We also get these errors on heroku from time to time. I wish I knew what was causing them. A restart always solves the problem.
N. On Monday, April 20, 2015 at 10:31:13 PM UTC+12, Codrut Gusoi wrote: > > I have a rails 3.2.21 app hosted on Heroku, using Heroku Postgres. I got > the "undefined method `extend' for class > `ActiveRecord::Associations::CollectionProxy'" error fired from every page > on one of the web dynos. After a while the dyno was restarted and > everything went back to normal. > > I have no idea what could cause such an error, any hint would be great. > > In case you need, here is a stack trace from one of the pages: > > ….21/lib/active_record/associations/ > collection_proxy.rb: 37:in `<class:CollectionProxy>' > ….21/lib/active_record/associations/ > collection_proxy.rb: 36:in `<module:Associations>' > ….21/lib/active_record/associations/ > collection_proxy.rb: 2:in `<module:ActiveRecord>' > ….21/lib/active_record/associations/ > collection_proxy.rb: 1:in `<top (required)>' > …b/active_record/associations/ > collection_association.rb: 25:in `initialize' > …ve_record/associations/ > has_many_through_association.rb: 10:in `initialize' > …/activerecord-3.2.21/lib/active_record/ > associations.rb: 160:in `new' > …/activerecord-3.2.21/lib/active_record/ > associations.rb: 160:in `association' > …ib/active_record/associations/preloader/ > association.rb: 18:in `run' > …ord-3.2.21/lib/active_record/associations/ > preloader.rb: 132:in `block (2 levels) in preload_one' > …ord-3.2.21/lib/active_record/associations/ > preloader.rb: 131:in `each' > …ord-3.2.21/lib/active_record/associations/ > preloader.rb: 131:in `block in preload_one' > …ord-3.2.21/lib/active_record/associations/ > preloader.rb: 130:in `each' > …ord-3.2.21/lib/active_record/associations/ > preloader.rb: 130:in `preload_one' > …ord-3.2.21/lib/active_record/associations/ > preloader.rb: 109:in `preload' > …/squeel/adapters/active_record/ > ... -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/577a1479-b90f-4d11-8f62-e59e105e7093%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
