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From Job-Selina Wu <swucaree...@gmail.com>
Subject Re: kafka producer failed
Date Sun, 26 Jul 2015 09:01:07 GMT
The exception is below:

kafka.common.FailedToSendMessageException: Failed to send messages after 3
tries.
kafka.common.FailedToSendMessageException: Failed to send messages after 3
tries.
at
kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:90)
at kafka.producer.Producer.send(Producer.scala:77)
at kafka.javaapi.producer.Producer.send(Producer.scala:33)
at http.server.HttpDemoHandler.doDemo(HttpDemoHandler.java:71)
at http.server.HttpDemoHandler.handle(HttpDemoHandler.java:32)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.eclipse.jetty.server.Server.handle(Server.java:498)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:265)
at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:243)
at
org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:610)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:539)
at java.lang.Thread.run(Thread.java:745)

On Sun, Jul 26, 2015 at 12:42 AM, Job-Selina Wu <swucareer99@gmail.com>
wrote:

> Hi, Yan:
>
>       My Http Server send message to Kafka.
>
> The server.log at deploy/kafka/logs/server.log shown :
>
> [2015-07-26 00:33:51,910] INFO Closing socket connection to /127.0.0.1. (kafka.network.Processor)
> [2015-07-26 00:33:51,984] INFO Closing socket connection to /127.0.0.1. (kafka.network.Processor)
> [2015-07-26 00:33:52,011] INFO Closing socket connection to /127.0.0.1. (kafka.network.Processor)
>
> .....
>
>
> Your help is highly appreciated.
>
> Sincerely,
>
> Selina
>
>
> On Sun, Jul 26, 2015 at 12:01 AM, Yan Fang <yanfang724@gmail.com> wrote:
>
>> You are giving the Kafka code and the Samza log, which does not make sense
>> actually...
>>
>> Fang, Yan
>> yanfang724@gmail.com
>>
>> On Sat, Jul 25, 2015 at 10:31 PM, Job-Selina Wu <swucareer99@gmail.com>
>> wrote:
>>
>> > Hi, Yi, Navina and Benjamin:
>> >
>> >     Thanks a lot to spending your time to help me this issue.
>> >
>> >     The configuration is below. Do you think it could be the
>> configuration
>> > problem?
>> > I tried         props.put("request.required.acks", "0"); and
>> >  props.put("request.required.acks", "1"); both did not work.
>> >
>> > --------
>> > Properties props = new Properties();
>> >
>> >     private final Producer<String, String> producer;
>> >
>> >     public KafkaProducer() {
>> >         //BOOTSTRAP.SERVERS
>> >         props.put("metadata.broker.list", "localhost:9092");
>> >         props.put("bootstrap.servers", "localhost:9092 ");
>> >         props.put("serializer.class", "kafka.serializer.StringEncoder");
>> >         props.put("partitioner.class", "com.kafka.SimplePartitioner");
>> >         props.put("request.required.acks", "0");
>> >
>> >         ProducerConfig config = new ProducerConfig(props);
>> >
>> >         producer = new Producer<String, String>(config);
>> >     }
>> >
>> > --------------
>> >
>> >      Exceptions at log are list below.
>> >
>> > Your help is highly appreciated.
>> >
>> > Sincerely,
>> > Selina Wu
>> >
>> >
>> > Exceptions at log
>> >
>> >
>> deploy/yarn/logs/userlogs/application_1437886672214_0001/container_1437886672214_0001_01_000001/samza-application-master.log
>> >
>> > 2015-07-25 22:03:52 Shell [DEBUG] Failed to detect a valid hadoop home
>> > directory
>> > *java.io.IOException: HADOOP_HOME or hadoop.home.dir are not set*.
