A NoMethodError occurred in photos#create:

 undefined method `[]' for nil:NilClass
 moped (1.2.1) lib/moped/node.rb:74:in `block in command'

Backtrace:
-------------------------------

 moped (1.2.1) lib/moped/node.rb:74:in `block in command'
 moped (1.2.1) lib/moped/node.rb:521:in `[]'
 moped (1.2.1) lib/moped/node.rb:521:in `block (3 levels) in flush'
 moped (1.2.1) lib/moped/node.rb:520:in `map'
 moped (1.2.1) lib/moped/node.rb:520:in `block (2 levels) in flush'
 moped (1.2.1) lib/moped/node.rb:123:in `ensure_connected'
 moped (1.2.1) lib/moped/node.rb:516:in `block in flush'
 moped (1.2.1) lib/moped/node.rb:531:in `logging'
 moped (1.2.1) lib/moped/node.rb:515:in `flush'
 moped (1.2.1) lib/moped/node.rb:286:in `pipeline'
 moped (1.2.1) lib/moped/session/context.rb:58:in `block in insert'
 moped (1.2.1) lib/moped/session/context.rb:109:in `block in with_node'
 moped (1.2.1) lib/moped/cluster.rb:150:in `block in with_primary'
 moped (1.2.1) lib/moped/node.rb:168:in `ensure_primary'
 moped (1.2.1) lib/moped/cluster.rb:149:in `with_primary'
 moped (1.2.1) lib/moped/session/context.rb:108:in `with_node'
 moped (1.2.1) lib/moped/session/context.rb:56:in `insert'
 moped (1.2.1) lib/moped/collection.rb:91:in `block in insert'
 moped (1.2.1) lib/moped/session.rb:305:in `with'
 moped (1.2.1) lib/moped/collection.rb:90:in `insert'
 mongoid (3.0.5) lib/mongoid/persistence/operations/insert.rb:27:in `block in persist'
 mongoid (3.0.5) lib/mongoid/persistence/insertion.rb:25:in `block (2 levels) in prepare'
 activesupport (3.2.8) lib/active_support/callbacks.rb:425:in `_run__26432495077089874__create__1084678567495970683__callbacks'
 activesupport (3.2.8) lib/active_support/callbacks.rb:405:in `__run_callback'
 activesupport (3.2.8) lib/active_support/callbacks.rb:385:in `_run_create_callbacks'
 activesupport (3.2.8) lib/active_support/callbacks.rb:81:in `run_callbacks'
 mongoid (3.0.5) lib/mongoid/callbacks.rb:100:in `run_callbacks'
 mongoid (3.0.5) lib/mongoid/persistence/insertion.rb:24:in `block in prepare'
 activesupport (3.2.8) lib/active_support/callbacks.rb:436:in `_run__26432495077089874__save__1084678567495970683__callbacks'
 activesupport (3.2.8) lib/active_support/callbacks.rb:405:in `__run_callback'
 activesupport (3.2.8) lib/active_support/callbacks.rb:385:in `_run_save_callbacks'
 activesupport (3.2.8) lib/active_support/callbacks.rb:81:in `run_callbacks'
 mongoid (3.0.5) lib/mongoid/callbacks.rb:100:in `run_callbacks'
 mongoid (3.0.5) lib/mongoid/persistence/insertion.rb:23:in `prepare'
 mongoid (3.0.5) lib/mongoid/persistence/operations/insert.rb:26:in `persist'
 mongoid (3.0.5) lib/mongoid/persistence.rb:50:in `insert'
 mongoid (3.0.5) lib/mongoid/persistence.rb:79:in `save'
 app/controllers/api/photos_controller.rb:34:in `create'

A EOFError occurred in photos#index:

 end of file reached
 moped (1.2.1) lib/moped/bson/extensions/hash.rb:12:in `readbyte'

