kafka broker not available at starting

Question

I set on a ubuntu node of a cluster a kafka 0.11.0.0 instance. Until some weeks ago everything worked fine, today I\'m trying to starting it and I obtain this error after th

Answer 1

I'm sure this is solved by now but I was getting this on a Kafka client running on an AWS ECS task trying to connect to a Kafka cluster running on EC2 instances and the problem was the security groups. Adding the CIDRS of all ECS task's allowed subnets (ECS -> cluster -> task -> details -> allowed subents) in the list of inbound rules for the cluster (ec2 -> instances -> security -> (select your security group) -> edit inbound rules -> (custom TCP/9092/CIDR) -> Add Rule) solved the issue.