rake aborted! You have already activated rake 10.0.2, but your Gemfile requires rake 0.9.2.2

Question

I am trying to do \"rake db:migrate\" and it is giving me this error.

Andy:AcademyAir Andy$ rake db:migrate
/Users/Andy/.rvm/gems/ruby-1.9.2-p290/gems/bundler-1.         


        

Answer 1

I've just ran into the same problem.

1. I inserted in my gemfilen gem 'rake', '~> 10.0.1' [in your case it should be '10.0.2']
2. I deleted my gemfile lock
3. I ran rake db:migration again and it worked.

I got this tip here: Activated Ruby RAKE 10.0.1, require 10.0.0

Update: In my case I didn't have rake duplicated. I just have in my gems the 10.0.1 version.

Answer 2

It happens because you are using rake from the system. (latest version by default) The solution is use follow command:

bundle exec rake db:migrate

Also, you can create alias. Because this command is too big and difficult to write.

echo "alias be='bundle exec'" >> ~/.bash_profile
source ~/.bash_profile

Then you can use follow short command:

be rake db:migrate

Answer 3

Try this bundle exec rake db:migrate

Remove rake 10.0.2 gem

By using gem uninstall rake and remove 10.0.2 version of rake gem

And Then Try rake db:migrate

Why Error comes : In you gem list two version (10.0.2 and 0.9.2.2) of rake gem install so that this error comes.*

Another Solution is you can do bundle update

Answer 4

In your Gemfile, explicitly set the latest rake version by:

gem 'rake', '~> 10.0.1'

And then run

$ bundle update rake

Then try

Answer 5

change the version which located both in the gemfile and gemlock to the version number shown in the console, it will be done

Answer 6

I was able to solve this by opening up Gemfile and changing gem 'rake', '~> 0.9.2.2' to gem 'rake', '~> 10.0.1'