i'm proceeding with test but i always get the same error.
this is the stacktrace
in NHibernate.Connection.ConnectionProvider.ConfigureDriver(IDictionary settings) in c:\net\nhibernate\nhibernate\src\NHibernate\Connection\ConnectionProvider.cs:riga 84
in NHibernate.Connection.ConnectionProvider.Configure(IDictionary settings) in c:\net\nhibernate\nhibernate\src\NHibernate\Connection\ConnectionProvider.cs:riga 56
in NHibernate.Connection.ConnectionProviderFactory.NewConnectionProvider(IDictionary settings) in c:\net\nhibernate\nhibernate\src\NHibernate\Connection\ConnectionProviderFactory.cs:riga 50
in NHibernate.Cfg.SettingsFactory.BuildSettings(IDictionary properties) in c:\net\nhibernate\nhibernate\src\NHibernate\Cfg\SettingsFactory.cs:riga 61
in NHibernate.Cfg.Configuration.BuildSettings() in c:\net\nhibernate\nhibernate\src\NHibernate\Cfg\Configuration.cs:riga 1485
in NHibernate.Cfg.Configuration.BuildSessionFactory() in c:\net\nhibernate\nhibernate\src\NHibernate\Cfg\Configuration.cs:riga 1000
in RuredilManager.SessionHelper..cctor() in C:\Documents and Settings\luke\Desktop\RuredilManager\RuredilManager\NHibernate mapping\SessionHelper.cs:riga 21