Bundler::RubyVersionMismatch: Your Ruby version is 1.9.3, but your Gemfile specified 2.0.0

Question

I am using a Mac with Pow, Ruby, Rails and a bunch of useful gems. I recently got this error whenever I try to open my app.

Bundler::RubyVersionMismatch: Your Ruby version is 1.9.3, but your Gemfile specified 2.0.0

I understand the error, but I can't find why it is not using the proper version here.

Some information that can be useful:

Stack Trace

Bundler::RubyVersionMismatch: Your Ruby version is 1.9.3, but your Gemfile specified 2.0.0
~/.rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/definition.rb:361:in `validate_ruby!'
~/.rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler.rb:116:in `setup'
~/.rvm/gems/ruby-2.0.0-p247/gems/bundler-1.3.5/lib/bundler/setup.rb:17:in `<top (required)>'
~/Dropbox/Documents/project/Sites/project-profile/config.ru:3:in `block in <main>'
~/Library/Application Support/Pow/Versions/0.4.1/node_modules/nack/lib/nack/builder.rb:4:in `instance_eval'
~/Library/Application Support/Pow/Versions/0.4.1/node_modules/nack/lib/nack/builder.rb:4:in `initialize'
~/Dropbox/Documents/project/Sites/project-profile/config.ru:1:in `new'
~/Dropbox/Documents/project/Sites/project-profile/config.ru:1:in `<main>'
~/Library/Application Support/Pow/Versions/0.4.1/node_modules/nack/lib/nack/server.rb:50:in `eval'
~/Library/Application Support/Pow/Versions/0.4.1/node_modules/nack/lib/nack/server.rb:50:in `load_config'
~/Library/Application Support/Pow/Versions/0.4.1/node_modules/nack/lib/nack/server.rb:43:in `initialize'
~/Library/Application Support/Pow/Versions/0.4.1/node_modules/nack/lib/nack/server.rb:13:in `new'
~/Library/Application Support/Pow/Versions/0.4.1/node_modules/nack/lib/nack/server.rb:13:in `run'
~/Library/Application Support/Pow/Versions/0.4.1/node_modules/nack/bin/nack_worker:4:in `<main>'

RVM & Ruby version

$> ruby -v
ruby 2.0.0p247 (2013-06-27 revision 41674) [x86_64-darwin12.5.0]
$> rvm use 
Using /Users/Alex/.rvm/gems/ruby-2.0.0-p247

Any idea what I am missing here? Thanks!

Answer 1

I finally found out the solution in RVM documentation:

Pow has removed automated detection of rvm, here is how it can be restored by creating .powenv in the root of the project, according to Pow docs it should not be checked in to source control (unless all team members agree on that).

These lines must be added to the .powenv file at the root of your project. Then after restarting the server everything worked like a charm!

# detect `$rvm_path`
if [ -z "${rvm_path:-}" ] && [ -x "${HOME:-}/.rvm/bin/rvm" ]
then rvm_path="${HOME:-}/.rvm"
fi
if [ -z "${rvm_path:-}" ] && [ -x "/usr/local/rvm/bin/rvm" ]
then rvm_path="/usr/local/rvm"
fi

# load environment of current project ruby
if
  [ -n "${rvm_path:-}" ] &&
  [ -x "${rvm_path:-}/bin/rvm" ] &&
  rvm_project_environment=`"${rvm_path:-}/bin/rvm" . do rvm env --path 2>/dev/null` &&
  [ -n "${rvm_project_environment:-}" ] &&
  [ -s "${rvm_project_environment:-}" ]
then
  echo "RVM loading: ${rvm_project_environment:-}"
  \. "${rvm_project_environment:-}"
else
  echo "RVM project not found at: $PWD"
fi