How to change the minecraft java version?
Changing Java for Minecraft: A Step-by-Step Guide
Milo
Last Update vor einem Monat
Changing the Java version of your Minecraft server is essential when updating to other Minecraft versions, ensuring compatibility and optimal performance. Different Minecraft versions require specific Java versions, so keeping Java up to date helps prevent errors and improves stability. This guide will walk you through the process of checking your current Java version, changing it, and configuring your server to run with the correct Java version.
Step 1: Locating the Docker Image Setting
To begin changing your Java version, navigate to the "Startup" tab in your GamePanel. This section contains essential configuration options for your Minecraft server. Locate the "Docker Image" setting this is where you can adjust the Java version to match your Minecraft version requirements.
For example:
Minecraft 1.8 requires Java 8
Minecraft 1.21 requires Java 21
Once you've identified the correct Java version, proceed to Step 2 to apply the changes and restart your server.
Step 2: Restarting Your Server & Verifying Java Version
Once you’ve adjusted the Docker Image setting to the correct Java version, the next step is to restart your server to apply the changes.
Navigate to the Console Tab – Go to the Console section in your GamePanel.
Restart Your Server – Press the Restart button to reboot your Minecraft server.
Monitor for Errors – If the server starts without errors or issues, you can be confident that the Java version has been correctly updated.
If problems occur during startup, double-check that you selected the correct Java version for your Minecraft server. You may also want to review logs for further troubleshooting.
Troubleshooting & Extra Help
If you encounter issues while changing the Java version on your Minecraft server, consider the following solutions:
Verify the selected Java version – Make sure you've chosen the correct Java version for your Minecraft version.
Check the Docker Image setting – Double-check that the Java version has been properly updated in the "Startup" section of your GamePanel.
Restart the server again – Sometimes, a second restart is necessary for the changes to take full effect.
Check server logs – If errors appear, review the console logs to identify the issue.
Confirm compatibility with plugins/mods – Some plugins and mods only work with specific Java versions, so check their requirements.
Need more help? If issues persist, reach out to support for assistance with configuring Java for your server.
Last updated: 09/06/2025