4
我有一個模型A有許多使用:has_many關聯的模型B的對象。當我創建模型A的新對象時，設置它的屬性，構建關聯的對象並檢查非持久對象，它可以正常工作。但是，只要我嘗試使用save或save!來堅持對象，我就會得到以下回溯。未定義的方法insert_record爲陣列
NoMethodError: undefined method `insert_record' for #<Array:0x000000052541f8>
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/associations/association_proxy.rb:154:in `send'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/autosave_association.rb:306:in `block in save_collection_association'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/associations/association_collection.rb:431:in `block in method_missing'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/associations/association_proxy.rb:216:in `block in method_missing'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/associations/association_proxy.rb:216:in `each'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/associations/association_proxy.rb:216:in `method_missing'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/associations/association_collection.rb:431:in `method_missing'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/autosave_association.rb:297:in `save_collection_association'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/autosave_association.rb:163:in `block in add_autosave_association_callbacks'
from /usr/lib/ruby/gems/2.0.0/gems/activesupport-3.0.5/lib/active_support/callbacks.rb:415:in `_run_create_callbacks'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/callbacks.rb:281:in `create'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/persistence.rb:246:in `create_or_update'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/callbacks.rb:277:in `block in create_or_update'
from /usr/lib/ruby/gems/2.0.0/gems/activesupport-3.0.5/lib/active_support/callbacks.rb:418:in `_run_save_callbacks'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/callbacks.rb:277:in `create_or_update'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/persistence.rb:39:in `save'
... 2 levels...
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/transactions.rb:240:in `block (2 levels) in save'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/transactions.rb:292:in `block in with_transaction_returning_status'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/connection_adapters/abstract/database_statements.rb:139:in `transaction'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/transactions.rb:207:in `transaction'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/transactions.rb:290:in `with_transaction_returning_status'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/transactions.rb:240:in `block in save'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/transactions.rb:251:in `rollback_active_record_state!'
from /usr/lib/ruby/gems/2.0.0/gems/activerecord-3.0.5/lib/active_record/transactions.rb:239:in `save'
from (irb):104
from /usr/lib/ruby/gems/2.0.0/gems/railties-3.0.5/lib/rails/commands/console.rb:44:in `start'
from /usr/lib/ruby/gems/2.0.0/gems/railties-3.0.5/lib/rails/commands/console.rb:8:in `start'
from /usr/lib/ruby/gems/2.0.0/gems/railties-3.0.5/lib/rails/commands.rb:23:in `<top (required)>'
from /home/amitav/WMS/trunk/script/rails:6:in `require'
from /home/amitav/WMS/trunk/script/rails:6:in `<top (required)>'
from -e:1:in `load'
from -e:1:in `<main>'
我使用ruby 2.0.0p195和rails 3.0.5。
查看我的回答。這是2小時前，但你沒有提到我的回答是對還是錯。 –