[2026-10-19 01:59:44,492] INFO [ControllerEventThread controllerId=1] Starting (kafka.controller.ControllerEventManager$ControllerEventThread) [2026-10-19 01:59:44,574] INFO [Controller id=1] 1 successfully elected as the controller. Epoch incremented to 1 and epoch zk version is now 1 (kafka.controller.KafkaController) [2026-10-19 01:59:44,583] INFO [Controller id=1] Creating FeatureZNode at path: /feature with contents: FeatureZNode(2,Enabled,Map()) (kafka.controller.KafkaController) [2026-10-19 01:59:44,661] INFO [Controller id=1] Registering handlers (kafka.controller.KafkaController) [2026-10-19 01:59:44,677] INFO [Controller id=1] Deleting log dir event notifications (kafka.controller.KafkaController) [2026-10-19 01:59:44,713] INFO [Controller id=1] Deleting isr change notifications (kafka.controller.KafkaController) [2026-10-19 01:59:44,730] INFO [Controller id=1] Initializing controller context (kafka.controller.KafkaController) [2026-10-19 01:59:44,807] INFO [Controller id=1] Initialized broker epochs cache: HashMap(1 -> 25) (kafka.controller.KafkaController) [2026-10-19 01:59:44,823] DEBUG [Controller id=1] Register BrokerModifications handler for Set(1) (kafka.controller.KafkaController) [2026-10-19 01:59:44,846] DEBUG [Channel manager on controller 1]: Controller 1 trying to connect to broker 1 (kafka.controller.ControllerChannelManager) [2026-10-19 01:59:44,875] INFO [RequestSendThread controllerId=1] Starting (kafka.controller.RequestSendThread) [2026-10-19 01:59:44,884] INFO [Controller id=1] Currently active brokers in the cluster: Set(1) (kafka.controller.KafkaController) [2026-10-19 01:59:44,885] INFO [Controller id=1] Currently shutting brokers in the cluster: HashSet() (kafka.controller.KafkaController) [2026-10-19 01:59:44,885] INFO [Controller id=1] Current list of topics in the cluster: HashSet() (kafka.controller.KafkaController) [2026-10-19 01:59:44,885] INFO [Controller id=1] Fetching topic deletions in progress (kafka.controller.KafkaController) [2026-10-19 01:59:44,894] INFO [Controller id=1] List of topics to be deleted: (kafka.controller.KafkaController) [2026-10-19 01:59:44,894] INFO [Controller id=1] List of topics ineligible for deletion: (kafka.controller.KafkaController) [2026-10-19 01:59:44,894] INFO [Controller id=1] Initializing topic deletion manager (kafka.controller.KafkaController) [2026-10-19 01:59:44,895] INFO [Topic Deletion Manager 1] Initializing manager with initial deletions: Set(), initial ineligible deletions: HashSet() (kafka.controller.TopicDeletionManager) [2026-10-19 01:59:44,899] INFO [Controller id=1] Sending update metadata request (kafka.controller.KafkaController) [2026-10-19 01:59:44,936] INFO [ReplicaStateMachine controllerId=1] Initializing replica state (kafka.controller.ZkReplicaStateMachine) [2026-10-19 01:59:44,937] INFO [ReplicaStateMachine controllerId=1] Triggering online replica state changes (kafka.controller.ZkReplicaStateMachine) [2026-10-19 01:59:44,950] INFO [ReplicaStateMachine controllerId=1] Triggering offline replica state changes (kafka.controller.ZkReplicaStateMachine) [2026-10-19 01:59:44,951] DEBUG [ReplicaStateMachine controllerId=1] Started replica state machine with initial state -> HashMap() (kafka.controller.ZkReplicaStateMachine) [2026-10-19 01:59:44,951] INFO [PartitionStateMachine controllerId=1] Initializing partition state (kafka.controller.ZkPartitionStateMachine) [2026-10-19 01:59:44,952] INFO [PartitionStateMachine controllerId=1] Triggering online partition state changes (kafka.controller.ZkPartitionStateMachine) [2026-10-19 01:59:44,955] DEBUG [PartitionStateMachine controllerId=1] Started partition state machine with initial state -> HashMap() (kafka.controller.ZkPartitionStateMachine) [2026-10-19 01:59:44,967] INFO [Controller id=1] Ready to serve as the new controller with epoch 1 (kafka.controller.KafkaController) [2026-10-19 01:59:44,963] WARN [RequestSendThread controllerId=1] Controller 1's connection to broker 10.0.0.38:9092 (id: 1 rack: null) was unsuccessful (kafka.controller.RequestSendThread) java.io.IOException: Connection to 10.0.0.38:9092 (id: 1 rack: null) failed. at org.apache.kafka.clients.NetworkClientUtils.awaitReady(NetworkClientUtils.java:71) at kafka.controller.RequestSendThread.brokerReady(ControllerChannelManager.scala:299) at kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:252) at org.apache.kafka.server.util.ShutdownableThread.run(ShutdownableThread.java:136) [2026-10-19 01:59:44,978] INFO [Controller id=1] Partitions undergoing preferred replica election: (kafka.controller.KafkaController) [2026-10-19 01:59:44,979] INFO [Controller id=1] Partitions that completed preferred replica election: (kafka.controller.KafkaController) [2026-10-19 01:59:44,983] INFO [Controller id=1] Skipping preferred replica election for partitions due to topic deletion: (kafka.controller.KafkaController) [2026-10-19 01:59:44,984] INFO [Controller id=1] Resuming preferred replica election for partitions: (kafka.controller.KafkaController) [2026-10-19 01:59:44,988] INFO [Controller id=1] Starting replica leader election (PREFERRED) for partitions triggered by ZkTriggered (kafka.controller.KafkaController) [2026-10-19 01:59:45,013] INFO [Controller id=1] Starting the controller scheduler (kafka.controller.KafkaController) [2026-10-19 01:59:45,090] INFO [RequestSendThread controllerId=1] Controller 1 connected to 10.0.0.38:9092 (id: 1 rack: null) for sending state change requests (kafka.controller.RequestSendThread) [2026-10-19 01:59:50,056] INFO [Controller id=1] Processing automatic preferred replica leader election (kafka.controller.KafkaController) [2026-10-19 01:59:50,056] TRACE [Controller id=1] Checking need to trigger auto leader balancing (kafka.controller.KafkaController)