Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary.spring.datasource.driver-class-name=com.mysql.jdbc.Driver 이제 안쓰인다고 에러
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver 변경해서 처리 완료
java.sql.SQLException: The server time zone value 'KST' is unrecognized or represents more than one time zone.DB 타임존 설정이 맞지 않는다고 에러.
spring.datasource.url 프로퍼티 주소 끝에 ?serverTimezone=Asia/Seoul 추가해서 처리 완료
