sty 20, 2018 1:08:38 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl stop
INFO: HHH10001008: Cleaning up connection pool [jdbc:mysql://kazimierz.bialystok.pl:3306/ministrant_SBD]
sty 20, 2018 1:08:38 PM org.hibernate.engine.jdbc.connections.internal.PooledConnections close
ERROR: Connection leak detected: there are 1 unclosed connections upon shutting down pool jdbc:mysql://kazimierz.bialystok.pl:3306/ministrant_SBD
Exception in thread "main" org.hibernate.MappingException: Unknown entity: com.mest.hibernate.app.entity.Pracownik