Alexander Gagarin

### Expected Behavior **Get request to /prometheus endpoint:** > ##HELP http_server_requests_seconds ##TYPE http_server_requests_seconds summary http_server_requests_seconds_count{exception="ConversionErrorException",method="POST",status="400",uri="root",} 2.0 http_server_requests_seconds_sum{exception="ConversionErrorException",method="POST",status="400",uri="root",} 0.055199125 http_server_requests_seconds_count{exception="ClassCastException",method="POST",status="500",uri="root",} 1.0 http_server_requests_seconds_sum{exception="ClassCastException",method="POST",status="500",uri="root",} 0.266171375 http_server_requests_seconds_count{exception="none",method="GET",status="200",uri="/prometheus",} 6.0 http_server_requests_seconds_sum{exception="none",method="GET",status="200",uri="/prometheus",} 0.15734971 HELP http_server_requests_seconds_max TYPE http_server_requests_seconds_max...