Oracle provider Oracle.DataAccess not find. Version - ODAC 2.112.2.0

Hello,
I need help.
I have an web application ASP.NET, C# with access to the database Oracle by ODAC.
I am using VS 2008 on 64 OS
I downloaded the ODAC112021Xcopy_x64 version and installed it.
I see the dll's in C:\Windows\assembly.
When I add refrence I see the assemblies are added in the web.config file .
But when I build the application it gives me the following error:
Could not load file or assembly 'Oracle.Web, Version=2.112.2.0, Culture=neutral, PublicKeyToken=89b483f429c47342' or one of its dependencies. The system cannot find the file specified.
My build configuration is set on any cpu.
Can someone please help me. Im am troubleshooting this error for about 3 days already.
I really need some help.
Thanks

Visual Studio is 32-bit application (including Cassini - local web development server) and can't use 64-bit provider. Install x86 version. You can use x64 version with IIS.

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    So, to answer your question, 11203 odac bundle contains 11203 odp.net (2.x and 4.x versions)
    Usually the version of ODAC bundle is the same as the version of ODP.NET included with it (not in the case of 11.2.0.3.20 ODAC though, which includes a newer version of 11.2.0.3.0 ODP.NET)
    Hope it helps,
    Greg

  • 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

    Server Error in '/' Application.
    Configuration Error 
    Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. 
    Parser Error Message: 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.
    Source Error: 
    Line 31: <compilation debug="true">
    Line 32: <assemblies>
    Line 33: <add assembly="Oracle.DataAccess, Version=2.102.2.20, Culture=neutral, PublicKeyToken=89B483F429C47342" />
    Line 34: <add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
    Line 35: <add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
    Source File: D:\AverySignatureBinders\httpsdocs\ASBNet\web.config    Line: 33 
    Assembly Load Trace: The following information can be helpful to determine why the assembly 'Oracle.DataAccess, Version=2.102.2.20, Culture=neutral, PublicKeyToken=89b483f429c47342' could not be loaded.
    WRN: Assembly binding logging is turned OFF.
    To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1.
    Note: There is some performance penalty associated with assembly bind failure logging.
    To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].

    For Adapter Pack 2013 the following Oracle Client(s) are needed:
    Supported client versions: Oracle Data Access Components for Oracle Client 12.1, Oracle Data Access Components for Oracle Client 11.2.0.1
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    Morten la Cour

  • Could not load file or assembly 'Oracle.DataAccess, Version=2.121.1.0, Culture=neutral, PublicKeyToken=89b483f429c47342' or one of its dependencies. The system cannot find the file specified.

    Hi All,
    While trying to access oracle database from SharePoint facing "Could not load file or assembly 'Oracle.DataAccess, Version=2.121.1.0, Culture=neutral, PublicKeyToken=89b483f429c47342' or one of its dependencies. The system cannot find the file specified."
    How to fix this issue?  Thanks in advance!

    Hi,
    According to your post, my understanding is that you get error while access oracle database in SharePoint.
    You can set “Enable 32-bit Applications” to true in the application pool for the web application, then check whether it works.
    For more information:
    https://www.learningpenguin.net/myblog/2014/02/03/could-not-load-file-or-assembly-oracle-dataaccess-or-one-of-its-dependencies-an-attempt-was-made-to-load-a-program-with-an-incorrect-format/
    Thanks & Regards,
    Jason
    Jason Guo
    TechNet Community Support

