Hello! My English is not very good, please forgive me. The questions are as follows: Install Kafka under Ubuntu 14.04.5 LTS_ 2.12-3.1.0. The service can be started normally under the default configuration, but when sending messages using java clients (Kafka clients), you can see that the server automatically creates a topic, but the client cannot send messages successfully.
The same configuration is normal under Ubuntu 20.04.4 LTS. Does the latest version no longer support Ubuntu 14.04.5 lts?