C#

11:22:01 TcpClientHandler.Read; IOException: System.IO.IOException: Unable to read data from the transport connection: A blocking operation was interrupted by a call to WSACancelBlockingCall. ---> System.Net.Sockets.SocketException: A blocking operation was interrupted by a call to WSACancelBlockingCall
               >>>>    at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)
               >>>>    at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
               >>>>    --- End of inner exception stack trace ---
               >>>>    at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
               >>>>    at System.IO.StreamReader.ReadBuffer()
               >>>>    at System.IO.StreamReader.ReadLine()

public void Read()
{
    Trace.WriteLine("##debug: Reading...", "INFORMATION");
    try
    {
        do
        {
            _alertMessage = _reader.ReadLine();
            if (!string.IsNullOrEmpty(_alertMessage))
            {
                if (MessageReadEvent != null)
                    MessageReadEvent(this, _alertMessage);
            }
        }
        while (!string.IsNullOrEmpty(_alertMessage));
    }
    catch (IOException io)
    {
        Trace.WriteLine(MethodBase.GetCurrentMethod().DeclaringType.Name + "." + MethodInfo.GetCurrentMethod().Name +
            "; IOException: " + io.ToString(), "ERROR");
    }
}