  • Provider not compatible version of Oracle client after upgrade 4.112.1.2

    I had an ASP.NET 3.5 website running
    on intranet small business server as production with:
    OS Win2008 Standard 32-bit
    Oracle Database 11g107 32-bit
    Oracle DataAccess 2.111.60 32-bit
    On a development laptop,
    I upgraded the website to ASP.NET 4.0.
    The development laptop had
    OS Windows 7 32-bit
    VS 2010
    Oracle Database 11g201 32-bit
    Oracle DataAccess 4.112.12
    Application was running without errors.
    On the production server,
    I uninstalled Oracle Database 11g107,
    to include removing Oracle home and install folders,
    and in HKLM > Software > Oracle registry folder.
    I installed Oracle Database 11g201
    and installed the ODP.NET upgrade to 4.112.12.
    (except for VS components).
    In the website web.config,
    I changed the referenced assembly to:
    <assemblies>
         <add assembly="Oracle.DataAccess, Version=4.112.1.2, Culture=neutral, PublicKeyToken=89b483f429c47342" />
    I changed IIS70 Application pool advanced settings to ASP.NET 4.0,
    restarting application pool and website.
    Rebooted system.
    On starting the application when it accesses the Oracle connection,
    I get the dreaded: Provider not compatible.
    Exception Details: Oracle.DataAccess.Client.OracleException: The provider is not compatible with the version of Oracle client
    Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
    Stack Trace:
    [OracleException (0x80004005): The provider is not compatible with the version of Oracle client]
    Oracle.DataAccess.Client.OracleInit.Initialize() +433
    Oracle.DataAccess.Client.OracleConnection..cctor() +844
    It is not the VB.NET Oracle connection code,
    as it runs fine on the development laptop.
    So I look into the GAC.
    GACUTIL /l shows 2.111.60 is still in the .NET
    The Global Assembly Cache contains the following assemblies:
    Oracle.DataAccess, Version=1.111.6.0, Culture=neutral, PublicKeyToken=89b483f429c47342
    Oracle.DataAccess, Version=2.111.6.0, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Oracle.DataAccess, Version=2.112.1.0, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Oracle.DataAccess, Version=2.112.1.2, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Oracle.DataAccess, Version=4.112.1.2, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Oracle.Database.Extensions, Version=1.111.6.0, Culture=neutral, PublicKeyToken=89b483f429c47342
    Oracle.Database.Extensions, Version=2.112.1.0, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Oracle.Database.Extensions, Version=2.112.1.2, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Oracle.Database.Extensions, Version=4.112.1.2, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Oracle.Web, Version=2.112.1.0, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Oracle.Web, Version=2.112.1.2, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Policy.2.102.Oracle.DataAccess, Version=2.112.1.2, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Policy.2.111.Oracle.DataAccess, Version=2.112.1.2, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Policy.2.111.Oracle.Web, Version=2.112.1.2, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Policy.2.112.Oracle.DataAccess, Version=2.112.1.2, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Policy.2.112.Oracle.Web, Version=2.112.1.2, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=x86
    Is there a command I need to run to remove the old 111.6.0 Oracle client references from GAC?
    Eventhough Oracle ODP.NET installer put a policy to refer the older version to the new?

    In
    C:\Program Files\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0
    and in
    C:\Windows\Microsoft.NET\Framework\v4.0.30319
    There is only SYSTEM.DATA.ORACLECLIENT
    I suspect that we would not see Oracle.DataAccess.dll in these locations anyway.
    ++++++++
    In
    C:\Windows\assembly
    There is:
    Oracle.DataAccess 2.112.1.2
    Oracle.Database.Extensions 2.112.1.2
    Oracle.Web 2.112.1.2
    This is the GAC for ASP.NET 2.0-3.5,
    so this appears to be correct
    ++++++++
    In
    C:\Windows\Microsoft.NET\assembly\GAC_32
    There is:
    C:\Windows\Microsoft.NET\assembly\GAC_32\Oracle.DataAccess\v4.0_4.112.1.2__89b483f429c47342
    C:\Windows\Microsoft.NET\assembly\GAC_32\Oracle.Database.Extensions\v4.0_4.112.1.2__89b483f429c47342
    C:\Windows\Microsoft.NET\assembly\GAC_32\Oracle.Web\v4.0_4.112.1.2__89b483f429c47342
    with the appropriate 4.112.1.2 dlls in these folders
    This is the GAC for ASP.NET 4.0,
    so this appears to be correct.
    +++++++
    In
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\Machine.config
    Removed Oracle Providers references, I just need ODAC to update and insert data into schema data tables,
    and do not use the ASP.NET Oracle Providers schema.
    Should I need ASP.NET Oracle Providers schema, I can always add references in the application web.config.
    <system.data>
    <DbProviderFactories>
    <add name="Microsoft SQL Server Compact Data Provider" invariant="System.Data.SqlServerCe.3.5" description=".NET Framework Data Provider for Microsoft SQL Server Compact" type="System.Data.SqlServerCe.SqlCeProviderFactory, System.Data.SqlServerCe, Version=3.5.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91"/></DbProviderFactories>
    </system.data>
    <membership>
    <providers>
    <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" connectionStringName="LocalSqlServer" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="true" applicationName="/" requiresUniqueEmail="false" passwordFormat="Hashed" maxInvalidPasswordAttempts="5" minRequiredPasswordLength="7" minRequiredNonalphanumericCharacters="1" passwordAttemptWindow="10" passwordStrengthRegularExpression=""/>
    </providers>
    </membership>
    <profile>
    <providers>
    <add name="AspNetSqlProfileProvider" connectionStringName="LocalSqlServer" applicationName="/" type="System.Web.Profile.SqlProfileProvider, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
    </providers>
    </profile>
    <roleManager>
    <providers>
    <add name="AspNetSqlRoleProvider" connectionStringName="LocalSqlServer" applicationName="/" type="System.Web.Security.SqlRoleProvider, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
    <add name="AspNetWindowsTokenRoleProvider" applicationName="/" type="System.Web.Security.WindowsTokenRoleProvider, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
    </providers>
    </roleManager>
    <siteMap>
    <providers>
    </providers>
    </siteMap>
    <webParts>
    <personalization>
    <providers>
    </providers>
    </personalization>
    </webParts>
    <healthMonitoring>
    <providers>
    </providers>
    </healthMonitoring>
    +++++++++++++
    In
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\web.config
    No Oracle references, and I would expect this as it is added in application level web.config
    +++++++++++++
    In
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\ASP.NETWebAdminFiles\web.config
    No Oracle references, and I would expect this as it is added in application level web.config
    +++++++++++++
    In
    D:\ORA\DB11G201\ODP.NET\bin\4
    Oracle.DataAccess.dll 4.112.1.2
    and in
    D:\ORA\DB11G201\ASP.NET\bin\4
    Oracle.Web.dll 4.112.1.2
    +++++++++++++
    So... why would I get provider not compatible version of Oracle Client...
    there are no other versions of ODAC hanging around,
    unless there are other locations I am not aware of.
    The application works fine in development laptop.
    The application works fine on production server when I use SYSTEM.DATA.ORACLECLIENT.
    But we need to migrate away from SYSTEM.DATA.ORACLECLIENT according to Microsoft,
    and I am sure Oracle would rather have me use Oracle.DataAccess client anyway.
    ++++++
    I even tried a trick from another post to move what appears to be Oracle Instant Client components,
    oci.dll, et al, from an installation into a new home of the Oracle 11g201 Cllent 32 along with Oracle.DataAccess.dll into the website BIN folder
    and set references for Oracle.DataAccess.dll to LOCAL TRUE.
    +++++++
    So I remain stuck.

