Loaderror: Libffi. So.8: Cannot Open Shared Object File: No Such File or Directory Running Rails

I am having trouble with creating a new rails project. When I run rails new project_name it comes to the rails webpacker:install it fails with the following error:

LoadError: libffi.so.8: cannot open shared object file: No such file or directory - /home/matija/.asdf/installs/ruby/3.0.2/lib/ruby/gems/3.0.0/gems/ffi-1.15.4/lib/ffi_c.so
/home/matija/Documents/learning-rails/course-project/config/application.rb:7:in `<main>'
/home/matija/Documents/learning-rails/course-project/Rakefile:4:in `<main>'
/home/matija/Documents/learning-rails/course-project/bin/rails:5:in `<top (required)>'
<internal:/home/matija/.asdf/installs/ruby/3.0.2/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
<internal:/home/matija/.asdf/installs/ruby/3.0.2/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
/home/matija/Documents/learning-rails/course-project/bin/spring:10:in `block in <top (required)>'
<internal:kernel>:90:in `tap'
/home/matija/Documents/learning-rails/course-project/bin/spring:7:in `<top (required)>'
bin/rails:2:in `load'
bin/rails:2:in `<main>'

Caused by:
LoadError: cannot load such file -- 3.0/ffi_c
/home/matija/Documents/learning-rails/course-project/config/application.rb:7:in `<main>'
/home/matija/Documents/learning-rails/course-project/Rakefile:4:in `<main>'
/home/matija/Documents/learning-rails/course-project/bin/rails:5:in `<top (required)>'
<internal:/home/matija/.asdf/installs/ruby/3.0.2/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
<internal:/home/matija/.asdf/installs/ruby/3.0.2/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
/home/matija/Documents/learning-rails/course-project/bin/spring:10:in `block in <top (required)>'
<internal:kernel>:90:in `tap'
/home/matija/Documents/learning-rails/course-project/bin/spring:7:in `<top (required)>'
bin/rails:2:in `load'
bin/rails:2:in `<main>'
(See full trace by running task with --trace)

I am using ASDF for ruby version management.

I tried many solutions like uninstalling and installing the gem, running gem pristine and some other methods that are provided on SO and here.

3

1 Answer

Thanks to @Knud Larsen, this worked for me on Ubuntu 20.04:

wget 
sudo dpkg -i ./libffi8_3.4.2-1ubuntu5_amd64.deb

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David Miller

David Miller

Executive Financial & Market Analyst

David Miller brings 15 years of experience in global economics, personal finance strategy, and market dynamics. He specializes in turning complex economic trends into actionable insights for everyday readers.

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