org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction; nested exception is org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection (1) 썸네일형 리스트형 [SQLNonTransientConnectionException] Could not create connection to database server. Attempted reconnect 3 times. Giving up. 다중 db 를 연결하는 스프링 부트 프로젝트인데 db 정보를 3 개까지 연결할 때는 아무런 이상 없이 잘 도착했습니다. 근데 네번째 db 를 연결하는 순간 아래와 같은 에러가 발생했습니다. java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up. ... The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. ... org.springframework.tr.. 이전 1 다음
