Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured. Reason: Failed to determine a suitable driver class 프로젝트가 생성될 때 appliction.properties 파일이 자동 생성된다. ( = 즉 appliction.properties 파일에 JDBC datasource내용이 없어서 뜬 에러) *************************** APPLICATION FAILED TO START *************************** Description: Failed to configure a Data..