I have such action in my controller:
def my
@user = Ads::User.find current_user.id
@postings = Rails.cache.fetch("@user.postings.includes(:category)") do
@postings = @user.postings.includes(:category)
end
end
I'm trying to cache @postings and get such error:
Marshalling error for key '@user.postings.includes(:category)': can't dump
anonymous class #<Module:0x000000048f9040>
You are trying to cache a Ruby object which cannot be serialized to
memcached.
If I try to cache @postings without includes there are no errors. Can't
figure out what is the problem
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