The supported Java gameplay path is the ViaProxy/ViaBedrock relay:
Minecraft Java
-> ViaProxy on localhost:25565
-> ViaBedrock
-> local Bedrock relay on 127.0.0.1:19133
-> selected Bedrock Realm over NetherNet
Start it from the desktop GUI or with:
.\run-bridge-via-bedrock-relay-latest.ps1 -RealmName "Example Realm"The separate java-lan:stub command remains a status/login probe. It advertises to Java LAN discovery, responds to server-list status, parses login-start packets, and disconnects before gameplay.
For native Bedrock protocol baselines, select Bedrock packet recorder in the desktop GUI or run:
.\run-bedrock-packet-recorder-latest.ps1 -RealmName "Example Realm"Then connect Minecraft Bedrock Edition to 127.0.0.1:19133.