"Object is not missing constant" in rails / rake 05. April 2010 um 15:09 Uhr / Programming
I just spend several hours on a bug in rails where I just got this error:
Object is not missing constant Image!
The problem was in a rake task file which looked like this:
image = page.images.find_or_initialize_by_code(img[:code])
It did work fine in development environment, but not in production where I have this line:
config.cache_classes = true which caused the problem. It seems that rails' "smart" and lazy class loader was confused and didn't load the
Image model but just outputted the error.
I could convince it to load it by adding just this to the beginning of the rake task:
desc "Update the pages" task :pages => :environment do Image.new # Bugfix for the class autoloader # ... image = page.images.find_or_initialize_by_code(img[:code]) # ... end
And now everything seems to work as it should.
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