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XML Serializer – Unable to load DLL ‘Microsoft.Data.SqlClient.SNI.x86.dll’

Solved215 views19th July 2023Assemblies iDirect Platform MySQL NuGet
2
Diogo Silva [SLC]110 22nd June 2023 0 Comments

A few customers reported issues related to exceptions being thrown during MySQL DB queries on the iDirect Platform connector.

These exceptions seemed to be mostly related to older assemblies being used.

After installing the Microsoft.Data.SqlClient NuGet and updating related XML Serialization Nugets those issues seem gone, though i still have the following exception:

System.AggregateException: One or more errors occurred. ---> System.TypeInitializationException: The type initializer for 'Microsoft.Data.SqlClient.TdsParser' threw an exception. ---> System.TypeInitializationException: The type initializer for 'Microsoft.Data.SqlClient.SNILoadHandle' threw an exception. ---> System.DllNotFoundException: Unable to load DLL 'Microsoft.Data.SqlClient.SNI.x86.dll': The specified module could not be found.

The SqlClient.SNI package is mentioned as an internal consumption package but i tried installing it anyway, which did not solve the issue as well.

Target platform specs (below) seem ok as well as both customers are running Dataminer 10.3.+.

  • .NET Framework 4.6.2+ (Windows x86, Windows x64)
  • .NET Core 3.1+ (Windows x86, Windows x64, Windows ARM64, Windows ARM, Linux, macOS)
  • .NET Standard 2.0+ (Windows x86, Windows x64, Windows ARM64, Windows ARM, Linux, macOS)

Given this, has anyone faced a similar issue or has knowledge on how to fix this issue?

Thanks in advance.

Marieke Goethals [SLC] [DevOps Enabler] Selected answer as best 19th July 2023

1 Answer

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Amer Hodzic [DevOps Enabler]596 Posted 23rd June 2023 1 Comment

I have seen this issue before and it is that the

Microsoft.Data.SqlClient.SNI.x86.dll

file sometimes is not in the right place or not there at all which causes this issue.

Marieke Goethals [SLC] [DevOps Enabler] Selected answer as best 19th July 2023
Amer Hodzic [DevOps Enabler] commented 23rd June 2023

These are the steps I took https://www.dllme.com/dll/files/microsoft_data_sqlclient_sni_x86
in the manual installation section

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