Invalid_Session_Information

[skit]

Hi,

I have developed a simple C# bot that has calls for the KeepAlive function once every 15 minutes.

However usually after 10 to 12 hours of bot "uptime" I start getting back from the API the "INVALID_SESSION_INFORMATION" error. Which as I read can either be because the session is invalid or expired.
Question is how can that happen when using KeepAlive? Is there a TTL even for a session that is in constant use and even when using KeepAlive?!

[betdynamics]

Are you sure that the KeepAlive function in your bot is working?

[skit]

public static readonly string KeepAliveURL = @"https://identitysso.betfair.com/api/keepAlive";

public void sendKeepAlive()
        {
            Console.WriteLine("KeepAlive started.");
            WebRequest request = null;
            WebResponse response = null;
            try
            {
                do
                {
                    request = WebRequest.Create(new Uri(Bot.KeepAliveURL));
                    request.Method = "POST";
                    request.ContentType = "application/json-rpc";
                    request.Headers.Add(HttpRequestHeader.AcceptCharset, "ISO-8859-1,utf-8");
                    request.Headers.Add("X-Authentication", this.SSOID);
                    if (!string.IsNullOrEmpty(Bot.APP_KEY))
                    {
                        request.Headers.Add("X-Application", Bot.APP_KEY);
                    }
                    response = request.GetResponse();
                    Console.WriteLine("KeepAlive sent " + ((HttpWebResponse)response).StatusDescription);
                } while (response == null);
            }
            catch (System.Exception ex)
            {
                Console.WriteLine("KeepAlive Error" + ex.Message);
            }
            response.Close();
        }

This is the code I'm using. The StatusDescription has always returned "OK".

(Ill try and actually make it deserialize the response as JSON and read the status property I guess)

Thank you.