Hello everyone, 

We’ve recently started to use adwords api and now we are trying to automate 
few tasks. We’re using OAuth2 authentication and ruby. 

We’ve followed the example here 
https://code.google.com/p/google-api-ads-ruby/source/browse/adwords_api/examples/v201209/misc/use_oauth2_jwt.rb<https://code.google.com/p/google-api-ads-ruby/source/browse/adwords_api/examples/v201209/misc/use_oauth2.rb>to
 authenticate, the only difference is how we initialize the adwords api:

adwords = AdwordsApi::Api.new({

    :library => {

      :log_level => "DEBUG"

}}) 

# option 1 and option 2 not modified from the example

campaign_srv = adwords.service(:CampaignService, API_VERSION)


We’ve downloaded the private key file and the path is set correctly and 
we’ve tried both options. This is the error we get: 

/path/.rvm/gems/ruby-1.9.3-p327/gems/google-ads-common-0.9.0/lib/ads_common/credential_handler.rb:65:in
 
`set_credential': undefined method `[]=' for nil:NilClass (NoMethodError)

from 
/path/.rvm/gems/ruby-1.9.3-p327/gems/google-ads-common-0.9.0/lib/ads_common/api.rb:103:in
 
`block in authorize'

from 
/path/.rvm/gems/ruby-1.9.3-p327/gems/google-ads-common-0.9.0/lib/ads_common/api.rb:102:in
 
`each_pair'

from 
/path/.rvm/gems/ruby-1.9.3-p327/gems/google-ads-common-0.9.0/lib/ads_common/api.rb:102:in
 
`authorize'


Let me know if you need further information, i would like to find out the 
possible reason for that error or if there is any error in our 
configuration or code?

 

Thank you in advance for your time,

Georgi

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