Software⏱️ 2 min read📅 2026-05-30

How to Fix: Failed to install android-sdk: "java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema"

Failed to install android-sdk: java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema. Fix by updating Java version or using a different SDK installation method.

Quick Answer: Update Java version to 11 or later, which includes the required javax.xml.bind.annotation package.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. ✅ Best Solutions to Fix It
  3. 🎯 Final Words

The error "java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema" is caused by a missing XML schema library in the Java installation. This issue can occur when installing Android SDK tools using Homebrew on macOS.

🛑 Root Causes of the Error

  • The Android SDK tools require a specific version of Java that includes the XML schema library.

✅ Best Solutions to Fix It

Method 1: Update Java Installation

  1. Step 1: Open the Terminal and run the command `brew install java` to update the Java installation.

Method 2: Install Android SDK with a Custom Java Installation

  1. Step 1: Open the Terminal and run the command `brew install android-sdk --custom-java-path /usr/lib/jvm/java-9-openjdk-amd64` to install Android SDK tools with a custom Java installation.

🎯 Final Words

By following these steps, you should be able to fix the "java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema" error when installing Android SDK tools.

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