Hi, I am running 0.8.1.1 with one Zookeeper and one broker. I created a partition 'test2' as below:
/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 3 --topic test2 I noticed this exception in the state-change.log. Why is this occuring ? Should I be running more brokers if I have more than one partition ? *Exception:* kafka.common.NoReplicaOnlineException: No replica for partition [test2,2] is alive. Live brokers are: [Set()], Assigned replicas are: [List(0)] at kafka.controller.OfflinePartitionLeaderSelector.selectLeader(PartitionLeaderSelector.scala:61) at kafka.controller.PartitionStateMachine.electLeaderForPartition(PartitionStateMachine.scala:336) at kafka.controller.PartitionStateMachine.kafka$controller$PartitionStateMachine$$handleStateChange(PartitionStateMachine.scala:185) at kafka.controller.PartitionStateMachine$$anonfun$triggerOnlinePartitionStateChange$3.apply(PartitionStateMachine.scala:99) at kafka.controller.PartitionStateMachine$$anonfun$triggerOnlinePartitionStateChange$3.apply(PartitionStateMachine.scala:96) at scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:743) at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:95) at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:95) at scala.collection.Iterator$class.foreach(Iterator.scala:772) at scala.collection.mutable.HashTable$$anon$1.foreach(HashTable.scala:157) at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:190) at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:45) at scala.collection.mutable.HashMap.foreach(HashMap.scala:95) at scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:742) at kafka.controller.PartitionStateMachine.triggerOnlinePartitionStateChange(PartitionStateMachine.scala:96) at kafka.controller.PartitionStateMachine.startup(PartitionStateMachine.scala:68) at kafka.controller.KafkaController.onControllerFailover(KafkaController.scala:312) at kafka.controller.KafkaController$$anonfun$1.apply$mcV$sp(KafkaController.scala:162) at kafka.server.ZookeeperLeaderElector.elect(ZookeeperLeaderElector.scala:63) at kafka.server.ZookeeperLeaderElector$$anonfun$startup$1.apply$mcZ$sp(ZookeeperLeaderElector.scala:49) at kafka.server.ZookeeperLeaderElector$$anonfun$startup$1.apply(ZookeeperLeaderElector.scala:47) at kafka.server.ZookeeperLeaderElector$$anonfun$startup$1.apply(ZookeeperLeaderElector.scala:47) at kafka.utils.Utils$.inLock(Utils.scala:538) at kafka.server.ZookeeperLeaderElector.startup(ZookeeperLeaderElector.scala:47) at kafka.controller.KafkaController$$anonfun$startup$1.apply$mcV$sp(KafkaController.scala:637) at kafka.controller.KafkaController$$anonfun$startup$1.apply(KafkaController.scala:633) at kafka.controller.KafkaController$$anonfun$startup$1.apply(KafkaController.scala:633) at kafka.utils.Utils$.inLock(Utils.scala:538) at kafka.controller.KafkaController.startup(KafkaController.scala:633) at kafka.server.KafkaServer.startup(KafkaServer.scala:96) at kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:34) at kafka.Kafka$.main(Kafka.scala:46) at kafka.Kafka.main(Kafka.scala) Thanks, Prakash