We have share many of our feature classes to the open data portal. They are created as map services on our ArcGIS Server and shared as map image layers on our ArcGIS Online account. This seems to work very well with one exception. One of the feature classes, our city limits boundary, stalls or errors out when a download is requested. All other layers in that group can be downloaded. They are all small in size, so they should download almost instantly.
The link to the layer that won't download is:
I have republished the map service and reset the index on the open data admin site. The city limits boundary draws on the map presented in the open data page. Any suggestions as to how to allow it to be downloaded?