Your Ruby version is 2.3.1, but your Gemfile specified 2.3.1 (same version) -


so ran following problem:

your ruby version 2.3.1, gemfile specified 2.3.1

says heroku when deployed app. error should happen when have mismatch current ruby version , gemfile's ruby version.

you can see code here

here's build output:

remote: -----> ruby app detected remote: -----> compiling ruby/rails remote: -----> using ruby version: ruby-2.3.1 remote: -----> installing dependencies using bundler 1.11.2 remote:        ruby version change detected. clearing bundler cache. remote:        old: ruby 2.2.4p230 (2015-12-16 revision 53155) [x86_64-linux] remote:        new: ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-linux] remote:        running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin -j4 --deployment remote:        warning: running version of bundler older version created lockfile. suggest upgrade latest version of bundler running `gem install bundler`. remote:        ruby version 2.3.1, gemfile specified 2.3.1 remote:        bundler output: warning: running version of bundler older version created lockfile. suggest upgrade latest version of bundler running `gem install bundler`. remote:        ruby version 2.3.1, gemfile specified 2.3.1 remote:  ! remote:  !     failed install gems via bundler. remote:  ! remote:  !     push rejected, failed compile ruby app. remote: remote:  !     push failed remote: verifying deploy.... remote: remote: !   push rejected chatisto. remote: 

what's causing error?

woooooow, nasty fail. 😂

found problem:

i read ruby version out of .ruby-version rbenv generates file when executing rbenv local 2.3.1 . file had break after version number. (fixed here)

i used code read it:

ruby_version_file = file.expand_path(".ruby-version", __dir__) ruby file.read(ruby_version_file)  

while file.read(ruby_version_file) returned "2.3.1\n"... in heroku build log hard see.


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