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Type:
Task
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Resolution: Done
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Affects Version/s: None
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Component/s: None
So, when I destroy the model on the one side, an exception is raised:
NoMethodError: undefined method `new' for nil:NilClass
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/bundler/gems/mongoid-b917c3a59e62/lib/mongoid/relations/cascading.rb:32:in `block in cascade!'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/bundler/gems/mongoid-b917c3a59e62/lib/mongoid/relations/cascading.rb:28:in `each'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/bundler/gems/mongoid-b917c3a59e62/lib/mongoid/relations/cascading.rb:28:in `cascade!'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/bundler/gems/mongoid-b917c3a59e62/lib/mongoid/persistence/deletion.rb:22:in `prepare'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/bundler/gems/mongoid-b917c3a59e62/lib/mongoid/persistence/operations/remove.rb:26:in `persist'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/bundler/gems/mongoid-b917c3a59e62/lib/mongoid/persistence.rb:62:in `remove'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/bundler/gems/mongoid-b917c3a59e62/lib/mongoid/persistence.rb:34:in `block in destroy'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:403:in `_run__2019556365422146964__destroy__2408782356975295821__callbacks'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:405:in `__run_callback'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:385:in `_run_destroy_callbacks'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:81:in `run_callbacks'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/bundler/gems/mongoid-b917c3a59e62/lib/mongoid/callbacks.rb:114:in `run_callbacks'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/bundler/gems/mongoid-b917c3a59e62/lib/mongoid/persistence.rb:33:in `destroy'
from (irb):23
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/gems/railties-3.2.8/lib/rails/commands/console.rb:47:in `start'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/gems/railties-3.2.8/lib/rails/commands/console.rb:8:in `start'
from /Users/ulitiy/.rvm/gems/ruby-1.9.3-p125/gems/railties-3.2.8/lib/rails/commands.rb:41:in `<top (required)>'
from script/rails:6:in `require'
Explicit dependent: :nullify solves the problem.
On this side I have 3rd level deep inherited mongoid document model, on that side - simple mongoid document model.