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私は最近、私のアプリをherokuに配備したときに、devise gemがrubyバージョンのために悲しみを引き起こしているように見えることに気付きました。私は工夫のバージョン3.9を下げ試してみましたが、これはまだあなたのGemfileにルビーを指定するか、いっそのこと、あなたのHerokuのアプリの設定で環境変数を設定することができ、それherokuでの作業がなくなった
-----> Using set buildpack heroku/ruby
-----> Ruby app detected
-----> Compiling Ruby/Rails
-----> Using Ruby version: ruby-2.0.0
-----> Installing dependencies using bundler 1.11.2
Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin -j4 --deployment
Fetching gem metadata from https://rubygems.org/...........
Fetching version metadata from https://rubygems.org/...
Fetching dependency metadata from https://rubygems.org/..
Rubygems 2.0.14.1 is not threadsafe, so your gems will be installed one at a time. Upgrade to Rubygems 2.1.0 or higher to enable parallel gem installation.
Using rake 11.1.2
Installing aasm 4.10.0
Using i18n 0.7.0
Using json 1.8.3
Using minitest 5.8.4
Using thread_safe 0.3.5
Using builder 3.2.2
Using erubis 2.7.0
Using mini_portile2 2.0.0
Using rack 1.6.4
Using mime-types-data 3.2016.0221
Using arel 6.0.3
Using execjs 2.6.0
Using bcrypt 3.1.11
Using tilt 2.0.2
Using highline 1.7.8
Using sexp_processor 4.7.0
Using safe_yaml 1.0.4
Using sass 3.4.22
Using temple 0.7.6
Using terminal-table 1.5.2
Using cancancan 1.13.1
Using coffee-script-source 1.10.0
Using thor 0.19.1
Using concurrent-ruby 1.0.1
Using dalli 2.7.6
Using orm_adapter 0.5.0
Installing geocoder 1.3.4
Using jwt 1.5.4
Using kgio 2.10.0
Using memcachier 0.0.2
Using multi_json 1.11.2
Using pg 0.18.4
Installing puma 3.4.0 with native extensions
Using bundler 1.11.2
Using rails_serve_static_assets 0.0.5
Using rails_stdout_logging 0.0.5
Using rolify 5.1.0
Using tzinfo 1.2.2
Installing braintree 2.60.0
Using nokogiri 1.6.7.2
Using rack-test 0.6.3
Using warden 1.2.6
Using mime-types 3.0
Using autoprefixer-rails 6.3.6
Using uglifier 3.0.0
Using haml 4.0.7
Using ruby_parser 3.8.1
Using slim 3.0.6
Using coffee-script 2.4.1
Installing sprockets 3.6.0
Using twilio-ruby 4.11.1
Using rails_12factor 0.0.3
Using activesupport 4.2.4
Using loofah 2.0.3
Using mail 2.6.4
Using material_design_lite-sass 1.1.3
Using ruby2ruby 2.3.0
Using html2haml 2.0.0
Using rails-deprecated_sanitizer 1.0.3
Using globalid 0.3.6
Using activemerchant 1.58.0
Using activemodel 4.2.4
Using rails-html-sanitizer 1.0.3
Using brakeman 3.2.1
Using rails-dom-testing 1.0.7
Using activejob 4.2.4
Using activerecord 4.2.4
Using actionview 4.2.4
Using friendly_id 5.1.0
Using pg_search 1.0.5
Using actionpack 4.2.4
Using actionmailer 4.2.4
Using railties 4.2.4
Using kaminari 0.16.3
Using sprockets-rails 3.0.4
Using coffee-rails 4.1.1
Using responders 2.1.2
Using jquery-rails 4.1.1
Using rails 4.2.4
Using sass-rails 5.0.4
Installing devise 4.0.0
Gem::InstallError: devise requires Ruby version >= 2.1.0.
An error occurred while installing devise (4.0.0), and Bundler cannot continue.
Make sure that `gem install devise -v '4.0.0'` succeeds before bundling.
Bundler Output: Fetching gem metadata from https://rubygems.org/...........
Fetching version metadata from https://rubygems.org/...
Fetching dependency metadata from https://rubygems.org/..
Rubygems 2.0.14.1 is not threadsafe, so your gems will be installed one at a time. Upgrade to Rubygems 2.1.0 or higher to enable parallel gem installation.
Using rake 11.1.2
Installing aasm 4.10.0
Using i18n 0.7.0
Using json 1.8.3
Using minitest 5.8.4
Using thread_safe 0.3.5
Using builder 3.2.2
Using erubis 2.7.0
Using mini_portile2 2.0.0
Using rack 1.6.4
Using mime-types-data 3.2016.0221
Using arel 6.0.3
Using execjs 2.6.0
Using bcrypt 3.1.11
Using tilt 2.0.2
Using highline 1.7.8
Using sexp_processor 4.7.0
Using safe_yaml 1.0.4
Using sass 3.4.22
Using temple 0.7.6
Using terminal-table 1.5.2
Using cancancan 1.13.1
Using coffee-script-source 1.10.0
Using thor 0.19.1
Using concurrent-ruby 1.0.1
Using dalli 2.7.6
Using orm_adapter 0.5.0
Installing geocoder 1.3.4
Using jwt 1.5.4
Using kgio 2.10.0
Using memcachier 0.0.2
Using multi_json 1.11.2
Using pg 0.18.4
Installing puma 3.4.0 with native extensions
Using bundler 1.11.2
Using rails_serve_static_assets 0.0.5
Using rails_stdout_logging 0.0.5
Using rolify 5.1.0
Using tzinfo 1.2.2
Installing braintree 2.60.0
Using nokogiri 1.6.7.2
Using rack-test 0.6.3
Using warden 1.2.6
Using mime-types 3.0
Using autoprefixer-rails 6.3.6
Using uglifier 3.0.0
Using haml 4.0.7
Using ruby_parser 3.8.1
Using slim 3.0.6
Using coffee-script 2.4.1
Installing sprockets 3.6.0
Using twilio-ruby 4.11.1
Using rails_12factor 0.0.3
Using activesupport 4.2.4
Using loofah 2.0.3
Using mail 2.6.4
Using material_design_lite-sass 1.1.3
Using ruby2ruby 2.3.0
Using html2haml 2.0.0
Using rails-deprecated_sanitizer 1.0.3
Using globalid 0.3.6
Using activemerchant 1.58.0
Using activemodel 4.2.4
Using rails-html-sanitizer 1.0.3
Using brakeman 3.2.1
Using rails-dom-testing 1.0.7
Using activejob 4.2.4
Using activerecord 4.2.4
Using actionview 4.2.4
Using friendly_id 5.1.0
Using pg_search 1.0.5
Using actionpack 4.2.4
Using actionmailer 4.2.4
Using railties 4.2.4
Using kaminari 0.16.3
Using sprockets-rails 3.0.4
Using coffee-rails 4.1.1
Using responders 2.1.2
Using jquery-rails 4.1.1
Using rails 4.2.4
Using sass-rails 5.0.4
Installing devise 4.0.0
Gem::InstallError: devise requires Ruby version >= 2.1.0.
An error occurred while installing devise (4.0.0), and Bundler cannot continue.
Make sure that `gem install devise -v '4.0.0'` succeeds before bundling.
!
! Failed to install gems via Bundler.
!
! Push rejected, failed to compile Ruby app
「deviseにはRubyのバージョンが必要です> = 2.1.0'」Rubyを2.1にアップグレードしようとしましたか？ – Pavan
herokuでこれを行うにはどうすればいいですか –
地元で同じ問題がありますか？ – Pavan