Backtrace:
-------------------------------

 moped (1.2.1) lib/moped/bson/extensions/hash.rb:12:in `readbyte'
 moped (1.2.1) lib/moped/bson/extensions/hash.rb:12:in `__bson_load__'
 moped (1.2.1) lib/moped/bson/document.rb:7:in `deserialize'
 moped (1.2.1) lib/moped/connection.rb:106:in `block (2 levels) in read'
 moped (1.2.1) lib/moped/connection.rb:105:in `times'
 moped (1.2.1) lib/moped/connection.rb:105:in `each'
 moped (1.2.1) lib/moped/connection.rb:105:in `map'
 moped (1.2.1) lib/moped/connection.rb:105:in `block in read'
 moped (1.2.1) lib/moped/connection.rb:169:in `with_connection'
 moped (1.2.1) lib/moped/connection.rb:86:in `read'
 moped (1.2.1) lib/moped/protocol/query.rb:140:in `receive_replies'
 moped (1.2.1) lib/moped/connection.rb:125:in `block in receive_replies'
 moped (1.2.1) lib/moped/connection.rb:124:in `map'
 moped (1.2.1) lib/moped/connection.rb:124:in `receive_replies'
 moped (1.2.1) lib/moped/node.rb:518:in `block (2 levels) in flush'
 moped (1.2.1) lib/moped/node.rb:123:in `ensure_connected'
 moped (1.2.1) lib/moped/node.rb:516:in `block in flush'
 moped (1.2.1) lib/moped/node.rb:531:in `logging'
 moped (1.2.1) lib/moped/node.rb:515:in `flush'
 moped (1.2.1) lib/moped/node.rb:504:in `process'
 moped (1.2.1) lib/moped/node.rb:343:in `query'
 moped (1.2.1) lib/moped/cursor.rb:116:in `block in load_docs'
 moped (1.2.1) lib/moped/session/context.rb:109:in `block in with_node'
 moped (1.2.1) lib/moped/cluster.rb:150:in `block in with_primary'
 moped (1.2.1) lib/moped/node.rb:168:in `ensure_primary'
 moped (1.2.1) lib/moped/cluster.rb:149:in `with_primary'
 moped (1.2.1) lib/moped/session/context.rb:108:in `with_node'
 moped (1.2.1) lib/moped/cursor.rb:115:in `load_docs'
 moped (1.2.1) lib/moped/cursor.rb:25:in `each'
 moped (1.2.1) lib/moped/query.rb:77:in `each'
 moped (1.2.1) lib/moped/query.rb:77:in `each'
 mongoid (3.0.5) lib/mongoid/contextual/mongo.rb:134:in `block in each'
 mongoid (3.0.5) lib/mongoid/contextual/mongo.rb:633:in `selecting'
 mongoid (3.0.5) lib/mongoid/contextual/mongo.rb:133:in `each'
 mongoid (3.0.5) lib/mongoid/contextual.rb:18:in `each'
 mongoid (3.0.5) lib/mongoid/relations/referenced/in.rb:139:in `eager_load'
 mongoid (3.0.5) lib/mongoid/relations/metadata.rb:216:in `eager_load'
 mongoid (3.0.5) lib/mongoid/contextual/mongo.rb:537:in `block in eager_load'
 mongoid (3.0.5) lib/mongoid/contextual/mongo.rb:536:in `reject!'
 mongoid (3.0.5) lib/mongoid/contextual/mongo.rb:536:in `eager_load'
 mongoid (3.0.5) lib/mongoid/contextual/mongo.rb:518:in `documents_for_iteration'
 mongoid (3.0.5) lib/mongoid/contextual/mongo.rb:134:in `block in each'
 mongoid (3.0.5) lib/mongoid/contextual/mongo.rb:633:in `selecting'
 mongoid (3.0.5) lib/mongoid/contextual/mongo.rb:133:in `each'
 mongoid (3.0.5) lib/mongoid/contextual.rb:18:in `each'
 app/controllers/api/photos_controller.rb:8:in `map'

A Moped::Errors::OperationFailure occurred in photos#create:

 The operation: #<Moped::Protocol::Command
 @length=58
 @request_id=187
 @response_to=0
 @op_code=2004
 @flags=[]
 @full_collection_name="admin.$cmd"
 @skip=0
 @limit=-1
 @selector={:ismaster=>1}
 @fields=nil>
failed with error nil
 moped (1.2.1) lib/moped/node.rb:74:in `block in command'

