MissingAttributeError在部署后发生，一段时间后消失

I have a Rails 3.0.9 app that, once it is deployed, suffers from a bunch of ActiveModel::MissingAttributeErrors that crop up causing 500s. The errors occur fairly randomly, sometimes a page will load, other times it won't, but the attributes are all existing attributes in the database and should be found.I have a Rails 3.0.9 app that, once it is deplo