warningServer ErrorsAffects: 1.16+
How to Fix Geyser/Floodgate Connection Errors
Fix Geyser/Floodgate errors by updating to matching versions and opening UDP port 19132.
Quick Fix
Update Geyser and Floodgate to matching versions. Open UDP port 19132 for Bedrock players.
Error Message
Geyser failed to initialize / Floodgate auth errorHow to Fix
1
Update Geyser and Floodgate to the latest matching versions
2
Open UDP port 19132 in firewall and router
3
Ensure Floodgate key.pem matches between all servers in a network
4
Check Geyser config for correct remote address and port
Common Causes
- Geyser or Floodgate version mismatch
- Port 19132 not open for Bedrock connections
- Floodgate key mismatch between proxy and backend
Diagnostic Steps
- Update both plugins
- Check port 19132 UDP is open
- Verify config settings
- Restart the server
FAQ
Do Bedrock players need to own Java Edition?
No. With Geyser and Floodgate, Bedrock players can join with just their Bedrock account.