So I would like to have two machines: one running zookeeper and a single kafka node and another machine running a producer. I want to use the basic commands mentioned in the Quick Start guide to do this. However, I keep getting connection closed exceptions in the producer.
This is what I do: On the kafka/zookeeper machine: bin/zookeeper-server-start.sh config/zookeeper.properties & bin/kafka-server-start.sh config/server.properties & bin/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic test …so far so good, now on the producer machine: bin/kafka-console-producer.sh --broker-list localhost:9092 --topic test [2015-02-17 20:43:28,466] WARN Property topic is not valid (kafka.utils.VerifiableProperties) echo <press enter to send ‘echo’ above> …now it starts spewing the errors in the Producer Errors Appendix. What I don’t understand is why? I checked the default configurations and it is binding to all interfaces as the bind to localhost is commented out. I checked netstat and 9092 is open on the zookeeper/kafka machine. I have tried this with an Ubuntu VM and a container where the container hosts the zookeeper/kafka server and I have tried this with my native machine (OS X) and an Ubuntu VM where the VM is the zookeeper/kafka server. In both cases the same thing happens. I am just trying to get the simplest possible configuration where the producer is not on the same machine as the kafka queue up and running. How can I make this work? Thanks for any help. Producer Erros Appendix: [2015-02-17 20:43:32,622] 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.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.async.DefaultEventHandler$$anonfun$handle$1.apply$mcV$sp(DefaultEventHandler.scala:67) at kafka.utils.Utils$.swallow(Utils.scala:172) at kafka.utils.Logging$class.swallowError(Logging.scala:106) at kafka.utils.Utils$.swallowError(Utils.scala:45) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:67) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) [2015-02-17 20:43:32,625] ERROR fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed (kafka.utils.Utils$) kafka.common.KafkaException: fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:72) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.async.DefaultEventHandler$$anonfun$handle$1.apply$mcV$sp(DefaultEventHandler.scala:67) at kafka.utils.Utils$.swallow(Utils.scala:172) at kafka.utils.Logging$class.swallowError(Logging.scala:106) at kafka.utils.Utils$.swallowError(Utils.scala:45) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:67) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) Caused by: java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) ... 12 more [2015-02-17 20:43:32,627] WARN Fetching topic metadata with correlation id 1 for topics [Set(test)] from broker [id:0,host:localhost,port:9092] failed (kafka.client.ClientUtils$) java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.BrokerPartitionInfo.getBrokerPartitionInfo(BrokerPartitionInfo.scala:49) at kafka.producer.async.DefaultEventHandler.kafka$producer$async$DefaultEventHandler$$getPartitionListForTopic(DefaultEventHandler.scala:186) at kafka.producer.async.DefaultEventHandler$$anonfun$partitionAndCollate$1.apply(DefaultEventHandler.scala:150) at kafka.producer.async.DefaultEventHandler$$anonfun$partitionAndCollate$1.apply(DefaultEventHandler.scala:149) at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47) at kafka.producer.async.DefaultEventHandler.partitionAndCollate(DefaultEventHandler.scala:149) at kafka.producer.async.DefaultEventHandler.dispatchSerializedData(DefaultEventHandler.scala:95) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:72) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) [2015-02-17 20:43:32,628] ERROR Failed to collate messages by topic, partition due to: fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed (kafka.producer.async.DefaultEventHandler) [2015-02-17 20:43:32,734] WARN Fetching topic metadata with correlation id 2 for topics [Set(test)] from broker [id:0,host:localhost,port:9092] failed (kafka.client.ClientUtils$) java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.async.DefaultEventHandler$$anonfun$handle$2.apply$mcV$sp(DefaultEventHandler.scala:78) at kafka.utils.Utils$.swallow(Utils.scala:172) at kafka.utils.Logging$class.swallowError(Logging.scala:106) at kafka.utils.Utils$.swallowError(Utils.scala:45) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:78) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) [2015-02-17 20:43:32,735] ERROR fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed (kafka.utils.Utils$) kafka.common.KafkaException: fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:72) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.async.DefaultEventHandler$$anonfun$handle$2.apply$mcV$sp(DefaultEventHandler.scala:78) at kafka.utils.Utils$.swallow(Utils.scala:172) at kafka.utils.Logging$class.swallowError(Logging.scala:106) at kafka.utils.Utils$.swallowError(Utils.scala:45) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:78) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) Caused by: java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) ... 