Hi We are chrooting each Kafka cluster to a unique namespace in the Kafka brokers of each our clusters. We can produce the message fine and we can write to broker. But our consumers are not able to consume anything from their respective brokers. We are seeing the following error messages after enabling DEBUG logs on consumer. Any help is greatly appreciated.
ERROR type *Group coordinator lookup for group ConsumerGroup05 failed: The group coordinator is not available.* DEBUG logs 17/08/11 19:26:24 DEBUG clients.Metadata:241 Updated cluster metadata version 246 to Cluster(id = Ko9chqW7Qcath3WY94MDWw, nodes = [1.1.1.64:9092 (id: 1 rack: null)], partitions = [Partition(topic = topic05, partition = 5, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 4, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 3, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 2, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 1, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 0, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 13, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 12, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 11, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 10, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 9, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 8, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 7, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 6, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 15, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 14, leader = 1, replicas = [1,], isr = [1,])]) 17/08/11 19:26:24 DEBUG internals.AbstractCoordinator:531 Sending coordinator request for group ConsumerGroup05 to broker 1.1.1.64:9092 (id: 1 rack: null) 17/08/11 19:26:24 DEBUG internals.AbstractCoordinator:541 Received group coordinator response ClientResponse(receivedTimeMs=1502479584675, disconnected=false, request=ClientRequest(expectResponse=true, callback=org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient$RequestFutureCompletionHandler@63eea2a4, request=RequestSend(header={api_key=10,api_version=0,correlation_id=489,client_id=consumer-1}, body={group_id=ConsumerGroup05}), createdTimeMs=1502479584657, sendTimeMs=1502479584657), responseBody={error_code=15,coordinator={node_id=-1,host=,port=-1}}) 17/08/11 19:26:24 DEBUG internals.AbstractCoordinator:563 Group coordinator lookup for group ConsumerGroup05 failed: The group coordinator is not available. 17/08/11 19:26:24 DEBUG clients.NetworkClient:640 Sending metadata request {topics=[topic05]} to node 1 17/08/11 19:26:24 DEBUG clients.Metadata:241 Updated cluster metadata version 247 to Cluster(id = Ko9chqW7Qcath3WY94MDWw, nodes = [1.1.1.64:9092 (id: 1 rack: null)], partitions = [Partition(topic = topic05, partition = 5, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 4, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 3, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 2, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 1, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 0, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 13, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 12, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 11, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 10, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 9, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 8, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 7, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 6, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 15, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 14, leader = 1, replicas = [1,], isr = [1,])]) 17/08/11 19:26:24 DEBUG internals.AbstractCoordinator:531 Sending coordinator request for group ConsumerGroup05 to broker 1.1.1.64:9092 (id: 1 rack: null) 17/08/11 19:26:24 DEBUG internals.AbstractCoordinator:541 Received group coordinator response ClientResponse(receivedTimeMs=1502479584765, disconnected=false, request=ClientRequest(expectResponse=true, callback=org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient$RequestFutureCompletionHandler@477a35c0, request=RequestSend(header={api_key=10,api_version=0,correlation_id=491,client_id=consumer-1}, body={group_id=ConsumerGroup05}), createdTimeMs=1502479584759, sendTimeMs=1502479584759), responseBody={error_code=15,coordinator={node_id=-1,host=,port=-1}}) 17/08/11 19:26:24 DEBUG internals.AbstractCoordinator:563 Group coordinator lookup for group ConsumerGroup05 failed: The group coordinator is not available. 17/08/11 19:26:24 DEBUG clients.NetworkClient:640 Sending metadata request {topics=[topic05]} to node 1 17/08/11 19:26:24 DEBUG clients.Metadata:241 Updated cluster metadata version 248 to Cluster(id = Ko9chqW7Qcath3WY94MDWw, nodes = [1.1.1.64:9092 (id: 1 rack: null)], partitions = [Partition(topic = topic05, partition = 5, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 4, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 3, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 2, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 1, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 0, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 13, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 12, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 11, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 10, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 9, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 8, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 7, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 6, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 15, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 14, leader = 1, replicas = [1,], isr = [1,])]) 17/08/11 19:26:24 DEBUG internals.AbstractCoordinator:531 Sending coordinator request for group ConsumerGroup05 to broker 1.1.1.64:9092 (id: 1 rack: null) 17/08/11 19:26:24 DEBUG internals.AbstractCoordinator:541 Received group coordinator response ClientResponse(receivedTimeMs=1502479584887, disconnected=false, request=ClientRequest(expectResponse=true, callback=org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient$RequestFutureCompletionHandler@34e591df, request=RequestSend(header={api_key=10,api_version=0,correlation_id=493,client_id=consumer-1}, body={group_id=ConsumerGroup05}), createdTimeMs=1502479584860, sendTimeMs=1502479584860), responseBody={error_code=15,coordinator={node_id=-1,host=,port=-1}}) 17/08/11 19:26:24 DEBUG internals.AbstractCoordinator:563 Group coordinator lookup for group ConsumerGroup05 failed: The group coordinator is not available. 17/08/11 19:26:24 DEBUG clients.NetworkClient:640 Sending metadata request {topics=[topic05]} to node 1 17/08/11 19:26:24 DEBUG clients.Metadata:241 Updated cluster metadata version 249 to Cluster(id = Ko9chqW7Qcath3WY94MDWw, nodes = [1.1.1.64:9092 (id: 1 rack: null)], partitions = [Partition(topic = topic05, partition = 5, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 4, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 3, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 2, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 1, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 0, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 13, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 12, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 11, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 10, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 9, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 8, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 7, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 6, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 15, leader = 1, replicas = [1,], isr = [1,]), Partition(topic = topic05, partition = 14, leader = 1, replicas = [1,], isr = [1,])]) 17/08/11 19:26:24 DEBUG internals.AbstractCoordinator:531 Sending coordinator request for group ConsumerGroup05 to broker 1.1.1.64:9092 (id: 1 rack: null) 17/08/11 19:26:24 DEBUG internals.AbstractCoordinator:541 Received group coordinator response ClientResponse(receivedTimeMs=1502479584968, disconnected=false, request=ClientRequest(expectResponse=true, callback=org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient$RequestFutureCompletionHandler@662022ab, request=RequestSend(header={api_key=10,api_version=0,correlation_id=495,client_id=consumer-1}, body={group_id=ConsumerGroup05}), createdTimeMs=1502479584961, sendTimeMs=1502479584961), responseBody={error_code=15,coordinator={node_id=-1,host=,port=-1}}) 17/08/11 19:26:24 DEBUG internals.AbstractCoordinator:563 Group coordinator lookup for group ConsumerGroup05 failed: The group coordinator is not available. Thanks. -- Raghav