The group coordinator is not available-Kafka

Question

When I am write a topic to kafka,there is an error:Offset commit failed:

2016-10-29 14:52:56.387 INFO [nioEventLoopGroup-3-1][org.apache.kafka.commo         


        

Answer 1

We faced same issue in production too. The code was working fine for long time suddenly we got this exception.

We analyzed that there is no issue in code. So we asked deployment team to restart the zookeeper. Restarting it solved the issue.