Bundler Error during Deployment - undefined method `size' for nil:NilClass in wkhtmltopdf-binary gem #166
Description
Issue Summary:
I encountered an issue while deploying a Rails application using Capistrano. The deployment process fails during the bundler:install task with the following error:
Exception while verifying /path/to/bundle/cache/wkhtmltopdf-binary-0.12.6.6.gem
NoMethodError: undefined method `size' for nil:NilClass
@READ += ret.size
Environment:
Ruby version: 3.1.2
Bundler version: 2.4.22
Steps to Reproduce:
Clone the repository.
Run cap production deploy to deploy the Rails application.
Expected Behavior:
The deployment process should complete successfully without errors.
Actual Behavior:
The deployment fails with the mentioned error related to the wkhtmltopdf-binary gem.
Additional Information:
Gemfile content:
source "https://rubygems.org"
git_source(:github) { |repo| "https://github.com/#{repo}.git" }
ruby "3.1.2"
# Use Sass to process CSS
gem "sassc-rails"
# Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
gem "rails", "~> 7.0.8"
gem 'activeadmin'
gem 'devise'
gem 'pundit'
# The original asset pipeline for Rails [https://github.com/rails/sprockets-rails]
gem "sprockets-rails"
# Use postgresql as the database for Active Record
gem "pg", "~> 1.1"
# Use the Puma web server [https://github.com/puma/puma]
gem "puma", "~> 4.0"
# Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails]
gem "importmap-rails"
# Hotwire's SPA-like page accelerator [https://turbo.hotwired.dev]
gem "turbo-rails"
# Hotwire's modest JavaScript framework [https://stimulus.hotwired.dev]
gem "stimulus-rails"
# Build JSON APIs with ease [https://github.com/rails/jbuilder]
gem "jbuilder"
# Use Redis adapter to run Action Cable in production
gem "redis", "~> 4.0"
# Use Kredis to get higher-level data types in Redis [https://github.com/rails/kredis]
# gem "kredis"
# Use Active Model has_secure_password [https://guides.rubyonrails.org/active_model_basics.html#securepassword]
# gem "bcrypt", "~> 3.1.7"
# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
gem "tzinfo-data", platforms: %i[ mingw mswin x64_mingw jruby ]
# Reduces boot times through caching; required in config/boot.rb
gem "bootsnap", require: false
gem 'wkhtmltopdf-binary', '~> 0.12.6.6'
gem 'wicked_pdf'
# Use Active Storage variants [https://guides.rubyonrails.org/active_storage_overview.html#transforming-images]
gem "image_processing", '>= 1.2'
group :development do
gem "debug", platforms: %i[ mri mingw x64_mingw ]
# Use console on exceptions pages [https://github.com/rails/web-console]
gem "web-console"
# Add speed badges [https://github.com/MiniProfiler/rack-mini-profiler]
# gem "rack-mini-profiler"
# Speed up commands on slow machines / big apps [https://github.com/rails/spring]
# gem "spring"
gem 'rvm1-capistrano3', require: false
gem 'capistrano-bundler', require: false
gem "capistrano", "~> 3.10", require: false
gem "capistrano-rails", "~> 1.6", require: false
end
group :test do
# Use system testing [https://guides.rubyonrails.org/testing.html#system-testing]
gem "capybara"
gem "selenium-webdriver"
endPossible Solutions (if any):
I have tried different possible solutions found on Google but they did not work.
References:
Note:
This issue seems to be specific to the wkhtmltopdf-binary gem during the deployment process. I have checked for existing reports on the RubyGems GitHub repository, and no similar issues were found. I'm creating this issue to seek assistance in resolving the problem.