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C# .NET FileNotFoundException - Could not load ... Oracle.DataAccess

711096Apr 22 2010 — edited Apr 22 2010

Problem: Immediately after starting my C# app under VS2005 a System.IO.FileNotFoundException is thrown with the description:

*{"Could not load file or assembly 'Oracle.DataAccess, Version=2.102.2.20, Culture=neutral, PublicKeyToken=89b483f429c47342' or one of its dependencies. The system cannot find the file specified.":"Oracle.DataAccess, Version=2.102.2.20, Culture=neutral, PublicKeyToken=89b483f429c47342"}*

My Environment:

PC OS = Windows 7 x64
Dev Host = Windows 7 XP Mode (Windows XP SP3 running under MS VirtualPC)

Installed under XP Mode:
- Dev Environ = Visual Studio 2005 Pro SP1
- Oracle Client = 10gR2 10.2.0.1.0 + Patch Set 1 10.2.0.2.0 + Patch Set 3 10.2.0.4.0
- ODAC = 10.2.0.2.21

I have already changed my VS2005 C# projects so that the DLL assembly and the app are explicitly built for the x86 platform.

The project's Oracle.DataAccess Reference is to Version *2.102.2.20*, with Path C:\oracle\product\10.2.0\client_2\odp.net\bin\2.x\Oracle.DataAccess.dll and with Copy Local = False. This DLL file exists and is the correct version.

As expected/desired, my PATH environment variable starts with:

Path=C:\oracle\product\10.2.0\client_2\bin;C:\oracle\product\10.2.0\client_1\bin;C:\WINDOWS\system32;...

My Registry HKLM\SOFTWARE\ORACLE\ODP.NET\2.102.2.20\DllPath = C:\oracle\product\10.2.0\client_2\bin

--
Alex

Edited by: AlexMadarasz on Apr 22, 2010 8:35 AM

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Locked on May 20 2010

Added on Apr 22 2010

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