I'm having the same heroku rake issues described (and from what I can tell solved) in this question.
When I try the fix (include require 'rake/dsl_definition' above require 'rake') I get the same
'uninitialized constant Rake::DSL'
error from heroku + I get the error
'no such file to load -- rake/dsl_definition'
from my local rake.
Without incorporating the fix (using the standard rakefile) I can use rake on my local setup with no errors (with the same heroku error)
I'm using rake version 0.8.7 (though I get the same results using 0.9.2) and Rails 3.0.9. I've gone through the suggestions in the previous question but from what I can tell the problem isn't with my Gemfile. Has anyone else had this problem? Has anyone else solved their heroku rake problem using a different solution? Or can anyone explain/suggest how I'm going about this incorrectly?
Thank you for your help.