invalid-request-cookie about recaptcha

[ambethia]

Can you tell me more about your setup?

[chaserx]

Yeah. Thanks. How much info is helpful?

Development ENV
Mac OS X (10.5); Safari, Chrome; Ruby 1.8.7p72; Rails 2.3.5; Mongrel 1.1.5; reCaptcha plugin 0.2.3

Tried reCaptcha keys for localhost and mymacbookpro.local

[chaserx]

invalid-request-cookie shows as flash error

registration_controller.rb:
def create
@registration = Registration.new(params[:registration])
if verify_recaptcha(:private_key => PASSWORDS_CONFIG[:recaptcha_private_key]) and @registration.save
flash[:notice] = "Successfully created registration."
redirect_to @registration
else
render :action => 'new'
end
end

views / _form.html.erb:
<%= recaptcha_tags :public_key => PASSWORDS_CONFIG[:recaptcha_public_key] %>

[ambethia]

And you recaptcha key pair was definitely created specifically for localhost?

[chaserx]

Yeah. Well... I assumed that would work fine as a registered key pair for myrailsapp.com gives the same error. Reading the reCaptcha documentation suggests that any valid key pair should work, however, as localhost is not enforced. (see below).

Anyway, I created keys for: myrailsapp.com, localhost, 127.0.01, mymacbookpro.local
Same error for each pair of keys. Perhaps there's something funky about recaptcha and localhost, or maybe it's just me.

If you have a suggestion on where to get more debug information, please let me know. Sorry to clog up your issue queue.

From the reCaptcha docs:
Key scope:
If one of your servers is "localhost" or "127.0.0.1", reCAPTCHA will not enforce the same-domain rule. Just use the same key as for the production server.

Errors:
invalid-request-cookie
-> The challenge parameter of the verify script was incorrect.