Perhaps this is just http://www.ruby-forum.com/topic/1505406 coming back to bite me -- I suspect I'm missing a trivial declaration.
==== Error message (note that NOAA is an STI subclass of WeatherStation) ActiveRecord::AssociationTypeMismatch (WeatherStation(#2169635200) expected, got NOAA(#2185634180)): ==== Source of the error (station is, in fact, an NOAA object) PremiseWeatherStation.create(:premise => self, :weather_station => station) ==== Models class Premise < ActiveRecord::Base has_many :premise_weather_stations, :dependent => :destroy has_many :weather_stations, :through => :premise_weather_stations ... end class PremiseWeatherStation < ActiveRecord::Base belongs_to :premise belongs_to :weather_station end # WeatherStation is the 'parent' of STI models class WeatherStation < ActiveRecord::Base has_many :premise_weather_stations, :dependent => :destroy has_many :premises, :through => :premise_weather_stations ... end # NOAA is an STI subclass of WeatherStation class NOAA < WeatherStation ... end ==== Tables: create_table "premise_weather_stations", :force => true do |t| t.integer "premise_id" t.integer "weather_station_id" ... end create_table "premises", :force => true do |t| ... end create_table "weather_stations", :force => true do |t| t.string "callsign" t.string "type" # for STI support ... end ==== I don't think I'm doing anything "un-RAILs-ish". Any idea what I'm missing? - ff -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.