I have deployed datahub from frontend and gms containers and i see after sometime both the containers are going in unhealthy state and gms container is going into exited state as well. when i checked the log of datahub frontend container, i see below exception error as below java.net.UnknownHostException: broker at java.net.InetAddress.getAllByName0(InetAddress.java:1282) at java.net.InetAddress.getAllByName(InetAddress.java:1194) at java.net.InetAddress.getAllByName(InetAddress.java:1128) at org.apache.kafka.clients.ClientUtils.resolve(ClientUtils.java:104) at org.apache.kafka.clients.ClusterConnectionStates$NodeConnectionState.currentAddress(ClusterConnectionStates.java:403) at org.apache.kafka.clients.ClusterConnectionStates$NodeConnectionState.access$200(ClusterConnectionStates.java:363) at org.apache.kafka.clients.ClusterConnectionStates.currentAddress(ClusterConnectionStates.java:151) at org.apache.kafka.clients.NetworkClient.initiateConnect(NetworkClient.java:943) at org.apache.kafka.clients.NetworkClient.access$600(NetworkClient.java:68) at org.apache.kafka.clients.NetworkClient$DefaultMetadataUpdater.maybeUpdate(NetworkClient.java:1114) at org.apache.kafka.clients.NetworkClient$DefaultMetadataUpdater.maybeUpdate(NetworkClient.java:1005) at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:537) at org.apache.kafka.clients.producer.internals.Sender.runOnce(Sender.java:331) at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:238) at java.lang.Thread.run(Thread.java:748) 073519 [kafka-producer-network-thread | datahub-frontend] WARN o.apache.kafka.clients.NetworkClient - [Producer clientId=datahub-frontend] Error connecting to node broker:29092 (id: 1 rack: null)