repository에서 jdbcMemberRepository를 JdbcTemplateMemberRepository로 변경 짧으니까 보면서 하던지 외우던지 해야 할듯... public class JdbcTemplateMemberRepository implements MemberRepository{ private final JdbcTemplate jdbcTemplate; @Autowired public JdbcTemplateMemberRepository(DataSource dataSource) { this.jdbcTemplate = new JdbcTemplate(dataSource); } @Override public Long save(Member member) throws ClassNotFoundExcep..