criticalServer ErrorsAffects: All versions
How to Fix Server Failed to Start
Fix Server Failed to Start by accepting the EULA, verifying Java, and checking logs for specific errors.
Quick Fix
Accept the EULA by setting eula=true in eula.txt. Check server logs for specific errors.
Error Message
Failed to start the minecraft serverHow to Fix
1
Set eula=true in eula.txt
2
Check server logs for the specific error
3
Verify Java version: java -version
4
Remove recently added plugins or mods
5
Reset server.properties to defaults
6
Try starting with a fresh world
Common Causes
- Invalid server.properties configuration
- Corrupted world data
- Missing or incompatible Java version
- EULA not accepted
- Corrupt plugin or mod
Diagnostic Steps
- Check eula.txt for eula=true
- Read the full console output for errors
- Verify Java version
- Start with no plugins/mods and add back one at a time
FAQ
What if the server starts but immediately stops?
Check the logs folder for the latest log file. The error will be at the bottom of the log, telling you exactly what went wrong.
Related Errors
How to Fix Failed to Bind to Port
FAILED TO BIND TO PORT! Perhaps a server is already running on that port?
How to Fix EULA Not Accepted
You need to agree to the EULA in order to run the server. Go to eula.txt for more info.
How to Fix World Corruption
Exception generating new chunk / Failed to load level.dat
