WARN HHH000342 Could not obtain connection to query metadatajavalangIllegalStateException Cannot get a connection as the driver manager is not properly initialized at orghibernateenginejdbcconnections

This error message indicates that there was a problem obtaining a connection to query metadata in the database. The driver manager was not properly initialized, which prevented the system from getting a connection. This could be due to a configuration issue or a problem with the database server. The error message also suggests that there was a communication failure with the database server, which may have caused the connection issue. It is recommended to check the database configuration and network connectivity to resolve this issue