Rails: wkhtmltopdf RuntimeError (Location of wkhtmltopdf unknown)

Question

I am using Ubuntu 11.04 to develop an app in Ruby on Rails. In the app I need to generate pdf documents. So I am using the wicked_pdf and wkhtmltopdf-binary gems.

In the development environment in my system everything is working fine. But once I deployed the app in production on CentOS 5.6 using Phusion Passenger, when I try to generate pdfs on the fly its giving me the following error:

RuntimeError (Location of wkhtmltopdf unknown)

I am using Ruby1.9.2.p136 Rails 3.1.1

Any help will be much appreciated....Thanks.

Promise Preston · Accepted Answer · 2020-02-25 20:43:06Z

An alternative is to install the binary via the Gemfile.

Just add the following line to your production group:

gem 'wkhtmltopdf-binary'

That should add binary support for linux-i386, amd64, and darwin.

And then run

bundle install --without development test

to install the gem in a production environment. After which, you just restart your server.

That's all.

I hope this helps

ben · Accepted Answer · 2011-10-11 10:49:35Z

do you use static wkhtmltopdf binary? i downloaded it here and extraced it to /path/to/rails_app/bin

and add it to rails like this:

#config/initializers/wicked_pdf.rb WickedPdf.config = { :exe_path => Rails.root.join('bin', 'wkhtmltopdf-i386').to_s, }

Changed from i386 to amd64 and this worked for Heroku as well.

Hannes · Accepted Answer · 2014-10-27 07:42:27Z

8

for mac os - x you should install wkhtmltopdf by homebrew

$ brew tap homebrew/boneyard # the wkhtmltopdf formula is now inactive but still available in the boneyard repository $ brew install wkhtmltopdf

edited Oct 27, 2014 at 7:42

answered Aug 30, 2012 at 16:41

Hannes

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2 Comments

Lucas Caton Over a year ago

It's not available anymore: Error: No available formula for wkhtmltopdf

Hannes Over a year ago

try again but first install boneyard: $ brew tap homebrew/boneyard the brew formular wkhtmltopdf is inactive but still available under the boneyard repo

Lucas Caton · Accepted Answer · 2014-11-02 08:24:52Z

Solution for OS X Yosemite

To get it working on Mac OS X 10.10 (Yosemite), install the wkhtmltopdf-binary gem and then put it in your config/initializers/wicked_pdf.rb:

module WickedPdfHelper if Rails.env.development? if RbConfig::CONFIG['host_os'] =~ /linux/ executable = RbConfig::CONFIG['host_cpu'] == 'x86_64' ? 'wkhtmltopdf_linux_x64' : 'wkhtmltopdf_linux_386' elsif RbConfig::CONFIG['host_os'] =~ /darwin/ executable = 'wkhtmltopdf_darwin_386' else raise 'Invalid platform. Must be running linux or intel-based Mac OS.' end WickedPdf.config = { exe_path: "#{Gem.bin_path('wkhtmltopdf-binary').match(/(.+)\/.+/).captures.first}/#{executable}" } end end

Ps.: This solution will work on Linux too.

Great! This worked for me. Do you any idea why this is now needed?
For mac osx, same way that @ben noticed, just you should set path where your binary file is placed, and also put right name, for example: Rails.root.join('/usr/local/bin', 'wkhtmltopdf').to_s,

Sohair Ahmad · Accepted Answer · 2017-02-10 10:43:33Z

MAC OSX:

brew install wkhtmltopdf

this will let you to install

brew install Caskroom/cask/wkhtmltopdf

then in config/initializers/wicked_pdf.rb

WickedPdf.config = { exe_path: '/usr/local/bin/wkhtmltopdf' }

Magnuss · Accepted Answer · 2015-09-16 07:34:18Z

Just had a similar problem.

As stated in readme, I created an initializer with:

WickedPdf.config = { exe_path: '/usr/local/bin/wkhtmltopdf' }

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