.10

My controller

    @GetMapping("/test/save")
    fun saveListNotification(): Flux<Notification> {
        return service.saveListNotification(listOf(
            ...
        ))
    }

My service

    @Transactional
    fun saveListNotification(listOf: List<Notification>): Flux<Notification> {
        return Flux.fromIterable(listOf)
            .flatMap { notificationRepository.save(it) }
            .doOnNext {
                if (it.rawJsonHash.equals("4")) throw Exception()
            }
    }

My repository

interface NotificationRepository : ReactiveCrudRepository<Notification?, UUID?>

Answer 1

I solved my problem change on the @Transactional(rollbackFor = [Exception::class]) Because @Transactional default will be rolling back on RuntimeException and Error