Processing OverlaysController#create to xml (for 127.0.0.1 at 2009-06-15 14:20:45) [POST]
  Parameters: {"token"=>"4069db8a7ed6f87a569184c6c4da05a5912a328f", "overlay"=>{"source"=>"tmp.278538.csv"}}
options for loading csv: {:x=>"long", :time_columns=>["timestamp", "pubDate", "updated at", "created at", "created", "updated", "date", "time", "begin time", "end time"], :y=>"lat", :geocode=>"zip"}
source="/private/var/rails/geocommons/core/tmp/scratch/tmp.278538.csv" options={:x=>"long", :time_columns=>["timestamp", "pubDate", "updated at", "created at", "created", "updated", "date", "time", "begin time", "end time"], :y=>"lat", :geocode=>"zip"}
Guessing numeric fields based on first row: ["zip", "dunno", "lat", "long"]
Creating new geocoder
Failed to create overlay: A JSON text must at least contain two octets!:
/opt/local/lib/ruby/gems/1.8/gems/json-1.1.3/lib/json/common.rb:122:in `initialize'
/opt/local/lib/ruby/gems/1.8/gems/json-1.1.3/lib/json/common.rb:122:in `new'
/opt/local/lib/ruby/gems/1.8/gems/json-1.1.3/lib/json/common.rb:122:in `parse'
/private/var/rails/geocommons/core/lib/f1/geocoder.rb:59:in `locate_points'
/private/var/rails/geocommons/core/lib/f1/core/layer_util.rb:212:in `determine_geometry'
/private/var/rails/geocommons/core/lib/f1/spreadsheet/f1_csv.rb:104:in `layer'
/private/var/rails/geocommons/core/app/models/overlay.rb:88:in `from_csv_source'
/private/var/rails/geocommons/core/app/models/overlay.rb:56:in `send'
/private/var/rails/geocommons/core/app/models/overlay.rb:56:in `from_source'
/private/var/rails/geocommons/core/app/controllers/overlays_controller.rb:38:in `create'
/private/var/rails/geocommons/core/vendor/rails/actionpack/lib/action_controller/base.rb:1322:in `send'
/private/var/rails/geocommons/core/vendor/rails/actionpack/lib/action_controller/base.rb:1322:in `perform_action_without_filters'
/private/var/rails/geocommons/core/vendor/rails/actionpack/lib/action_controller/filters.rb:617:in `call_filters'
/private/var/rails/geocommons/core/vendor/rails/actionpack/lib/action_controller/filters.rb:638:in `run_before_filters'
/private/var/rails/geocommons/core/vendor/rails/actionpack/lib/action_controller/filters.rb:206:in `call'
/private/var/rails/geocommons/core/vendor/rails/actionpack/lib/action_controller/filters.rb:206:in `around_proc'