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Troubles with configuration

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Vyacheslav

Post subject: Troubles with configuration

Posted: Mon Sep 22, 2008 10:43 am

Newbie

Joined: Thu Feb 14, 2008 4:52 pm
Posts: 3

Hi, I have troubles with NHibernate configuration.

Code shown below results with exception

Code:

System.InvalidOperationException: Could not find the dialect in the configuration
at NHibernate.Dialect.Dialect.GetDialect(IDictionary`2 props)
at NHibernate.Cfg.SettingsFactory.BuildSettings(IDictionary`2 properties)
at NHibernate.Cfg.Configuration.BuildSettings()
at NHibernate.Cfg.Configuration.BuildSessionFactory()
at DataLayer.Tests.FixtureBase.Before_each_test() in FixtureBase.cs: line 35
at DataLayer.Tests.FixtureBase.SetupContext() in FixtureBase.cs: line 19 

Code:

Configuration cfg = new Configuration();
cfg.AddAssembly("DataLayer");
ISessionFactory factory = cfg.BuildSessionFactory();
ISession session = factory.OpenSession();

When I specify Dialect via cfg.Properties.Add(...) NHibernate throws new exception

Code:

NHibernate.HibernateException: The connection.driver_class must be specified in the NHibernate configuration section.
at NHibernate.Connection.ConnectionProvider.ConfigureDriver(IDictionary`2 settings)
at NHibernate.Connection.UserSuppliedConnectionProvider.Configure(IDictionary`2 settings)
at NHibernate.Connection.ConnectionProviderFactory.NewConnectionProvider(IDictionary`2 settings)
at NHibernate.Cfg.SettingsFactory.BuildSettings(IDictionary`2 properties)
at NHibernate.Cfg.Configuration.BuildSettings()
at NHibernate.Cfg.Configuration.BuildSessionFactory()
at DataLayer.Tests.FixtureBase.Before_each_test() in FixtureBase.cs: line 35
at DataLayer.Tests.FixtureBase.SetupContext() in FixtureBase.cs: line 19 

Sources for this exception:

Code:

Configuration cfg = new Configuration();
cfg.AddAssembly("DataLayer");
cfg.Properties.Add(Environment.Dialect, "NHibernate.Dialect.SQLiteDialect");
ISessionFactory factory = cfg.BuildSessionFactory();
ISession session = factory.OpenSession();

Hibernate version: 2.0.0GA

hibernate.cfg.xml (Copy to output directory: Copy always):

Code:

<?xml version="1.0" encoding="utf-8" ?>
<hibernate-configuration xmlns="urn:nhibernate-configuration-2.2">
  <session-factory>
    <property name="connection.provider">NHibernate.Connection.DriverConnectionProvider</property>
    <property name="dialect">NHibernate.Dialect.SQLiteDialect</property>
    <property name="connection.driver_class">NHibernate.Driver.SQLite20Driver</property>
    <property name="connection.connection_string">Data Source=:memory:;Version=3;New=True;</property>
    <property name="connection.release_mode">on_close</property>

    <property name="show_sql">true</property>
  </session-factory>
</hibernate-configuration>

SQLite version: 1.0.58.0

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Vyacheslav

Post subject:

Posted: Mon Sep 22, 2008 11:12 am

Newbie

Joined: Thu Feb 14, 2008 4:52 pm
Posts: 3

Such solution works fine:

Code:

Dictionary<string, string> properties = new Dictionary<string, string>();
properties.Add("connection.provider", "NHibernate.Connection.DriverConnectionProvider");
properties.Add("dialect", "NHibernate.Dialect.SQLiteDialect");
properties.Add("connection.driver_class", "NHibernate.Driver.SQLite20Driver");
properties.Add("connection.connection_string", "Data Source=:memory:;Version=3;New=True;");
properties.Add("connection.release_mode", "on_close");

Configuration cfg = new Configuration();
cfg.Properties = properties;
ISessionFactory factory = cfg.BuildSessionFactory();
Session = factory.OpenSession();

But I still don't understand why hibernate.cfg.xml didn't work properly (T_T)

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Vyacheslav

Post subject:

Posted: Tue Sep 23, 2008 3:44 am

Newbie

Joined: Thu Feb 14, 2008 4:52 pm
Posts: 3

Solution for this problem is App.conf with such content:

Code:

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <configSections>
    <section name="hibernate-configuration" type="NHibernate.Cfg.ConfigurationSectionHandler, NHibernate"/>
  </configSections>
  <hibernate-configuration xmlns="urn:nhibernate-configuration-2.2">
    <session-factory>
      <property name="connection.provider">NHibernate.Connection.DriverConnectionProvider</property>
      <property name="dialect">NHibernate.Dialect.SQLiteDialect</property>
      <property name="connection.driver_class">NHibernate.Driver.SQLite20Driver</property>
      <property name="connection.connection_string">Data Source=:memory:;Version=3;New=True;</property>
      <property name="connection.release_mode">on_close</property>

      <property name="show_sql">true</property>
    </session-factory>
  </hibernate-configuration>
</configuration>

This problem cased by Dialect class wich asks Environment class for current configured Dialect. Environment class uses App.conf/Web.conf for load configuration by itself.

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