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Po Zhou commented on KAFKA-1460: -------------------------------- I occasionally encountered the issue with the following error log: kafka.common.NoReplicaOnlineException: No replica for partition [xxxx.xxxxx.xxxxxx.xxxxxxxxx,1] is alive. Live brokers are: [Set(1)], Assigned replicas are: [List(2, 3)] at kafka.controller.OfflinePartitionLeaderSelector.selectLeader(PartitionLeaderSelector.scala:75) at kafka.controller.PartitionStateMachine.electLeaderForPartition(PartitionStateMachine.scala:357) at kafka.controller.PartitionStateMachine.kafka$controller$PartitionStateMachine$$handleStateChange(PartitionStateMachine.scala:206) at kafka.controller.PartitionStateMachine$$anonfun$triggerOnlinePartitionStateChange$3.apply(PartitionStateMachine.scala:120) at kafka.controller.PartitionStateMachine$$anonfun$triggerOnlinePartitionStateChange$3.apply(PartitionStateMachine.scala:117) at scala.collection.TraversableLike$WithFilter$$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$$anon$1.foreach(HashTable.scala:157) at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:190) at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:45) at scala.collection.mutable.HashMap.foreach(HashMap.scala:95) at scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:742) at kafka.controller.PartitionStateMachine.triggerOnlinePartitionStateChange(PartitionStateMachine.scala:117) at kafka.controller.KafkaController.onBrokerFailure(KafkaController.scala:446) at kafka.controller.ReplicaStateMachine$BrokerChangeListener$$anonfun$handleChildChange$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(ReplicaStateMachine.scala:373) at kafka.controller.ReplicaStateMachine$BrokerChangeListener$$anonfun$handleChildChange$1$$anonfun$apply$mcV$sp$1.apply(ReplicaStateMachine.scala:35 at kafka.controller.ReplicaStateMachine$BrokerChangeListener$$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$1.apply(ReplicaStateMachine.scala:357) at kafka.utils.Utils$.inLock(Utils.scala:535) at kafka.controller.ReplicaStateMachine$BrokerChangeListener.handleChildChange(ReplicaStateMachine.scala:356) at org.I0Itec.zkclient.ZkClient$7.run(ZkClient.java:568) at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:71) My Kafka is deployed on 4 servers, and booting with parameters: "--partitions 4 --replication-factor 2". The issue happens in "OfflinePartitionLeaderSelector". According the following source code, "If no broker in the assigned replica list is alive, it throws NoReplicaOnlineException", and more detailed cause is "liveAssignedReplicasToThisPartition.isEmpty". But how to avoid / resolve the exception remains unknown and the issue remains "Unresolved". https://apache.googlesource.com/kafka/+/855340a2e65ffbb79520c49d0b9a231b94acd538/core/src/main/scala/kafka/controller/PartitionLeaderSelector.scala > NoReplicaOnlineException: No replica for partition > -------------------------------------------------- > > Key: KAFKA-1460 > URL: https://issues.apache.org/jira/browse/KAFKA-1460 > Project: Kafka > Issue Type: Bug > Affects Versions: 0.8.1.1 > Reporter: Artur Denysenko > Priority: Critical > Attachments: state-change.log > > > We have a standalone kafka server. > After several days of running we get: > {noformat} > kafka.common.NoReplicaOnlineException: No replica for partition > [gk.q.module,1] is alive. Live brokers are: [Set()], Assigned replicas are: > [List(0)] > at > kafka.controller.OfflinePartitionLeaderSelector.selectLeader(PartitionLeaderSelector.scala:61) > at > kafka.controller.PartitionStateMachine.electLeaderForPartition(PartitionStateMachine.scala:336) > at > kafka.controller.PartitionStateMachine.kafka$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$sp(KafkaController.scala:162) > at > kafka.server.ZookeeperLeaderElector.elect(ZookeeperLeaderElector.scala:63) > at > kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply$mcZ$sp(KafkaController.scala:1068) > at > kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply(KafkaController.scala:1066) > at > kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply(KafkaController.scala:1066) > at kafka.utils.Utils$.inLock(Utils.scala:538) > at > kafka.controller.KafkaController$SessionExpirationListener.handleNewSession(KafkaController.scala:1066) > at org.I0Itec.zkclient.ZkClient$4.run(ZkClient.java:472) > at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:71) > {noformat} > Please see attached [state-change.log] > You can find all server logs (450mb) here: > http://46.4.114.35:9999/deploy/kafka-logs.2014-05-14-16.tgz > On client we get: > {noformat} > 16:28:36,843 [ool-12-thread-2] WARN ZookeeperConsumerConnector - > [dev_dev-1400257716132-e7b8240c], no brokers found when trying to rebalance. > {noformat} > If we try to send message using 'kafka-console-producer.sh': > {noformat} > [root@dev kafka]# /srv/kafka/bin/kafka-console-producer.sh --broker-list > localhost:9092 --topic test > message > SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". > SLF4J: Defaulting to no-operation (NOP) logger implementation > SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further > details. > [2014-05-16 19:45:30,950] WARN Fetching topic metadata with correlation id 0 > for topics [Set(test)] from broker [id:0,host:localhost,port:9092] failed > (kafka.client.ClientUtils$) > java.net.SocketTimeoutException > at > sun.nio.ch.SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:229) > at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:103) > at > java.nio.channels.Channels$ReadableByteChannelImpl.read(Channels.java:385) > at kafka.utils.Utils$.read(Utils.scala:375) > at > kafka.network.BoundedByteBufferReceive.readFrom(BoundedByteBufferReceive.scala:54) > at kafka.network.Receive$class.readCompletely(Transmission.scala:56) > at > kafka.network.BoundedByteBufferReceive.readCompletely(BoundedByteBufferReceive.scala:29) > at kafka.network.BlockingChannel.receive(BlockingChannel.scala:100) > at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:74) > at > kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:71) > at kafka.producer.SyncProducer.send(SyncProducer.scala:112) > at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:53) > at > kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) > at > kafka.producer.async.DefaultEventHandler$$anonfun$handle$1.apply$mcV$sp(DefaultEventHandler.scala:67) > at kafka.utils.Utils$.swallow(Utils.scala:167) > at kafka.utils.Logging$class.swallowError(Logging.scala:106) > at kafka.utils.Utils$.swallowError(Utils.scala:46) > at > kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:67) > at > kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:104) > at > kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:87) > at > kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:67) > at scala.collection.immutable.Stream.foreach(Stream.scala:526) > at > kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:66) > at > kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:44) > {noformat} > If we try to receive message using 'kafka-console-consumer.sh': > {noformat} > [root@dev kafka]# /srv/kafka/bin/kafka-console-consumer.sh --zookeeper > localhost:2181 --topic test > SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". > SLF4J: Defaulting to no-operation (NOP) logger implementation > SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further > details. > [2014-05-16 19:46:23,029] WARN > [console-consumer-69449_dev-1400262382648-1c9bfcd3], no brokers found when > trying to rebalance. (kafka.consumer.ZookeeperConsumerConnector) > {noformat} > Port 9092 is open: > {noformat} > [root@dev kafka]# telnet localhost 9092 > Trying 127.0.0.1... > Connected to localhost. > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)