Tuesday, August 23, 2011

Fluent NHibernate Error

Last week I was spending some time comparing Fluent NHibernate with the new code mapping feature in NHibernate 3.2.

However, no matter what I tried, I always got the same error message. The error was happening in the CreateSessionFactory method and returned the following information:

An invalid or incomplete configuration was used while creating a SessionFactory. Check PotentialReasons collection, and InnerException for more detail.
Could not compile the mapping document: (XmlDocument)
persistent class FluentNHibernate.Model.Product, FluentNHibernate, Version=, Culture=neutral, PublicKeyToken=null not found
Could not load file or assembly 'FluentNHibernate, Version=, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference.

After losing almost all my hair, I finally discovered what caused the problem.  I had named the project FluentNHibernate and that was causing the mapping to fail. Renaming the assembly to something else fixed it.

Stupid mistake…

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