2021. 2. 24. 13:14 ​ 오류내용 2021-02-24 12:39:34.429 WARN 22580 --- [nio-8282-exec-2] com.zaxxer.hikari.util.DriverDataSource : Registered driver with driverClassName=oracle.jdbc.driver.OracleDriver was not found, trying direct instantiation. ​ 오류수정 spring.datasource.driver-class-name=oracle.jdbc.driver.OracleDriver ↓ spring.datasource.driver-class-name=oracle.jdbc.OracleDriver ​ 오류이유 오라클9 이후부터 dri..