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RubyGems can't find bundle executable although Bundler is installed

Henning Koch
January 09, 2019Software engineer at makandra GmbH

I had this error:

> gem install bundler
Successfully installed bundler-2.0.1
1 gem installed

> bundle install
Traceback (most recent call last):
	2: from /home/henning/.rbenv/versions/2.5.1/bin/bundle:23:in `<main>'
	1: from /home/henning/.rbenv/versions/2.5.1/lib/ruby/2.5.0/rubygems.rb:308:in `activate_bin_path'
/home/henning/.rbenv/versions/2.5.1/lib/ruby/2.5.0/rubygems.rb:289:in `find_spec_for_exe': can't find gem bundler (>= 0.a) with executable bundle (Gem::GemNotFoundException)
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The cause was that Bundler 2 requires RubyGems 3.0+ to function and I was running RubyGems 2.

To update to the latest RubyGems use:

gem update --system
Posted by Henning Koch to makandra dev (2019-01-09 14:26)