  • Could not load file or assembly 'Oracle.DataAccess, Version=2.111.6.20

    I have visual Studio 2008 and ODAC installed on Winows 7, my VS2008 application retrieves data from Oracle Db 10g xe. I get this error report wih every attempt to connect and interact wih the database:
    "Could not load file or assembly 'Oracle.DataAccess, Version=2.111.6.20,
    Culture=neutral, PublicKeyToken=89b483f429c47342' or one of its dependencies.
    The system cannot find the file specified."
    What could be the issue? The same code that worked on Vista is the one returning this error report.

    I wonder if you could try the following command:
    gacutil.exe /l Oracle.DataAccess
    This should display the version number of the current assembly that it is GACed. In case that does not correspond to the version 2.111.6.20 then try:
    gacutil.exe /u Oracle.DataAccess
    and then find the path to the Oracle.DataAccess.dll assembly and issue the following command:
    gacutil.exe /i {path}/Oracle.DataAccess.dll
    The first command will display the version of the newly GACed assembly. If it still not what you are looking for please pass along the version that it is displayed.
    In case the version will match 2.111.6.20, then retry to use VS2008 to connect to your Oracle DB.

  • Oracle.DataAccess.Client.OracleException: The provider is not compatible

    I am getting an error, and I don't understand why I'm getting it.
    Error:
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    Environment:
    ODP.NET, 10.2.0.2 (ODTwithODAC10202.exe install)
    Oracle 9i database
    Windows 2000, .NET 1.x framework
    Before ODP.NET, Oracle 9.2 client
    Server does not have Visual Studio installed
    Just installed ODP.NET today; any time I attempt to access OracleConnection, I get the error above. I am a newbie to server installations; if something is obvious to you, it might not be obvious to me, so feel free to point out even the most basic things.
    I did install ODP.NET (same version) on my own PC several months ago, running over the same database, and everything seems to be working fine...
    Message was edited by:
    user531571

    Yeah; apparently, the Oracle install on that server was known (by everyone but me, from the sounds of it) to be exceptionally fragile. Installing ODP.NET brought down all Oracle connections. Uninstalling ODP.NET broke (actually, shattered might be closer to the truth) the Oracle instance on that box. Our solution? Start from scratch with a new server. Another piece of information which would have been nice to know is that they were looking for an excuse to get rid of this server; I wouldn't have been running around like a madman trying to fix it (and stressing all the while).
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