오류메세지: HikariPool-1 - Exception during pool initialization.
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
해결: mysql 실행
오류메세지: cannot lock ref 'refs/heads/feature/noShowCnt/ye': 'refs/heads/feature/noShowCnt' exists; cannot create 'refs/heads/feature/noShowCnt/ye'
이유: 새로 생성하는 브랜치명이 비슷해서..?!
해결: 브랜치명을 다르게 함.
@Query("SELECT u FROM User u WHERE u.status = ?1")
User findUserByStatus(Integer status);
참고
백엔드 개발자