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I'm once again trying to setup Mono Entity Framework with MSSQL 2008.
SqlProviderManifest (System.Data.Entity.SqlServer) calls XmlReader.Create(Stream, XmlReaderSettings, string) with "System.Data.Resources.SqlClient.SqlProviderServices.ProviderManifest.xml" as third parameter which leads to an "Invalid URI" exception.
I don't know if this is a miss behaviour of XmlReader.Create or a wrong call by SqlProviderManifest. It should however work if you just leave out the third parameter as described here (http://karimlalani.blogspot.co.at/2013/01/day-2-porting-nopcommerce-to-linux.html).
This just worked without problem. Maybe you have something else wrong.
public class Test
public static void Main ()
var ms = new MemoryStream (Encoding.UTF8.GetBytes ("<xml/>"));
var xr = XmlReader.Create (ms, new XmlReaderSettings (), "System.Data.Resources.SqlClient.SqlProviderServices.ProviderManifest.xml");
SqlProviderManifest.cs (https://github.com/mono/entityframework/blob/master/src/EntityFramework.SqlServer/SqlProviderManifest.cs) calls the function via
XmlReader.Create(Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName), null, resourceName) which leads to this exception.