class Bundler::Fetcher::CertificateFailureError

This is the error raised if OpenSSL fails the cert verification

def initialize(remote_uri) 

def initialize(remote_uri)
  remote_uri = filter_uri(remote_uri)
  super "Could not verify the SSL certificate for #{remote_uri}.\nThere" \
    " is a chance you are experiencing a man-in-the-middle attack, but" \
    " most likely your system doesn't have the CA certificates needed" \
    " for verification. For information about OpenSSL certificates, see" \
    " https://railsapps.github.io/openssl-certificate-verify-failed.html." \
    " To connect without using SSL, edit your Gemfile" \
    " sources and change 'https' to 'http'."
end