1. 의존성 주입 implementation 'org.bgee.log4jdbc-log4j2:log4jdbc-log4j2-jdbc4:1.16' 2. application.properties 변경 # 추가 spring.datasource.driver-class-name=net.sf.log4jdbc.sql.jdbcapi.DriverSpy # datasource url 형식 변경 [변경 전] spring.datasource.url=jdbc:mysql://localhost:3306/dictionary [변경 후] spring.datasource.url=jdbc:log4jdbc:mysql://localhost:3306/dictionary 3. log4jdbc.log4j2.properties 생성 log4jdbc.s..