Brett Meyer commented on an issue
Hibernate ORM / Bug HHH-8621
NPE in BasicConnectionCreator
A failed connection (ex: there was an issue with oracle12c's JDBC url) causes an NPE in BasicConnectionCreator#convertSqlException. DriverConnectionCreator#makeConnection calls it. JdbcServicesImpl#sqlExceptionHelper is not yet built. However, it can't be initialized until the connection and dialect are available.

Steve, if you have a chance, can yo...