[ 에러 ] Caused by: org.hibernate.HibernateException:Unable to determine Dialect without JDBC metadata(please set 'jakarta.persistence.jdbc.url' for common cases or 'hibernate.dialect' when a custom Dialect implementation must be provided) [ Solution ]application.yml에 jpa의 dialect설정 추가spring: datasource: url: jdbc:mysql://localhost:3306/your_database username: your_username password: yo..