Kafka - Unable to send a message to a remote server using Java

Worked with

from server.properties Uncomment

listeners=PLAINTEXT://:9092

And

advertised.listeners=PLAINTEXT://<HOST IP>:9092

Replace <HOST IP> with actual IP.

In your kafka server.properties there is a commented configuration

#advertised.host.name=<Some IP>

Uncomment this and add the IP of the Linux Machine in which kafka is running.

advertised.host.name=<Kafka Running Machine IP>

And connect from clients to <Kafka Running Machine IP> This should fix your issue.

EDIT

Optionally you can uncomment the

#advertised.port=9092

Also if you are listening on a different port than the default one.

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