Error ruby

Resolve Error: Ignoring redcarpet-3.4.0 because its extensions are not built.

Introduces how to handle the error 'Ignoring redcarpet-3.4.0 because its extensions are not built.' in Jekyll, a static blog site generation framework in the Ruby programming language. <code>gem install</code> It seems you need to do not only bundle install but also gem install...

Shou Arisaka

1 min read

Oct 16, 2025

Introduces how to handle the error: Ignoring redcarpet-3.4.0 because its extensions are not built. in Jekyll, a static blog site generation framework in the Ruby programming language.

This error appears if you haven’t run gem install redcarpet. It seems you need to do not only bundle install but also gem install.

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Shou Arisaka Oct 16, 2025

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About the Developer

Shou Arisaka

Started web development at 15 by launching a WordPress site. The following year, began microservice development using Ruby on Rails. Currently involved in Next.js website creation supporting the Digital Agency and SaaS development projects, while also pursuing personal modern web app development using React.js, Node.js, and TypeScript as a hobby. Specializes in agile full-stack development from frontend to backend, handling web marketing and advertising design as needed, providing cost-effective and high-quality customer experiences through advertising operations, AI-driven development, and data analysis. Developer, designer, and writer of the IT blog 'DebugTips', which has been supported by over 2 million people worldwide and is celebrating its 9th anniversary. Currently working hard to make the independently developed SNS 'Intrawrite' (currently in beta) Japan's leading domestic social network.