Use Older Version of Rake

Use older version of Rake

You can specify the version of Rake to use, in your Gemfile:

gem 'rake', '0.8.7'

Though the "error" message you are getting says it all... you need to run:

bundle exec rake ...

... in order to use the right rake to run your rake tasks.

More info on bundle exec: http://gembundler.com/man/bundle-exec.1.html

Cannot Install Older Version of Rake Gem in Rails

Run this command on the bash:

gem uninstall rake

Then you will be asked which version you want to remove. You select 0.9.2 and then you run

bundle update rake

This should do it for you...

How to run a specific version of rake

This may be of help. Have you tried the underscore solution?

Example:

rake _0.9.2_

how do you activate or set the default rake?

The newer versions of rake can be activated by supplying an optional first argument, that is the gem version.

$ rake 0.9.2

Alternatively, if you have an older version of rake you can update the rake script manually to include this parameter (or specify any specific version you want).

The rake script usually lives in /usr/bin/rake (or ~/.rvm/gems/ruby-#{ruby-name}/rake if using rvm). And dictates the version of them gem to load before parsing paramaters.

It looks like this on my system.

$ cat ~/.rvm/gems/ruby-1.9.2-p180/bin/rake

#!/home/tomcat/.rvm/rubies/ruby-1.9.2-p180/bin/ruby
#
# This file was generated by RubyGems.
#
# The application 'rake' is installed as part of a gem, and
# this file is here to facilitate running it.
#

require 'rubygems'

version = ">= 0"

if ARGV.first =~ /^_(.*)_$/ and Gem::Version.correct? $1 then
  version = $1
  ARGV.shift
end

gem 'rake', version
load Gem.bin_path('rake', 'rake', version)

The important bit is gem 'rake', version changing version will force rake to a specific version system/rvm wide.

For more info, Katz' article explains nicely how binaries run under rubygems

downgrading rake version from 10.1.1 to 10.1.0

Actually,

gem uninstall rake -v 10.1.1

and then

bundle install

Works for me. Thanks Ju Liu.

You have already activated rake 0.9.0, but your Gemfile requires rake 0.8.7

I thank to Dobry Den, cheers dude. but little more I had to do.
here is solution (works for me).
I had added

gem 'rake','0.8.7'

on Gemfile, which was not there, but my new version of rails automatically install rake(0.9.0).

after I had delete rake0.9.0 by gem uninstall rake
and after doing bundle update rake , I can create and migrate database.

Rake at wrong version despite fresh uninstall/install procedures

I was able to fix this strange issue by following these steps:

gem uninstall rake

Then

bundle update rake

This gave me the response that rake is already up-to-date, but still, i list it here - just in case.

Then

gem install rake -v=0.8.7

Furthermore in my Gemfile i had this configuration

source 'http://rubygems.org'
gem 'rails', '3.2.6'
gem 'rake', '0.8.7'

(In that order)

After doing all this i was able to run

rake generate_secret_token

successfully.

You have already activated rake 0.9.6, but your Gemfile requires rake 10.1.0. Using bundle exec may solve this

At the root of project, do:

gem list rake 

You will see probably more than one version. If so, then remove the version you don't need (i.e. 0.9.6) by command:

gem uninstall rake

it will ask which version to remove. Or try doing

bundle update rake

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