Software⏱️ 2 min read📅 2026-06-03

How to Fix: update-java-alternatives vs update-alternatives --config java

Learn how to fix: update-java-alternatives vs update-alternatives --config java.

Quick Answer: Try checking your system settings or restarting.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🚀 How to Resolve This Issue
  3. 🎯 Final Words

The problem lies in the fact that you are trying to update the Java alternatives configuration using two different commands: update-java-alternatives and update-alternatives --config java. These commands serve the same purpose, but they do so in slightly different ways.

🛑 Root Causes of the Error

  • The root cause of this issue is that update-alternatives --config java does not update the Java alternatives configuration correctly.

🚀 How to Resolve This Issue

Method 1: Using the Correct Command

  1. Step 1: Replace update-alternatives --config java with update-java-alternatives --config java to update the Java alternatives configuration correctly.

Method 2: Removing and Reinstalling

  1. Step 1: Remove the existing Java alternatives configuration by running update-alternatives --remove java.

Method 2 (continued)

  1. Step 1: Install the OpenJDK 6 package by running sudo apt-get install openjdk-6-jdk.

🎯 Final Words

By following one of these methods, you should be able to resolve the issue and update the Java alternatives configuration correctly.

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