Is the broker configured with the correct ZK url and the right namespace? Thanks,
Jun On Fri, Jan 23, 2015 at 12:17 AM, Tim Smith <secs...@gmail.com> wrote: > Using kafka 0.8.1.1, the cluster had been healthy with producers and > consumers being able to function well. After a restart of the cluster, it > looks like consumers are locked out. > > When I try to consume from a topic, I get this warning: > [2015-01-23 07:48:50,667] WARN > [console-consumer-32626_kafka-node-1.abc.net-1421999330230-a3d2b9e1], no > brokers found when trying to rebalance. > (kafka.consumer.ZookeeperConsumerConnector) > > I don't see any errors in server.log on the kafka nodes and there aren't > any firewalls between the hosts (brokers, consumers and producers). > > I can query the topic state: > $ /opt/cloudera/parcels/CLABS_KAFKA/bin/kafka-topics --zookeeper > zookeeper-node-1:2181/kafka --describe --topic rawunstruct > Topic:rawunstruct PartitionCount:5 ReplicationFactor:3 Configs: > Topic: rawunstruct Partition: 0 Leader: 328 Replicas: 328,327,329 Isr: > 328,327 > Topic: rawunstruct Partition: 1 Leader: 328 Replicas: 329,328,327 Isr: > 328,327 > Topic: rawunstruct Partition: 2 Leader: 328 Replicas: 327,329,328 Isr: > 328,327 > Topic: rawunstruct Partition: 3 Leader: 328 Replicas: 328,329,327 Isr: > 328,327 > Topic: rawunstruct Partition: 4 Leader: 328 Replicas: 329,327,328 Isr: > 328,327 > > However, when I list /kafka/brokers/ids on any of the ZK servers, I don't > see any brokers ids. > > I did upgrade from CDH 5.2 to 5.3 but other components in the stack seem to > be able to talk to Zookeeper just fine. > > Any pointers for troubleshooting? > > Thanks >