Bundle Install Could Not Find Compatible Versions For Gem "bundler"


Answer :

Alternatively, you can also remove bundler 2.x completely and only use Bundler 1.x:

gem uninstall bundler -v ">= 2.0"  gem install bundler -v "< 2.0"   # Now you can use bundler as before bundle install

Try to use

gem install bundler -v 1.17.3 bundle _1.17.3_ install

Your bundler gem is too big. You can downgrade for now by changing your gemfile to specify the lower version, and deleting the lock file again.

gem 'bundler', '1.17.1'

Then try these commands in the terminal

gem install bundler -v 1.17.1 gem uninstall bundler -v 2.0.1 bundle update --bundler bundle install

That last install command might be redundant. I'm on my phone so I can't test anything unfortunately.

Best of luck!

EDIT:

This is now a Heroku issue. Got it. Heroku docs regarding Bundler

Libraries The following libraries are used by the platform for managing and running >Ruby applications and cannot be specified. For application dependency resolution and management, bundler is installed based on the contents of your Gemfile.lock. If you have a BUNDLED WITH in your Gemfile.lock then you will receive a different version of Bundler:

Applications specifying Bundler 2.x in their Gemfile.lock will receive bundler: 2.0.1 Applications specifying Bundler 1.x in their Gemfile.lock will receive bundler: 1.15.2 Applications with no BUNDLED WITH in their Gemfile.lock will default to bundler: 1.15.2 For more information on available settings see Bundler configuration. For more information on why we only support a specific set of bundler versions, please see this article about your Bundler version.

So it seems like Heroku only allows certain versions of Bundler to be compatible, relevant doc is linked. Downgrade to 1.15.2 and give it another shot.


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