Provider Not Returning ProviderManifestToken String

[Ari]

Hi,

I'm trying to follow this walkthrough, but I'm facing the following error when setting up npgsql + entity framework:

The type provider 'Microsoft.FSharp.Data.TypeProviders.DesignTime.DataProviders' reported an error: Error reading schema. error 7001: The provider did not return a ProviderManifestToken string. A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)

Does anyone now how to resolve this?

Using nuget I've installed entity framekwork 6, npgsql, npgsql entity framework. I've posted my App.config settings here: http://pastebin.com/VawZmJGF

[Francisco Figueiredo Jr.]

This is strange because the message talks about a Named Pipes Provider?

You App.config seems to be ok.

Please, check your app. Maybe it is referencing the sql server provider somewhere.

I didn't play with F# yet so it is possible that there may be some other configurations needed to make it work on F#.

Sorry for not being much helpful.

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Francisco Figueiredo Jr.
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[Francisco Figueiredo Jr.]

Did you try to add Npgsql and Mono.Security do GAC?

On Fri, May 9, 2014 at 8:39 PM, Ari King <ari.bran...@gmail.com> wrote:

Hi Francisco,

I think the "named pipes provider" issue stems from the exclusion of the "provider" parameter:

type internal SqlConnection = SqlEntityConnection<ConnectionStringName="ClockworkDB">

If I change it to:

type internal SqlConnection = SqlEntityConnection<ConnectionStringName="ClockworkDB", Provider="Npgsql">

The error is then becomes that the provider "Npgsql" cannot be found. Any ideas? Thanks.

-Ari

[Ari]

On Monday, May 12, 2014 12:26:04 PM UTC-4, Francisco Figueiredo Jr. wrote:

Did you try to add Npgsql and Mono.Security do GAC?

Yes, I tried adding both Npgsql & Mono.Security to GAC, but unfortunately that did not solve the error.

-Ari