I’m a kafka beginner and I am doing a course on it. Was following along and had to create a producer demo file but I keep getting this error:
[kafka-producer-network-thread | producer-1] WARN org.apache.kafka.clients.NetworkClient – [Producer clientId=producer-1] Connection to node -1 (localhost/127.0.0.1:9092) could not be established. Node may not be available.
[kafka-producer-network-thread | producer-1] WARN org.apache.kafka.clients.NetworkClient – [Producer clientId=producer-1] Bootstrap broker localhost:9092 (id: -1 rack: null) disconnected
[kafka-producer-network-thread | producer-1] INFO org.apache.kafka.clients.NetworkClient – [Producer clientId=producer-1] Node -1 disconnected.
Here is my code: