Dan created KAFKA-4834: -------------------------- Summary: Kafka cannot delete topic with ReplicaStateMachine went wrong Key: KAFKA-4834 URL: https://issues.apache.org/jira/browse/KAFKA-4834 Project: Kafka Issue Type: Bug Affects Versions: 0.10.1.1 Reporter: Dan
It happened several times that some topics can not be deleted in our production environment. By analyzing the log, we found ReplicaStateMachine went wrong. Here are the error messages: In state-change.log: ERROR Controller 2 epoch 201 initiated state change of replica 1 for partition [test_create_topic1,1] from OnlineReplica to ReplicaDeletionStarted failed (state.change.logger) java.lang.AssertionError: assertion failed: Replica [Topic=test_create_topic1,Partition=1,Replica=1] should be in the OfflineReplica states before moving to ReplicaDeletionStarted state. Instead it is in OnlineReplica state at scala.Predef$.assert(Predef.scala:179) at kafka.controller.ReplicaStateMachine.assertValidPreviousStates(ReplicaStateMachine.scala:309) at kafka.controller.ReplicaStateMachine.handleStateChange(ReplicaStateMachine.scala:190) at kafka.controller.ReplicaStateMachine$$anonfun$handleStateChanges$2.apply(ReplicaStateMachine.scala:114) at kafka.controller.ReplicaStateMachine$$anonfun$handleStateChanges$2.apply(ReplicaStateMachine.scala:114) at scala.collection.immutable.HashSet$HashSet1.foreach(HashSet.scala:153) at scala.collection.immutable.HashSet$HashTrieSet.foreach(HashSet.scala:306) at kafka.controller.ReplicaStateMachine.handleStateChanges(ReplicaStateMachine.scala:114) at kafka.controller.TopicDeletionManager$$anonfun$startReplicaDeletion$2.apply(TopicDeletionManager.scala:344) at kafka.controller.TopicDeletionManager$$anonfun$startReplicaDeletion$2.apply(TopicDeletionManager.scala:334) at scala.collection.immutable.Map$Map1.foreach(Map.scala:109) at kafka.controller.TopicDeletionManager.startReplicaDeletion(TopicDeletionManager.scala:334) at kafka.controller.TopicDeletionManager.kafka$controller$TopicDeletionManager$$onPartitionDeletion(TopicDeletionManager.scala:367) at kafka.controller.TopicDeletionManager$$anonfun$kafka$controller$TopicDeletionManager$$onTopicDeletion$2.apply(TopicDeletionManager.scala:313) at kafka.controller.TopicDeletionManager$$anonfun$kafka$controller$TopicDeletionManager$$onTopicDeletion$2.apply(TopicDeletionManager.scala:312) at scala.collection.immutable.Set$Set1.foreach(Set.scala:74) at kafka.controller.TopicDeletionManager.kafka$controller$TopicDeletionManager$$onTopicDeletion(TopicDeletionManager.scala:312) at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1$$anonfun$apply$mcV$sp$4.apply(TopicDeletionManager.scala:431) at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1$$anonfun$apply$mcV$sp$4.apply(TopicDeletionManager.scala:403) at scala.collection.immutable.HashSet$HashSet1.foreach(HashSet.scala:153) at scala.collection.immutable.HashSet$HashTrieSet.foreach(HashSet.scala:306) at scala.collection.immutable.HashSet$HashTrieSet.foreach(HashSet.scala:306) at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1.apply$mcV$sp(TopicDeletionManager.scala:403) at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1.apply(TopicDeletionManager.scala:397) at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1.apply(TopicDeletionManager.scala:397) at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:234) at kafka.controller.TopicDeletionManager$DeleteTopicsThread.doWork(TopicDeletionManager.scala:397) at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63) In controller.log: INFO Leader not yet assigned for partition [test_create_topic1,1]. Skip sending UpdateMetadataRequest. (kafka.controller.ControllerBrokerRequestBatch) There may exist two controllers in the cluster because creating a new topic may trigger two machines to change the state of same partition, eg. NonExistentPartition -> NewPartition. On the other controller, we found following messages in controller.log of several days earlier: [2017-02-25 16:51:22,353] INFO [Topic Deletion Manager 0], Topic deletion callback for simple_topic_090 (kafka.controller.TopicDeletionManager) [2017-02-25 16:51:22,354] ERROR [delete-topics-thread-0], Error due to (kafka.controller.TopicDeletionManager$DeleteTopicsThread) java.util.NoSuchElementException: key not found: [test_create_topic_55,2] at scala.collection.MapLike$class.default(MapLike.scala:228) at scala.collection.AbstractMap.default(Map.scala:58) at scala.collection.mutable.HashMap.apply(HashMap.scala:64) at kafka.controller.ControllerBrokerRequestBatch.kafka$controller$ControllerBrokerRequestBatch$$updateMetadataRequestMapFor$1(ControllerChannelManager.scala:310) at kafka.controller.ControllerBrokerRequestBatch$$anonfun$addUpdateMetadataRequestForBrokers$4.apply(ControllerChannelManager.scala:343) at kafka.controller.ControllerBrokerRequestBatch$$anonfun$addUpdateMetadataRequestForBrokers$4.apply(ControllerChannelManager.scala:343) at scala.collection.mutable.HashSet.foreach(HashSet.scala:79) at kafka.controller.ControllerBrokerRequestBatch.addUpdateMetadataRequestForBrokers(ControllerChannelManager.scala:343) at kafka.controller.KafkaController.sendUpdateMetadataRequest(KafkaController.scala:1023) at kafka.controller.TopicDeletionManager.kafka$controller$TopicDeletionManager$$onTopicDeletion(TopicDeletionManager.scala:310) at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1$$anonfun$apply$mcV$sp$4.apply(TopicDeletionManager.scala:431) at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1$$anonfun$apply$mcV$sp$4.apply(TopicDeletionManager.scala:403) at scala.collection.immutable.HashSet$HashSet1.foreach(HashSet.scala:153) at scala.collection.immutable.HashSet$HashTrieSet.foreach(HashSet.scala:306) at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1.apply$mcV$sp(TopicDeletionManager.scala:403) at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1.apply(TopicDeletionManager.scala:397) at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1.apply(TopicDeletionManager.scala:397) at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:234) at kafka.controller.TopicDeletionManager$DeleteTopicsThread.doWork(TopicDeletionManager.scala:397) at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63) [2017-02-25 16:51:22,354] INFO [delete-topics-thread-0], Stopped (kafka.controller.TopicDeletionManager$DeleteTopicsThread) [2017-02-25 16:53:58,973] DEBUG [IsrChangeNotificationListener] Fired!!! (kafka.controller.IsrChangeNotificationListener) [2017-02-25 16:53:59,014] DEBUG Sending MetadataRequest to Brokers:ArrayBuffer(0, 1, 3, 4) for TopicAndPartitions:Set(…) (kafka.controller.IsrChangeNotificationListener) [2017-02-25 16:53:59,015] ERROR [Controller 0]: Forcing the controller to resign (kafka.controller.KafkaController) -- This message was sent by Atlassian JIRA (v6.3.15#6346)