MyBatis MyBatis 사용전 설정 build.gradle dependencies 추가 implementation 'org.mybatis.spring.boot:mybatis-spring-boot-starter:3.0.3' testImplementation 'org.mybatis.spring.boot:mybatis-spring-boot-starter-test:3.0.3' implementation 'org.bgee.log4jdbc-log4j2:log4jdbc-log4j2-jdbc4.1:1.16' application.properties 수정 추가 # mybatis mybatis.mapper-locations=classpath:mybatis/mapper/**/**.xml mybatis.configura..