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Replicating the geocoding example from Railscast #273 at http://railscasts.com/episodes/273-geocoder under Rails 3.1rc4 using:

    multi_json (1.0.3)
   nifty-generators (0.4.6)

I get 

NameError in LocationsController#create

uninitialized constant JSON::ParserError
Rails.root: ...

Application Trace | Framework Trace | Full Trace
app/controllers/locations_controller.rb:20:in `create'
This error occurred while loading the following files:
   multi_json/engines/json_gem

I must be missing something which defines this. Anyone have an idea?rc4

marc meyer
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    Hmmm. Got it working, by adding explicit: gem 'json_pure' gem 'json' to Gemfile. Why is that necessary, given that mutil_json has these in its own dependencies? – marc meyer Jul 09 '11 at 20:10
  • I get the same error with a vanilla 3.1.0.rc5 new app, so it likely is an error in the release candidates and not something specific to the geocoding app. Also, your fix worked for me, too. – Clay Aug 11 '11 at 02:04

0 Answers0