81-1 - ZK Startup Exception
81-1 - ZK Startup Exception
Possible Causes
- There is a compatibility issue between the server version of ZK and the client version, preventing connection.
- The ZK service is not started properly, or it cannot provide services externally due to firewall or other reasons.
Troubleshooting and Resolution Steps
- Confirm that the client version matches the server version.
- Ensure that ZK can start normally and provide services externally.
You can analyze stack information using third-party tools or jstack [PID] > jstack.log
for the diagnosis.