Software⏱️ 2 min read📅 2026-05-30

How to Fix: Error installing mysql2: Failed to build gem native extension

Error installing mysql2 gem native extension fix.

Quick Answer: Try reinstalling the gem with the --build-extensions flag, or use a different database adapter like pg.

The 'Error installing mysql2: Failed to build gem native extension' error typically occurs when the MySQL development library is not installed on your system. This can be due to various reasons, such as the library being missing or outdated.

💡 Why You Are Getting This Error

  • [Cause]

✅ Best Solutions to Fix It

Method 1: Install MySQL Development Library

  1. Step 1: Open your terminal or command prompt and run the following command to install the MySQL development library on Ubuntu/Debian-based systems: sudo apt-get install libmysql-dev

Method 2: Install MySQL Development Library (Windows/Mac)

  1. Step 1: Download the MySQL installer from the official MySQL website and follow the installation instructions for your operating system.

🎯 Final Words

[Wrap-up]

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