Class error when deploying to heroku

[Marc van Hoof]

superclass mismatch for class Digest::SHA3 (Digest::Class is given but was Digest::Base) when used in a project and deployed to heroku

[Steve Ellis]

What version of ruby are you using?

[Marc van Hoof]

2.5.1p57 at the moment http://about.me/mvanh Sent via Superhuman ( https://sprh.mn/?vip=[e-mail] )

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On Mon, Oct 08, 2018 at 13:14:57, Steve Ellis < ***@***.*** > wrote: What version of ruby are you using? — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub ( #33 (comment) ) , or mute the thread ( https://github.com/notifications/unsubscribe-auth/AEui9Yeyi319nMK466925ESyNKJ5GFd6ks5uit9RgaJpZM4Wa_5y ).

[Steve Ellis]

I need to investigate more, but I believe that this is an error with the sha3 repo. I believe that it no longer works with ruby 2.5+. Looks like that repo is unmaintained, so we'll probably have to fork it... probably going to take some time. I think the best immediate workaround is to switch to ruby 2.4.

[Marc van Hoof]

Ok - thanks so much - i'll try and switch to ruby 2.4 and see what happens. Will let you know  http://about.me/mvanh Sent via Superhuman ( https://sprh.mn/?vip=[e-mail] )

…

On Thu, Oct 11, 2018 at 03:14:09, Steve Ellis < ***@***.*** > wrote: I need to investigate more, but I believe that this is an error with the sha3 repo. I believe that it no longer works with ruby 2.5+. Looks like that repo is unmaintained, so we'll probably have to fork it... probably going to take some time. I think the best immediate workaround is to switch to ruby 2.4. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub ( #33 (comment) ) , or mute the thread ( https://github.com/notifications/unsubscribe-auth/AEui9cSGMyWAHMR7X0nzvPAWJ2HTVIQKks5ujkcBgaJpZM4Wa_5y ).

[Steve Ellis]

As [mentioned here](bundle config build.digest-sha3 --with-cflags="-Wno-format-security"), there is a workaround that you can add to your Gemfile:

git 'https://github.com/izetex/digest-sha3-ruby' do
  gem 'digest-sha3'
end

I've verified the above works on the latest Heroku stack, heroku-18. Alternatively, if you're just building locally and not deploying to Heroku, you can run bundle config build.digest-sha3 --with-cflags="-Wno-format-security" before running bundle install.

[Steve Ellis]

Closing this for now. Feel free to reopen if you run into it.