I'm trying to set up an application where all the persistence classes and xml mapping documents live in a common project, separate from the domain layer. When I try and Add the assembly I receive the following exception:

Configuration config = new Configuration();
config.AddAssembly("Common.Tools"); <-- Exception thrown on this line in my code.

First exception is this: e = {"Could not compile the mapping document: Common.Tools.Entities.Device.hbm.xml"}

The inner exception is this: InnerException = {"persistent class Common.Tools.Entities.Site, Common.Tools.Entities not found"}

The next inner exception is this: InnerException = {"Could not load file or assembly 'Common.Tools.Entities' or one of its dependencies. The system cannot find the file specified.":"Common.Tools.Entities"}

The files actually live under Common.Tools in a folder called Entities but when I and add the "Common.Tools.Entities" assembly I receive the following exception:

[NHibernate.MappingException] = {"Could not add assembly Common.Tools.Entities"}

InnerException = {"Could not load file or assembly Common.Tools.Entities' or one of its dependencies. The system cannot find the file specified.":"Common.Tools.Entities"}

I think I have all my project references correct but I'm not ruling anything out at this point. It appears that I make it further when I try and add "Common.Tools" but since my mapping files reference Common.Tools.Entities it makes it to the file and then fails. Here's a copy of my XML file:

<hibernate-mapping default-cascade="none" xmlns="urn:nhibernate-mapping-2.2">
<class name="Common.Tools.Entities.Device, Common.Tools.Entities" table="Device">
<id name="DeviceId" type="System.Guid" column="DeviceId" unsaved-value="00000000-0000-0000-0000-000000000000">
<generator class="guid" />
</id>
<property name="Name" type="System.String" column="Name" not-null="true" length="50" />
<property name="ActiveInd" type="System.Boolean" column="ActiveInd" not-null="true" />
<many-to-one name="DeviceTypeLookup" class="Common.Tools.Entities.DeviceTypeLookup, Common.Tools.Entities" fetch="select">
<column name="DeviceTypeCode" not-null="true" />
</many-to-one>

</class>
</hibernate-mapping>

I've search and tried just about everything I've read here on the forums but I'm new to NHibernate (I'm actually trying to do a prototype for an upcoming winform project) so please bear with me.

Hi Marc,

Just a thought, but if the assembly is "Common.Tools.dll", then perhaps the line


should be changed to



Richard

Richard, thank you very much!

I made the change and it works. I appreciate your help.

I am facing a problem which says :


System.Collections.Generic.KeyNotFoundException:The given key was not present in the dictionary

Could anyone know how to resolve this kind of issue.

Thanks in advance