The error message you're seeing suggests that there was a problem with the SSL/TLS handshake between the Kafka client and the server. This could be caused by a number of issues, including:

1. Incorrect SSL/TLS configuration: Make sure that the SSL/TLS configuration of the Kafka client matches that of the Kafka server. Ensure that the SSL/TLS certificates and keys are valid and properly configured.

2. Firewall or network issues: Check to see if there are any firewalls or network restrictions that could be blocking the SSL/TLS connection. Verify that the ports used by Kafka are open and accessible.

3. Incompatible SSL/TLS versions: Ensure that the SSL/TLS versions used by the Kafka client and server are compatible with each other. Sometimes, using an outdated version of SSL/TLS can cause handshake failures.

4. Time synchronization: Verify that the system clocks of the Kafka client and server are synchronized. If the clocks are out of sync, it can cause issues with SSL/TLS certificates.

To troubleshoot this issue further, you may want to enable debug logging for the Kafka client and server, which can provide more detailed information about the SSL/TLS handshake failure. Additionally, you can try connecting to the Kafka server using a different client to see if the issue is specific to your current client configuration.

References

1. https://kafka.apache.org/protocol.html

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