>> >    at org.apache.hadoop.util.Shell.checkHadoopHome(Shell.java:265)
>> >    at org.apache.hadoop.util.Shell.<clinit>(Shell.java:290)
>> >    at org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:76)
>> >    at
>> >
>> org.apache.hadoop.yarn.conf.YarnConfiguration.<clinit>(YarnConfiguration.java:517)
>> >    at
>> > org.apache.samza.job.yarn.SamzaAppMaster$.main(SamzaAppMaster.scala:77)
>> >    at
>> org.apache.samza.job.yarn.SamzaAppMaster.main(SamzaAppMaster.scala)
>> > 2015-07-25 22:03:52 Shell [DEBUG] setsid is not available on this
>> > machine. So not using it.
>> > 2015-07-25 22:03:52 Shell [DEBUG] setsid exited with exit code 0
>> > 2015-07-25 22:03:52 ClientHelper [INFO] trying to connect to RM
>> > 127.0.0.1:8032
>> > 2015-07-25 22:03:52 AbstractService [DEBUG] Service:
>> > org.apache.hadoop.yarn.client.api.impl.YarnClientImpl entered state
>> > INITED
>> > 2015-07-25 22:03:52 RMProxy [INFO] Connecting to ResourceManager at
>> > /127.0.0.1:8032
>> > 2015-07-25 22:03:52 MutableMetricsFactory [DEBUG] field
>> > org.apache.hadoop.metrics2.lib.MutableRate
>> > org.apache.hadoop.security.UserGroupInformation$UgiMetrics.loginSuccess
>> > with annotation
>> > @org.apache.hadoop.metrics2.annotation.Metric(sampleName=Ops, about=,
>> > always=false, type=DEFAULT, value=[Rate of successful kerberos logins
>> > and latency (milliseconds)], valueName=Time)
>> > 2015-07-25 22:03:52 MutableMetricsFactory [DEBUG] field
>> > org.apache.hadoop.metrics2.lib.MutableRate
>> > org.apache.hadoop.security.UserGroupInformation$UgiMetrics.loginFailure
>> > with annotation
>> > @org.apache.hadoop.metrics2.annotation.Metric(sampleName=Ops, about=,
>> > always=false, type=DEFAULT, value=[Rate of failed kerberos logins and
>> > latency (milliseconds)], valueName=Time)
>> > 2015-07-25 22:03:52 MutableMetricsFactory [DEBUG] field
>> > org.apache.hadoop.metrics2.lib.MutableRate
>> > org.apache.hadoop.security.UserGroupInformation$UgiMetrics.getGroups
>> > with annotation
>> > @org.apache.hadoop.metrics2.annotation.Metric(sampleName=Ops, about=,
>> > always=false, type=DEFAULT, value=[GetGroups], valueName=Time)
>> > 2015-07-25 22:03:52 MetricsSystemImpl [DEBUG] UgiMetrics, User and
>> > group related metrics
>> > 2015-07-25 22:03:52 KerberosName [DEBUG] Kerberos krb5 configuration
>> > not found, setting default realm to empty
>> > 2015-07-25 22:03:52 Groups [DEBUG]  Creating new Groups object
>> > 2015-07-25 22:03:52 NativeCodeLoader [DEBUG] Trying to load the
>> > custom-built native-hadoop library...
>> > 2015-07-25 22:03:52 NativeCodeLoader [DEBUG] Failed to load
>> > native-hadoop with error: java.lang.UnsatisfiedLinkError: no hadoop in
>> > java.library.path
>> > 2015-07-25 22:03:52 NativeCodeLoader [DEBUG]
>> >
>> >
>> java.library.path=/home//Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
>> > 2015-07-25 22:03:52 NativeCodeLoader [WARN] Unable to load
>> > native-hadoop library for your platform... using builtin-java classes
>> > where applicable....
