I have this domain hierarchy:
User -> EntityWithAuditDate -> Entity
Here is the domain: (simplified)
public class User : EntityWithAuditDate
{
public User(){}
public virtual string Name { get; set; }
}
public abstract class EntityWithAuditDate : Entity
{
public EntityWithAuditDate() { }
public virtual DateTime? CreatedAt { get; set; }
}
And the mapping(simplified):
<class name="User" table="Users" abstract="false">
<id name="Id" type="Int32" column="UserId">
<generator class="identity" />
</id>
<property name="Name" type="String"/>
<property name ="CreatedAt"/>
</class>
When I ran a mapping integration unit test (http://ayende.com/Blog/
archive/2006/08/09/NHibernateMappingCreatingSanityChecks.aspx), I got
this error:
----------------------------------
Tests.AltNetTime.Data.NHibernateMaps.MappingIntegrationTests.CanConfirmDatabaseMatchesMappings:
FluentNHibernate.Cfg.FluentConfigurationException : An invalid or
incomplete configuration was used while creating a SessionFactory.
Check PotentialReasons collection, and InnerException for more detail.
* Database was not configured through Database method.
----> FluentNHibernate.Cfg.FluentConfigurationException : An invalid
or incomplete configuration was used while creating a SessionFactory.
Check PotentialReasons collection, and InnerException for more detail.
* Database was not configured through Database method.
----> NHibernate.MappingException : Could not compile the mapping
document: (XmlDocument)
----> NHibernate.DuplicateMappingException : Duplicate class/entity
mapping AltNetTime.Core.User
TearDown : System.Reflection.TargetInvocationException : Exception has
been thrown by the target of an invocation.
----> System.Collections.Generic.KeyNotFoundException : The given
key was not present in the dictionary.
------------------------------------
The unit test passed if the User class inherits from Entity instead.
Also, I had to remove the CreatedAt property from the mapping file.
Apparently, there was something wrong with the EntityWithAuditDate
class. I am not sure what caused the duplicate class/entity mapping.
Any ideas?
Thanks.
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