Hi All, I am embedding Kafka 0.10.0 and corresponding zookeeper in java process. In this process, I start zookeeper first and then wait for 10 seconds and then start kafka. These are all running in the same process. Toward the end of kafka startup, I see following exception. It seems zookeeper is not able to add the newly created kafka instance. Have you seen this error earlier? I have only single node kafka.
Let me know if you have any suggestions. I will really appreciate any help on this. Thanks Subhash Agrawal. [2016-06-15 13:39:39,616] INFO [Logserver_Starter] Registered broker 0 at path /brokers/ids/0 with addresses: PLAINTEXT -> EndPoint(localhost,8392,PLAINTEXT) (kafka.utils.ZkUtils) [2016-06-15 13:39:39,617] WARN [Logserver_Starter] No meta.properties file under dir C:\development \newkafka-logs\meta.properties (kafka.server.BrokerMetadataCheckpoint) [2016-06-15 13:39:39,627] INFO [ZkClient-EventThread-24-localhost:2181] New leader is 0 (kafka.server.ZookeeperLeaderElector$LeaderChangeListener) [2016-06-15 13:39:39,629] INFO [ZkClient-EventThread-24-localhost:2181] [BrokerChangeListener on Controller 0]: Broker change listener fired for path /brokers/ids with children 0 (kafka.controller.ReplicaStateMachine$BrokerChangeListener) [2016-06-15 13:39:39,638] INFO [Logserver_Starter] Kafka version : 0.10.0.0 (org.apache.kafka.common.utils.AppInfoParser) [2016-06-15 13:39:39,638] INFO [Logserver_Starter] Kafka commitId : b8642491e78c5a13 (org.apache.kafka.common.utils.AppInfoParser) [2016-06-15 13:39:39,639] INFO [Logserver_Starter] [Kafka Server 0], started (kafka.server.KafkaServer) [2016-06-15 13:39:39,806] INFO [ZkClient-EventThread-24-localhost:2181] [BrokerChangeListener on Controller 0]: Newly added brokers: 0, deleted brokers: , all live brokers: 0 (kafka.controller.ReplicaStateMachine$BrokerChangeListener) [2016-06-15 13:39:39,808] DEBUG [ZkClient-EventThread-24-localhost:2181] [Channel manager on controller 0]: Controller 0 trying to connect to broker 0 (kafka.controller.ControllerChannelManager) [2016-06-15 13:39:39,818] ERROR [ZkClient-EventThread-24-localhost:2181] [BrokerChangeListener on Controller 0]: Error while handling broker changes (kafka.controller.ReplicaStateMachine$BrokerChangeListener) scala.MatchError: null at kafka.controller.ControllerChannelManager.kafka$controller$ControllerChannelManager$$addNewBroker(ControllerChannelManager.scala:122) at kafka.controller.ControllerChannelManager.addBroker(ControllerChannelManager.scala:74) at kafka.controller.ReplicaStateMachine$BrokerChangeListener$$anonfun$handleChildChange$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$4.apply(ReplicaStateMachine.scala:372) at kafka.controller.ReplicaStateMachine$BrokerChangeListener$$anonfun$handleChildChange$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$mcV$sp$4.apply(ReplicaStateMachine.scala:372) at scala.collection.immutable.Set$Set1.foreach(Set.scala:94) at kafka.controller.ReplicaStateMachine$BrokerChangeListener$$anonfun$handleChildChange$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(ReplicaStateMachine.scala:372) at kafka.controller.ReplicaStateMachine$BrokerChangeListener$$anonfun$handleChildChange$1$$anonfun$apply$mcV$sp$1.apply(ReplicaStateMachine.scala:359) at kafka.controller.ReplicaStateMachine$BrokerChangeListener$$anonfun$handleChildChange$1$$anonfun$apply$mcV$sp$1.apply(ReplicaStateMachine.scala:359) at kafka.metrics.KafkaTimer.time(KafkaTimer.scala:33) at kafka.controller.ReplicaStateMachine$BrokerChangeListener$$anonfun$handleChildChange$1.apply$mcV$sp(ReplicaStateMachine.scala:358) at kafka.controller.ReplicaStateMachine$BrokerChangeListener$$anonfun$handleChildChange$1.apply(ReplicaStateMachine.scala:357) at kafka.controller.ReplicaStateMachine$BrokerChangeListener$$anonfun$handleChildChange$1.apply(ReplicaStateMachine.scala:357) at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:231) at kafka.controller.ReplicaStateMachine$BrokerChangeListener.handleChildChange(ReplicaStateMachine.scala:356) at org.I0Itec.zkclient.ZkClient$10.run(ZkClient.java:843) at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:71)