I need to configure a Kafka cluster on different machines but it does not work, when I start producer and consumer the following errors are displayed:
Producer Error Output

Consumer Error Output

Can you help me please.
I need to configure a Kafka cluster on different machines but it does not work, when I start producer and consumer the following errors are displayed:


Can you help me please.
In order to get started, I would recommend to read https://kafka.apache.org/documentation/#quickstart. BTW, in your case; you haven't started Kafka yet.
You should start services in following order: