That's just a warning and the producer will retry. Was there an error (which means all retries failed)?
Thanks, Jun On Thu, May 29, 2014 at 6:06 PM, Chengwei Yang <chengwei.yang...@gmail.com> wrote: > Hi Jun, > > Thanks for your reply. > > On Thu, May 29, 2014 at 07:52:11AM -0700, Jun Rao wrote: > > You need to pass in multiple brokers in --broker-list in the producer. To > > obtain the new leaders, the producer needs to talk to a live broker to > get > > the new metadata. > > Then I did tried with with 3 broker, and put them all into > --broker-list like below, but still fail with broken pipe. > > $ ./bin/kafka-console-producer.sh --broker-list > kafka-broker1:9092,kafka-broker2:9092,kafka-broker3:9092 --topic test-1 > 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. > ok > will kill leader broker.id=2 > > fail? > [2014-05-29 18:05:31,973] WARN Failed to send producer request with > correlation id 8 to broker 2 with data for partitions [test-1,0] > (kafka.producer.async.DefaultEventHandler) > java.io.IOException: Broken pipe > at sun.nio.ch.FileDispatcherImpl.writev0(Native Method) > at sun.nio.ch.SocketDispatcher.writev(SocketDispatcher.java:51) > at sun.nio.ch.IOUtil.write(IOUtil.java:148) > > Another question is why the consumer failed? > > -- > Thanks, > Chengwei > > > > > Thanks, > > > > Jun > > > > > > On Thu, May 29, 2014 at 2:38 AM, Chengwei Yang > > <chengwei.yang...@gmail.com>wrote: > > > > > Hi List, > > > > > > I'm new to kafka, feel sorry if this has been asked, I didn't figure > out > > > my answer by googling, so asked here. Thanks in advance! > > > > > > I'm following the kafka quick start > > > http://kafka.apache.org/documentation.html#quickstart > > > > > > and managed setup a kafka cluster with two brokers, which connected to > a > > > zookeeper service, consists of 3 zk hosts. > > > > > > The working state looks like below > > > ----------------------8<--------------- topic describe > ----8<------------- > > > Topic:test PartitionCount:3 ReplicationFactor:2 > Configs: > > > Topic: test Partition: 0 Leader: 0 Replicas: 0,1 > > > Isr: 0,1 > > > Topic: test Partition: 1 Leader: 1 Replicas: 1,0 > > > Isr: 1,0 > > > Topic: test Partition: 2 Leader: 0 Replicas: 0,1 > > > Isr: 0,1 > > > --------------------8<---------------- end ------------8<-------------- > > > > > > -------------------8<------------- console-producer.sh -------8<------- > > > $ ./bin/kafka-console-producer.sh --broker-list localhost:9092 --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. > > > this is a test message > > > another test message > > > haha > > > --------------------8<---------------- end ------------8<-------------- > > > > > > -------------------8<------------- console-consumer.sh -------8<------- > > > $ ./bin/kafka-console-consumer.sh --zookeeper <my zk service here> > --topic > > > test --from-beginning > > > 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. > > > this is a test message > > > another test message > > > haha > > > -----------------8<---------------- end ----------------8<----------- > > > > > > So far, everything works, however, when I following the quick start to > > > kill the leader broker for topic *test*, say that one has broker.id 0, > > > then error happended, like below > > > > > > -------------------8<------------- console-consumer.sh -------8<------- > > > [2014-05-29 17:05:26,446] WARN Reconnect due to socket error: Received > -1 > > > when reading from channel, socket has likely been closed. > > > (kafka.consumer.SimpleConsumer) > > > [2014-05-29 17:05:26,460] ERROR > > > > [ConsumerFetcherThread-console-consumer-40784_<hostname>-1401354179291-21cd16e1-0-0], > > > Error in fetch Name: FetchRequest; Version: 0; CorrelationId: 1401; > > > ClientId: > > > > console-consumer-40784-ConsumerFetcherThread-console-consumer-40784_<hostname>-1401354179291-21cd16e1-0-0; > > > ReplicaId: -1; MaxWait: 100 ms; MinBytes: 1 bytes; RequestInfo: > [test,0] -> > > > PartitionFetchInfo(0,1048576),[test,2] -> PartitionFetchInfo(0,1048576) > > > (kafka.consumer.ConsumerFetcherThread) > > > java.net.ConnectException: Connection refused > > > at sun.nio.ch.Net.connect0(Native Method) > > > at sun.nio.ch.Net.connect(Net.java:465) > > > at sun.nio.ch.Net.connect(Net.java:457) > > > at > sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:670) > > > at > kafka.network.BlockingChannel.connect(BlockingChannel.scala:57) > > > at > kafka.consumer.SimpleConsumer.connect(SimpleConsumer.scala:44) > > > at > kafka.consumer.SimpleConsumer.reconnect(SimpleConsumer.scala:57) > > > at > > > kafka.consumer.SimpleConsumer.liftedTree1$1(SimpleConsumer.scala:79) > > > at > > > > kafka.consumer.SimpleConsumer.kafka$consumer$SimpleConsumer$$sendRequest(SimpleConsumer.scala:71) > > > at > > > > kafka.consumer.SimpleConsumer$$anonfun$fetch$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(SimpleConsumer.scala:109) > > > at > > > > kafka.consumer.SimpleConsumer$$anonfun$fetch$1$$anonfun$apply$mcV$sp$1.apply(SimpleConsumer.scala:109) > > > at > > > > kafka.consumer.SimpleConsumer$$anonfun$fetch$1$$anonfun$apply$mcV$sp$1.apply(SimpleConsumer.scala:109) > > > at kafka.metrics.KafkaTimer.time(KafkaTimer.scala:33) > > > at > > > > kafka.consumer.SimpleConsumer$$anonfun$fetch$1.apply$mcV$sp(SimpleConsumer.scala:108) > > > at > > > > kafka.consumer.SimpleConsumer$$anonfun$fetch$1.apply(SimpleConsumer.scala:108) > > > at > > > > kafka.consumer.SimpleConsumer$$anonfun$fetch$1.apply(SimpleConsumer.scala:108) > > > at kafka.metrics.KafkaTimer.time(KafkaTimer.scala:33) > > > at > kafka.consumer.SimpleConsumer.fetch(SimpleConsumer.scala:107) > > > at > > > > kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:96) > > > at > > > > kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:88) > > > at > kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:51) > > > -----------------8<---------------- end ----------------8<----------- > > > > > > And when I send another message by using console-producer, it fails > with > > > the same error, connect refused. > > > > > > From the kafka-topic.sh, it says the leader already failed-over, like > > > below. > > > > > > ----------------------8<--------------- topic describe > ----8<------------- > > > Topic:test PartitionCount:3 ReplicationFactor:2 > Configs: > > > Topic: test Partition: 0 Leader: 1 Replicas: 0,1 > > > Isr: 1 > > > Topic: test Partition: 1 Leader: 1 Replicas: 1,0 > > > Isr: 1 > > > Topic: test Partition: 2 Leader: 1 Replicas: 0,1 > > > Isr: 1 > > > -----------------8<---------------- end ----------------8<----------- > > > > > > However, from the quick start, it seems it shouldn't fail at all. > > > > > > -- > > > Thanks, > > > Chengwei > > > >
