The Zookeeper nodes stay up but the Kafka nodes shut down on every machine.
Kafka logs will show that they timeout not being able to connect to the Zookeeper servers.
You may observe communication errors in zookeeper logs where communication over ports 2888 and 3888 are not possible.
Ports 2888 and 3888 were not documented as required when the associated case was raised, although it has now been added to documentation on request.Zookeeper uses port 2888 to communicate with the leader instance
Zookeeper instances communicate over port 3888 to decide which instance should be the leader
Release : 17.3
Component : AXA LOG ANALYTICS