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PONHibernate unable to load assemblies (NHibernate.ByteCode.Castle and BusinessLogic) from GAC
 

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  1. PONHibernate unable to load assemblies (NHibernate.ByteCode.Castle and BusinessLogic) from GAC
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    <p>I was lookin all over the internet for this particular problem of mine. I found some suggested solutions but they don't work.</p> <p>Here is the setup:</p> <p>I am using ActiveRecord/NHibernate. I created an assembly wrapping ActiveRecord called the BusinessLogic. The idea is that all my projects should use the BusinessLogic instead of referencing ActiveRecord/NHibernate directly.</p> <p>I installed the following files in the GAC (Global Assembly Cache of .NET):</p> <ul> <li>Antlr3.Runtime.dll BusinessLogic.dll</li> <li>BusinessLogic.dll</li> <li>Castle.ActiveRecord.dll</li> <li>Castle.Components.Validator.dll</li> <li>Castle.Core.dll</li> <li>Castle.DynamicProxy2.dll</li> <li>Iesi.Collections.dll log4net.dll</li> <li>NHibernate.ByteCode.Castle.dll</li> <li>NHibernate.dll</li> </ul> <p>The Problem is the following: When I execute my ASP.NET application that reads product information from the database I get the following error message:</p> <pre><code>Unable to load type 'NHibernate.ByteCode.Castle.ProxyFactoryFactory, NHibernate.ByteCode.Castle' during configuration of proxy factory class. Possible causes are: - The NHibernate.Bytecode provider assembly was not deployed. - The typeName used to initialize the 'proxyfactory.factory_class' property of the session-factory section is not well formed. </code></pre> <p>If I put a local copy of NHibernate.ByteCode.Castle.dll into the bin folder of the ASP.NET application the error is gone. But a new error shows up. It says that NHibernate cannot find the classes within the BusinessLogic.dll (e.g. Product and so on).</p> <p>If I put a local copy of BusinessLogic.dll into the bin folder of the ASP.NET application even this error is fixed and the application runs great.</p> <p>This however is not desired, because I don't want to recompile every application using the BusinessLogic, whenever the BusinessLogic is updated.</p> <p>I found this article that promised to be helpful: <a href="http://markmail.org/message/o22r2x5fng7i6jn5#query:activerecord%20gac+page:1+mid:4rlqoicqyxjh3ypb+state:results" rel="nofollow noreferrer">http://markmail.org/message/o22r2x5fng7i6jn5#query:activerecord%20gac+page:1+mid:4rlqoicqyxjh3ypb+state:results</a></p> <p>Unfortunately this does not solve the problem.</p> <p>I put the following into the machine.config file:</p> <pre><code>&lt;runtime&gt; &lt;assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"&gt; &lt;qualifyAssembly partialName="NHibernate.ByteCode.Castle" fullName="NHibernate.ByteCode.Castle,version=2.1.2.4000,publicKeyToken=aa95f207798dfdb4,culture=neutral" /&gt; &lt;/assemblyBinding&gt; &lt;/runtime&gt; </code></pre> <p>The error is still the same. NHibernate cannot find the class NHibernate.ByteCode.Castle.ProxyFactoryFactory</p> <p>Any help is much appreciated.</p>
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    1. USJenny O'Reilly
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    1. COWhy did you put them in the GAC to begin with...
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      1. USPhill
    2. COBecause it is used by almost all of our applications. It seemed to be a good solution. Lesson learned: Only put something into the GAC when it is finished. Keeping track of different versions in the GAC is a bloody hell.
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      1. USJenny O'Reilly
 

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