Access SessionId at the beginning of Streamed https procs o to avoid HttpException: Session state has created a session id, but cannot save it because the response was already flushed by the application.

Author: claudiamurialdo

dotnet/src/dotnetframework/GxClasses/Middleware/GXHttp.cs

@@ -1992,10 +1992,16 @@ private void SetStreaming()
 #if !NETCORE
 			if (ChunkedStreaming())
 			{
+				BringSessionStateToLife();
 				context.HttpContext.Response.BufferOutput = false;
 			}
 #endif
 		}
+		private void BringSessionStateToLife()
+		{
+			string sessionId = context.HttpContext.Session.SessionID;
+			GXLogging.Debug(log, "Session is alive: " + sessionId);
+		}
 		internal string DumpHeaders(HttpContext httpContext)
 		{
 			StringBuilder str = new StringBuilder();