Caused by: org.springframework.batch.core.repository.JobInstanceAlreadyCompleteException: A job instance already exists and is complete for parameters={-spring.output.ansi.enabled=always}. If you want to run this job again, change the parameters.

* 원인 : metadata (JobRepository) 가 중복되어서 에러

* 조치 : parameter 를 넘겨서 처리한다

jojoldu.tistory.com/326