# File lib/awsbase/awsbase.rb, line 262
    def close_conn(conn_name)
      conn_mode = @params[:connection_mode]
      if conn_mode == :per_thread || conn_mode == :single
        thread = conn_mode == :per_thread ? Thread.current : Thread.main
        if !thread[conn_name].nil?
          thread[conn_name].finish
          thread[conn_name] = nil
        end
      end
    end