I have a cluster of 3 kafka servers. Replication factor is 3. Two out of 3 servers were shutdown and traffic was sent to only one server that was up. I brought second host up and it says according to logs that server has started.
I ran ./kafka-list-topic.sh --zookeeper <host> Still was showing leaders are not distributed. Then ran kafka-preferred-replica-election.sh which exited with error: kafka.common.AdminCommandFailedException: Admin command failed at kafka.admin.PreferredReplicaLeaderElectionCommand.moveLeaderToPreferredReplica(PreferredReplicaLeaderElectionCommand.scala:119) at kafka.admin.PreferredReplicaLeaderElectionCommand$.main(PreferredReplicaLeaderElectionCommand.scala:60) at kafka.admin.PreferredReplicaLeaderElectionCommand.main(PreferredReplicaLeaderElectionCommand.scala) Would you please give suggestion what have caused the exception and how to recover from it? Thanks so much in advance, Vadim