弹性beantalk'bundle exec rails c'找不到gem，rake和其他命令可以找到

Question

我正在测试当前在其他提供程序上部署的Rails应用程序的Elastic Beanstalk上的新部署。 该应用程序成功部署，并且可以正常浏览。

但是，如果在切换到环境后尝试启动控制台（ bundle exec rails c ），则会得到以下信息：

Could not find rake-12.3.1 in any of the sources
Run `bundle install` to install missing gems.

bundle list为我提供了所有已安装的gem：

  * CFPropertyList (2.3.3)
  * RedCloth (4.2.9)
  .
  . (removed to allow it to fit into the question character limit)
  .
  * will_paginate-bootstrap (1.0.1)
  * xml-simple (1.1.5)
  * xpath (2.0.0)

bundle env给我以下内容：

```
Bundler       1.16.2
  Platforms   ruby, x86_64-linux
Ruby          2.3.8p459 (2018-10-18 revision 65136) [x86_64-linux]
  Full Path   /opt/rubies/ruby-2.3.8/bin/ruby
  Config Dir  /opt/rubies/ruby-2.3.8/etc
RubyGems      2.7.7
  Gem Home    /home/ec2-user/.gem/ruby/2.3.8
  Gem Path    /home/ec2-user/.gem/ruby/2.3.8:/opt/rubies/ruby-2.3.8/lib/ruby/gems/2.3.0
  User Path   /home/ec2-user/.gem/ruby/2.3.0
  Bin Dir     /home/ec2-user/.gem/ruby/2.3.8/bin
Tools         
  Git         2.14.5
  RVM         not installed
  rbenv       not installed
  chruby      0.3.9
```

## Bundler Build Metadata

```
Built At          2019-01-19
Git SHA           
Released Version  false
```

## Bundler settings

```
without
  Set for your local app (/var/app/current/.bundle/config): [:test, :development]
  Set via BUNDLE_WITHOUT: [:test, :development]
disable_shared_gems
  Set via BUNDLE_DISABLE_SHARED_GEMS: true
path
  Set via BUNDLE_PATH: "vendor/bundle"
```

## Gemfile

### Gemfile

```ruby
source 'https://rubygems.org'

gem 'rails', '~> 4.2.0'
gem 'rails-i18n', '~> 4.0.0'
gem 'sprockets-es6', '~> 0.9.2'

  .
  . (removed to allow it to fit into the question character limit)
  .
PLATFORMS
  ruby

DEPENDENCIES
  RedCloth (~> 4.2.3)
  active_scaffold!
  activemodel
  activerecord-session_store
  acts-as-taggable-on (~> 4.0)
  awesomemailer!
  axlsx!
  better_errors
  binding_of_caller
  bootstrap-editable-rails
  bootstrap-growl-rails
  bundler (>= 1.13.6)
  byebug
  calendar_date_select
  capybara
  carrierwave
  coffee-rails
  cucumber-rails
  daemons (= 1.1.0)
  database_cleaner
  decent_exposure
  delayed_job_active_record
  delayed_job_groups_plugin
  dynamic_form
  email_spec
  exception_notification
  factory_girl
  factory_girl_rails
  faker
  fog
  font-awesome-rails (~> 4.5)
  geokit-rails
  haml-rails
  html2haml
  icalendar
  inky-rb
  intercom-rails
  jquery-rails
  jquery-ui-rails
  less-rails (~> 3.0.0)
  less-rails-bootstrap!
  letter_opener
  mini_magick
  mocha
  mysql2 (~> 0.3.0)
  name_splitter
  newrelic_rpm
  omniauth-stripe-connect
  page_title_helper
  paperclip (~> 4.3)
  pickle
  plivo
  powder
  premailer-rails
  protected_attributes
  puma
  rack (= 1.6.10)
  rails (~> 4.2.0)
  rails-dom-testing
  rails-i18n (~> 4.0.0)
  rails-jquery-autocomplete
  rails-observers
  rails_autolink
  rake
  rb-readline
  recaptcha
  redactor2_rails
  responders
  rmagick
  rspec-collection_matchers
  rspec-expectations
  rspec-html-matchers
  rspec-rails (~> 3.1)
  rspec-rails-mocha!
  rspec-retry
  rspec_junit_formatter
  rubyzip
  sanitize_email
  sass-rails
  search_cop!
  selenium-webdriver
  sendgrid
  sendgrid-ruby
  shoulda
  shoulda-matchers
  simple_form
  skylight
  spring
  spring-commands-rspec
  sprockets-es6 (~> 0.9.2)
  squeel
  stripe
  stripe-ruby-mock (~> 2.5.0)
  syntax
  therubyracer
  thin
  timecop (= 0.3.5)
  truncate_html
  uglifier
  unicorn
  validates_timeliness (~> 3.0.2)
  will_paginate (~> 3.0)
  will_paginate-bootstrap
  xray-rails

BUNDLED WITH
   1.16.1
```

而且我可以成功运行rake任务： bundle exec rake cron:create_remittance_records

使用相同的Gemfile和Gemfile.lock以及在AWS上使用相同设置部署的新rails 4.2.11，我能够运行bundle exec rails c ，因此它一定是我的应用程序中的东西，但是我对什么感到困惑可能会影响Rails加载宝石的能力。

AWS支持人员也无法解决问题。

任何帮助是极大的赞赏。