ERROR [Producer clientId=console-producer] Connection to node -1 (/myip-address:9096) failed authentication due to: SSL handshake failed

Question

I have a distributed kafka with 3 brokers that have port numbers 9093, 9094, 9095 and I added the SSL with port numbers 9096, 9097, 9098. I am getting the following error when I run the producer client: [2020-06-15 10:08:07,892] ERROR [Producer clientId=console-producer] Connection to node -1 (/myip-address:9096) failed authentication due to: SSL handshake failed (org.apache.kafka.clients.NetworkClient) [2020-06-15 10:08:07,893] WARN [Producer clientId=console-producer] Bootstrap broker myip-address:9096 (id: -1 rack: null) disconnected (org.apache.kafka.clients.NetworkClient)

I have tried to use: ssl.endpoint.identification.algorithm= but that did not solve the problem for me. I am using Kafka 2.5 I can share my config files if need be.

What else could I try to troubleshoot this issue?

Thank you.

Answer 1

I was able to solve this issue by simply using my domain-name:9096,domain-name:9097,domain-name:9098 instead of: my-ip-address:9096,my-ip-address:9097,my-ip-address:9098

So, using the actual domain name is important due to the certificate being created with the domain name.