12 more [2015-02-17 20:43:32,737] WARN Fetching topic metadata with correlation id 3 for topics [Set(test)] from broker [id:0,host:localhost,port:9092] failed (kafka.client.ClientUtils$) java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.BrokerPartitionInfo.getBrokerPartitionInfo(BrokerPartitionInfo.scala:49) at kafka.producer.async.DefaultEventHandler.kafka$producer$async$DefaultEventHandler$$getPartitionListForTopic(DefaultEventHandler.scala:186) at kafka.producer.async.DefaultEventHandler$$anonfun$partitionAndCollate$1.apply(DefaultEventHandler.scala:150) at kafka.producer.async.DefaultEventHandler$$anonfun$partitionAndCollate$1.apply(DefaultEventHandler.scala:149) at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47) at kafka.producer.async.DefaultEventHandler.partitionAndCollate(DefaultEventHandler.scala:149) at kafka.producer.async.DefaultEventHandler.dispatchSerializedData(DefaultEventHandler.scala:95) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:72) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) [2015-02-17 20:43:32,738] ERROR Failed to collate messages by topic, partition due to: fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed (kafka.producer.async.DefaultEventHandler) [2015-02-17 20:43:32,844] WARN Fetching topic metadata with correlation id 4 for topics [Set(test)] from broker [id:0,host:localhost,port:9092] failed (kafka.client.ClientUtils$) java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.async.DefaultEventHandler$$anonfun$handle$2.apply$mcV$sp(DefaultEventHandler.scala:78) at kafka.utils.Utils$.swallow(Utils.scala:172) at kafka.utils.Logging$class.swallowError(Logging.scala:106) at kafka.utils.Utils$.swallowError(Utils.scala:45) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:78) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) [2015-02-17 20:43:32,844] ERROR fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed (kafka.utils.Utils$) kafka.common.KafkaException: fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:72) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.async.DefaultEventHandler$$anonfun$handle$2.apply$mcV$sp(DefaultEventHandler.scala:78) at kafka.utils.Utils$.swallow(Utils.scala:172) at kafka.utils.Logging$class.swallowError(Logging.scala:106) at kafka.utils.Utils$.swallowError(Utils.scala:45) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:78) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) Caused by: java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) ... 12 more [2015-02-17 20:43:32,846] WARN Fetching topic metadata with correlation id 5 for topics [Set(test)] from broker [id:0,host:localhost,port:9092] failed (kafka.client.ClientUtils$) java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.BrokerPartitionInfo.getBrokerPartitionInfo(BrokerPartitionInfo.scala:49) at kafka.producer.async.DefaultEventHandler.kafka$producer$async$DefaultEventHandler$$getPartitionListForTopic(DefaultEventHandler.scala:186) at kafka.producer.async.DefaultEventHandler$$anonfun$partitionAndCollate$1.apply(DefaultEventHandler.scala:150) at kafka.producer.async.DefaultEventHandler$$anonfun$partitionAndCollate$1.apply(DefaultEventHandler.scala:149) at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47) at kafka.producer.async.DefaultEventHandler.partitionAndCollate(DefaultEventHandler.scala:149) at kafka.producer.async.DefaultEventHandler.dispatchSerializedData(DefaultEventHandler.scala:95) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:72) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) [2015-02-17 20:43:32,847] ERROR Failed to collate messages by topic, partition due to: fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed (kafka.producer.async.DefaultEventHandler) [2015-02-17 20:43:32,953] WARN Fetching topic metadata with correlation id 6 for topics [Set(test)] from broker [id:0,host:localhost,port:9092] failed (kafka.client.ClientUtils$) java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.async.DefaultEventHandler$$anonfun$handle$2.apply$mcV$sp(DefaultEventHandler.scala:78) at kafka.utils.Utils$.swallow(Utils.scala:172) at kafka.utils.Logging$class.swallowError(Logging.scala:106) at kafka.utils.Utils$.swallowError(Utils.scala:45) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:78) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) [2015-02-17 20:43:32,954] ERROR fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed (kafka.utils.Utils$) kafka.common.KafkaException: fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:72) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.async.DefaultEventHandler$$anonfun$handle$2.apply$mcV$sp(DefaultEventHandler.scala:78) at kafka.utils.Utils$.swallow(Utils.scala:172) at kafka.utils.Logging$class.swallowError(Logging.scala:106) at kafka.utils.Utils$.swallowError(Utils.scala:45) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:78) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) Caused by: java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) ... 12 more [2015-02-17 20:43:32,955] WARN Fetching topic metadata with correlation id 7 for topics [Set(test)] from broker [id:0,host:localhost,port:9092] failed (kafka.client.ClientUtils$) java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.BrokerPartitionInfo.getBrokerPartitionInfo(BrokerPartitionInfo.scala:49) at kafka.producer.async.DefaultEventHandler.kafka$producer$async$DefaultEventHandler$$getPartitionListForTopic(DefaultEventHandler.scala:186) at kafka.producer.async.DefaultEventHandler$$anonfun$partitionAndCollate$1.apply(DefaultEventHandler.scala:150) at kafka.producer.async.DefaultEventHandler$$anonfun$partitionAndCollate$1.apply(DefaultEventHandler.scala:149) at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47) at kafka.producer.async.DefaultEventHandler.partitionAndCollate(DefaultEventHandler.scala:149) at kafka.producer.async.DefaultEventHandler.dispatchSerializedData(DefaultEventHandler.scala:95) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:72) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) [2015-02-17 20:43:32,957] ERROR Failed to collate messages by topic, partition due to: fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed (kafka.producer.async.DefaultEventHandler) [2015-02-17 20:43:33,063] WARN Fetching topic metadata with correlation id 8 for topics [Set(test)] from broker [id:0,host:localhost,port:9092] failed (kafka.client.ClientUtils$) java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.async.DefaultEventHandler$$anonfun$handle$2.apply$mcV$sp(DefaultEventHandler.scala:78) at kafka.utils.Utils$.swallow(Utils.scala:172) at kafka.utils.Logging$class.swallowError(Logging.scala:106) at kafka.utils.Utils$.swallowError(Utils.scala:45) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:78) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) [2015-02-17 20:43:33,064] ERROR fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed (kafka.utils.Utils$) kafka.common.KafkaException: fetching topic metadata for topics [Set(test)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:72) at kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) at kafka.producer.async.DefaultEventHandler$$anonfun$handle$2.apply$mcV$sp(DefaultEventHandler.scala:78) at kafka.utils.Utils$.swallow(Utils.scala:172) at kafka.utils.Logging$class.swallowError(Logging.scala:106) at kafka.utils.Utils$.swallowError(Utils.scala:45) at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:78) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45) Caused by: java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:100) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72) at kafka.producer.SyncProducer.send(SyncProducer.scala:113) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58) ... 12 more [2015-02-17 20:43:33,066] ERROR Failed to send requests for topics test with correlation ids in [0,8] (kafka.producer.async.DefaultEventHandler) [2015-02-17 20:43:33,067] ERROR Error in handling batch of 1 events (kafka.producer.async.ProducerSendThread) kafka.common.FailedToSendMessageException: Failed to send messages after 3 tries. at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:90) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:105) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:88) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:68) at scala.collection.immutable.Stream.foreach(Stream.scala:547) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:67) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:45)