httptwittervisual-studio-2015linq-to-twitter

Visual Studio 2015 - Debug with HTTP connection problems

I have a program (console application) that makes use of LinqToTwitter to read some tweets. When I debug the program I get an error "The underlying connection was closed: An unexpected error occurred in a submission".

Message = An error occurred while sending the request. Message = The underlying connection was closed: An unexpected send error occurred.

If I build the program, I can run the program without any problems. I already researched and can't find the problem. Does it have to do with TLS 1.2? How do I set up in Visual Studio? I use VS 2015.

Solution

  • Now that you mention TLS 1.2 and you're using an older version of Visual Studio, it makes sense. Add this to your Main procedure:

    ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12

    Twitter switched to TLS 1.2 a while ago.