![](https://img1.daumcdn.net/thumb/R750x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2FTBLUn%2FbtrWopqxMC1%2F4BH2XkfQo6uqyVbQUJCi31%2Fimg.png)
java Spring 잘되던 API 갑자기 CORS 오류 삽질
·
Dev/[기타]개발
스케쥴링 관련 기능이 필요해서 ScheduleService, ScheduleServiceImpl을 처음부터 만들기 귀찮아서 WorkService, WorkServiceImpl를 별 생각없이 복사 붙여넣기 후 이름을 변경하였고 개발완료후 톰캣 재시작을하는데 Access to XMLHttpRequest at 'http://localhost:8080/legalservice/company-doc?cno=40254' from origin 'http://localhost:3000' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' h..