Compatibility
What works with Minecraft a1.2.3_02
Released 24 Nov 2010. Everything below comes from the projects' own published data, and each row says how we know.
Java requirement
Java 8 or newer
Published by Mojang for this exact version. An older runtime will not start it. Get a verified build.
Server software
No server software in our catalogue has published a build for a1.2.3_02. For a snapshot that is normal: server projects usually wait for the full release.
Frequently asked
Which Java version does Minecraft a1.2.3_02 need?
Java 8 or newer. Mojang publishes this requirement in the version metadata, so an older runtime will refuse to start the server.
Which server software supports a1.2.3_02?
No server software in our catalogue has published a build for a1.2.3_02 yet.