Don't discard entire live data batch on one null coordinate
Don't discard entire live data batch on one null coordinate

Swallow any exception and spew the failing record instead. Also, in
case of no valid data received, avoid trying to insert empty list
interpreted as a row of defaults, resulting in awkward sql error.

aalto-trafficsense/regular-routes-server,aalto-trafficsense/regular-routes-server,aalto-trafficsense/regular-routes-server,aalto-trafficsense/regular-routes-server