[fdo-users] ASP Errors with Managed Overrides DLLs

AMarkB mbranscum at agvance.net
Wed Sep 1 16:30:41 EDT 2010


I'm new to the list so first let me say that FDO rocks! If all goes well it
will probably get widespread use in multiple future projects here.

However, right now I'm hitting an error when using FDO in an ASP
application.  The ASP host in Visual Studio 2008 is having a problem loading
any of the managed Overrides DLLs such as
OSGeo.FDO.Providers.MySQL.Overrides.dll, etc...  When launching the web site
in Visual Studio it throws the error "The specified module could not be
found. (Exception from HRESULT: 0x8007007E)"  As soon as I remove the
overrides DLLs everything works fine. This issue only happens when importing
the project into an ASP solution.  When we import the same project into a
.NET Winform app, everything is fine.

I've read that the ASP host will make temporary shadow copies of the DLLs in
a temporary location and not get all of the DLLs it needs sometimes. 
However, I appended the path to my ASP bin folder to my environment path
variable, which is rumored to alleviate that issue, but that didn't help.

So I have two questions:
1.  So far everything runs fine without the overrides DLLs.  Our code
doesn't do anything with overrides right now and I don't anticipate needing
that in the near future.  Is there any chance their absence could make our
ASP app fail later in unexpected ways even if we are not using overrides?
2.  Anyone have any ideas about what might be causing that issue or how to
fix it?

I can send the ASP stack trace if anyone wants it.  I'm running VS 2008, Win
7, IIS 7 on 64 bit. Compiling to 32 bit.

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