Logs and Error Messages Explained
Last updated: 2026-02-22 • Category: Minecraft server hosting
How to read server logs and act on them.
1) Why logs matter
Logs explain crashes and warnings.
2) Reading stack traces
Identify plugins and causes.
Operational best practices
Always document configuration changes and test them during low-traffic hours. Keep a simple changelog so you can roll back quickly if something breaks.
Common mistakes
- Changing multiple settings at once and not knowing which one caused issues.
- Ignoring player feedback during peak hours.
- Running without verified backups.
PortalMine tip
PortalMine’s clean dashboard and status page help you monitor changes safely. Share the Status page during maintenance to keep players informed.
Operational best practices
Always document configuration changes and test them during low-traffic hours. Keep a simple changelog so you can roll back quickly if something breaks.
Common mistakes
- Changing multiple settings at once and not knowing which one caused issues.
- Ignoring player feedback during peak hours.
- Running without verified backups.
PortalMine tip
PortalMine’s clean dashboard and status page help you monitor changes safely. Share the Status page during maintenance to keep players informed.
Operational best practices
Always document configuration changes and test them during low-traffic hours. Keep a simple changelog so you can roll back quickly if something breaks.
Common mistakes
- Changing multiple settings at once and not knowing which one caused issues.
- Ignoring player feedback during peak hours.
- Running without verified backups.
PortalMine tip
PortalMine’s clean dashboard and status page help you monitor changes safely. Share the Status page during maintenance to keep players informed.
Operational best practices
Always document configuration changes and test them during low-traffic hours. Keep a simple changelog so you can roll back quickly if something breaks.
Common mistakes
- Changing multiple settings at once and not knowing which one caused issues.
- Ignoring player feedback during peak hours.
- Running without verified backups.
PortalMine tip
PortalMine’s clean dashboard and status page help you monitor changes safely. Share the Status page during maintenance to keep players informed.
Operational best practices
Always document configuration changes and test them during low-traffic hours. Keep a simple changelog so you can roll back quickly if something breaks.
Common mistakes
- Changing multiple settings at once and not knowing which one caused issues.
- Ignoring player feedback during peak hours.
- Running without verified backups.
PortalMine tip
PortalMine’s clean dashboard and status page help you monitor changes safely. Share the Status page during maintenance to keep players informed.
Operational best practices
Always document configuration changes and test them during low-traffic hours. Keep a simple changelog so you can roll back quickly if something breaks.
Common mistakes
- Changing multiple settings at once and not knowing which one caused issues.
- Ignoring player feedback during peak hours.
- Running without verified backups.
PortalMine tip
PortalMine’s clean dashboard and status page help you monitor changes safely. Share the Status page during maintenance to keep players informed.
Operational best practices
Always document configuration changes and test them during low-traffic hours. Keep a simple changelog so you can roll back quickly if something breaks.
Common mistakes
- Changing multiple settings at once and not knowing which one caused issues.
- Ignoring player feedback during peak hours.
- Running without verified backups.
PortalMine tip
PortalMine’s clean dashboard and status page help you monitor changes safely. Share the Status page during maintenance to keep players informed.
Operational best practices
Always document configuration changes and test them during low-traffic hours. Keep a simple changelog so you can roll back quickly if something breaks.
Common mistakes
- Changing multiple settings at once and not knowing which one caused issues.
- Ignoring player feedback during peak hours.
- Running without verified backups.
PortalMine tip
PortalMine’s clean dashboard and status page help you monitor changes safely. Share the Status page during maintenance to keep players informed.
Operational best practices
Always document configuration changes and test them during low-traffic hours. Keep a simple changelog so you can roll back quickly if something breaks.
Common mistakes
- Changing multiple settings at once and not knowing which one caused issues.
- Ignoring player feedback during peak hours.
- Running without verified backups.
Quick FAQ
Where to look?
Ignore warnings?
Key takeaways
- Focus on the basics of logging first, then add advanced tweaks when stable.
- Measure results (TPS, memory, player feedback) before and after any logging change.
- Document your logging decisions so you can troubleshoot faster later.
- Start simple: change one setting at a time and test.
- Keep backups before major changes (updates, plugins, or modpacks).
Practical checklist
- Confirm your Minecraft edition and server version.
- Keep a copy of configs before changing anything.
- Restart after major changes and test with one player first.
- Watch console/logs for warnings and plugin errors.
FAQ
What is the safest way to try this change?
Back up first and change one thing at a time so you can roll back quickly.
How do I know if it helped?
Measure before/after (TPS, join time, crash frequency, player feedback).
Where can I learn more?
See related guides on the PortalMine Blog and the troubleshooting FAQ.
Ready to try it?
Create your server, pick the right version, and invite friends. If you’re new, start with the How it works page. For limits and upgrade options, see Plans & limits.