인프런 커뮤니티 질문&답변

@SpringBootApplication
class SpringBatchTutorialApplication

fun main(args: Array<String>) {
    runApplication<SpringBatchTutorialApplication>(*args)
}

@EnableBatchProcessing 은 3.x 부터 사용하지 않습니다.

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/batchex
    username: root
    password: root123
  batch:
    job:
      names: ${job.name=NONE}
      enabled: true
    jdbc:
      initialize-schema: always
  jpa:
    show-sql: true


logging:
  level:
    org.springframework.batch: DEBUG

@Configuration
class HelloWorldJobConfig(
    private val jobRepository: JobRepository,
    private val platformTransactionManager: PlatformTransactionManager,
) {

    @Bean
    fun helloWorldJob(): Job = JobBuilder("helloWorldJob", jobRepository)
            .incrementer(RunIdIncrementer())
            .start(helloWorldStep())
            .build()

    @JobScope
    @Bean
    fun helloWorldStep() = StepBuilder("helloWorldStep", jobRepository)
        .tasklet(helloWorldTasklet(), platformTransactionManager)
        .build()

    @StepScope
    @Bean
    fun helloWorldTasklet(): Tasklet = Tasklet { contribution, context ->
        println("Hello, World from Kotlin Tasklet!")
        println("Hello, World from Kotlin Tasklet!")
        println("Hello, World from Kotlin Tasklet!")
        RepeatStatus.FINISHED
    }

}

program arguments 설정하고 실행하면 잘 될겁니다.