Backtrace:
-------------------------------

 moped (1.2.1) lib/moped/node.rb:74:in `block in command'
 moped (1.2.1) lib/moped/node.rb:521:in `[]'
 moped (1.2.1) lib/moped/node.rb:521:in `block (3 levels) in flush'
 moped (1.2.1) lib/moped/node.rb:520:in `map'
 moped (1.2.1) lib/moped/node.rb:520:in `block (2 levels) in flush'
 moped (1.2.1) lib/moped/node.rb:123:in `ensure_connected'
 moped (1.2.1) lib/moped/node.rb:516:in `block in flush'
 moped (1.2.1) lib/moped/node.rb:531:in `logging'
 moped (1.2.1) lib/moped/node.rb:515:in `flush'
 moped (1.2.1) lib/moped/node.rb:504:in `process'
 moped (1.2.1) lib/moped/node.rb:70:in `command'
 moped (1.2.1) lib/moped/node.rb:366:in `refresh'
 moped (1.2.1) lib/moped/cluster.rb:112:in `block in refresh'
 moped (1.2.1) lib/moped/cluster.rb:125:in `each'
 moped (1.2.1) lib/moped/cluster.rb:125:in `refresh'
 moped (1.2.1) lib/moped/cluster.rb:78:in `nodes'
 moped (1.2.1) lib/moped/cluster.rb:147:in `with_primary'
 moped (1.2.1) lib/moped/session/context.rb:108:in `with_node'
 moped (1.2.1) lib/moped/session/context.rb:43:in `query'
 moped (1.2.1) lib/moped/query.rb:109:in `first'
 mongoid (3.0.5) lib/mongoid/contextual/mongo.rb:202:in `first'
 mongoid (3.0.5) lib/mongoid/contextual.rb:18:in `first'
 orm_adapter (0.4.0) lib/orm_adapter/adapters/mongoid.rb:28:in `find_first'
 devise (2.1.2) lib/devise/models/authenticatable.rb:222:in `find_first_by_auth_conditions'
 devise (2.1.2) lib/devise/models/authenticatable.rb:218:in `find_for_authentication'
 /usr/home/test/app/shared/bundle/ruby/1.9/gems/devise-2.1.2/lib/devise/models/token_authenticatable.rb:65:in `find_for_token_authentication'
 app/controllers/api_controller.rb:21:in `authenticate'

Gems included by the bundle:
  * actionmailer (3.2.9)
  * actionpack (3.2.9)
  * activemodel (3.2.9)
  * activerecord (3.2.9)
  * activeresource (3.2.9)
  * activesupport (3.2.9)
  * addressable (2.3.2)
  * arel (3.0.2)
  * bcrypt-ruby (3.0.1)
  * builder (3.0.4)
  * bundler (1.2.1)
  * chronic (0.8.0)
  * cocaine (0.4.2)
  * dalli (2.5.0)
  * devise (2.1.2)
  * diff-lcs (1.1.3)
  * erubis (2.7.0)
  * eventmachine (1.0.0)
  * exception_notification (3.0.0)
  * factory_girl (4.1.0)
  * factory_girl_rails (4.1.0)
  * faraday (0.8.4)
  * faraday_middleware (0.9.0)
  * hashie (1.2.0)
  * hike (1.2.1)
  * http_parser.rb (0.5.3)
  * httpauth (0.2.0)
  * i18n (0.6.1)
  * journey (1.0.4)
  * jquery-rails (2.1.3)
  * json (1.7.5)
  * json_expressions (0.8.1)
  * jwt (0.1.5)
  * kaminari (0.14.1)
  * kgio (2.7.4)
  * launchy (2.1.2)
  * letter_opener (1.0.0)
  * mail (2.4.4)
  * mime-types (1.19)
  * mina (0.2.1 00f773c)
  * mongoid (3.0.13)
  * moped (1.3.0)
  * multi_json (1.3.7)
  * multipart-post (1.1.5)
  * oauth (0.4.7)
  * oauth2 (0.8.0)
  * omniauth (1.1.1)
  * omniauth-facebook (1.4.1)
  * omniauth-oauth (1.0.1)
  * omniauth-oauth2 (1.1.1)
  * omniauth-twitter (0.0.14)
  * omniauth-vkontakte (1.1.1)
  * open4 (1.3.0)
  * origin (1.0.10)
  * orm_adapter (0.4.0)
  * paperclip (3.3.1)
  * polyglot (0.3.3)
  * rack (1.4.1)
  * rack-cache (1.2)
  * rack-ssl (1.3.2)
  * rack-test (0.6.2)
  * rails (3.2.9)
  * railties (3.2.9)
  * raindrops (0.10.0)
  * rake (10.0.2)
  * rdoc (3.12)
  * redis (3.0.2)
  * redis-actionpack (3.2.3)
  * redis-activesupport (3.2.3)
  * redis-rack (1.4.2)
  * redis-rails (3.2.3)
  * redis-store (1.1.3)
  * rspec-core (2.12.0)
  * rspec-expectations (2.12.0)
  * rspec-mocks (2.12.0)
  * rspec-rails (2.12.0)
  * simple_oauth (0.1.9)
  * simplecov (0.7.1)
  * simplecov-html (0.7.1)
  * sprockets (2.2.1)
  * thor (0.16.0)
  * tilt (1.3.3)
  * tinder (1.9.1)
  * treetop (1.4.12)
  * twitter-stream (0.1.16)
  * tzinfo (0.3.35)
  * unicorn (4.4.0)
  * warden (1.2.1)
  * whenever (0.8.0)
  * yajl-ruby (1.1.0)