>> >
>> >
>> > 2015-07-25 22:03:53 KafkaCheckpointManager [WARN] While trying to
>> > validate topic __samza_checkpoint_ver_1_for_demo-parser7_1:
>> > *kafka.common.LeaderNotAvailableException. Retrying.*
>> > 2015-07-25 22:03:53 KafkaCheckpointManager [DEBUG] Exception detail:
>> > kafka.common.LeaderNotAvailableException
>> >    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
>> Method)
>> >    at
>> >
>> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
>> >    at
>> >
>> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>> >    at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
>> >    at java.lang.Class.newInstance(Class.java:442)
>> >    at
>> kafka.common.ErrorMapping$.maybeThrowException(ErrorMapping.scala:84)
>> >    at
>> > org.apache.samza.util.KafkaUtil$.maybeThrowException(KafkaUtil.scala:63)
>> >    at
>> >
>> org.apache.samza.checkpoint.kafka.KafkaCheckpointManager$$anonfun$validateTopic$2.apply(KafkaCheckpointManager.scala:389)
>> >    at
>> >
>> org.apache.samza.checkpoint.kafka.KafkaCheckpointManager$$anonfun$validateTopic$2.apply(KafkaCheckpointManager.scala:386)
>> >    at
>> >
>> org.apache.samza.util.ExponentialSleepStrategy.run(ExponentialSleepStrategy.scala:82)
>> >    at
>> >
>> org.apache.samza.checkpoint.kafka.KafkaCheckpointManager.validateTopic(KafkaCheckpointManager.scala:385)
>> >    at
>> >
>> org.apache.samza.checkpoint.kafka.KafkaCheckpointManager.start(KafkaCheckpointManager.scala:336)
>> >    at
>> >
>> org.apache.samza.coordinator.JobCoordinator$.buildJobModel(JobCoordinator.scala:127)
>> >    at
>> >
>> org.apache.samza.coordinator.JobCoordinator$.apply(JobCoordinator.scala:55)
>> >    at
>> >
>> org.apache.samza.job.yarn.SamzaAppMasterTaskManager.<init>(SamzaAppMasterTaskManager.scala:72)
>> >    at
>> > org.apache.samza.job.yarn.SamzaAppMaster$.main(SamzaAppMaster.scala:93)
>> >    at
>> org.apache.samza.job.yarn.SamzaAppMaster.main(SamzaAppMaster.scala)
>> > 2015-07-25 22:03:53 VerifiableProperties [INFO] Verifying properties
>> > 2015-07-25 22:03:53 VerifiableProperties [INFO] Property client.id is
>> > overridden to samza_checkpoint_manager-demo_parser7-1-1437887032962-0
>> > 2015-07-25 22:03:53 VerifiableProperties [INFO] Property
>> > metadata.broker.list is overridden to localhost:9092
>> > 2015-07-25 22:03:53 VerifiableProperties [INFO] Property
>> > request.timeout.ms is overridden to 30000
>> > 2015-07-25 22:03:53 ClientUtils$ [INFO] Fetching metadata from broker
>> > id:0,host:localhost,port:9092 with correlation id 1 for 1 topic(s)
>> > Set(__samza_checkpoint_ver_1_for_demo-parser7_1)
>> > 2015-07-25 22:03:53 BlockingChannel [DEBUG] Created socket with
>> > SO_TIMEOUT = 30000 (requested 30000), SO_RCVBUF = 408300 (requested
>> > -1), SO_SNDBUF = 114324 (requested 102400), connectTimeoutMs = 30000.
>> > 2015-07-25 22:03:53 SyncProducer [INFO] Connected to localhost:9092
>> > for producing
>> > 2015-07-25 22:03:53 SyncProducer [INFO] Disconnecting from
>> localhost:9092
>> > 2015-07-25 22:03:53 ClientUtils$ [DEBUG] Successfully fetched metadata
>> > for 1 topic(s) Set(__samza_checkpoint_ver_1_for_demo-parser7_1)
>> > 2015-07-25 22:03:53 KafkaCheckpointManager [INFO] Successfully
>> > validated checkpoint topic
>> > __samza_checkpoint_ver_1_for_demo-parser7_1.
>> >
>> >
>> >
>> > Exception at log
>> >
>> >
>> deploy/yarn/logs/userlogs/application_1437886672214_0001/container_1437886672214_0001_01_000002/stderr
>> >
>> > 2015-07-25 22:06:03 HttpDemoParserStreamTask [INFO] key=123:
>> > message=timestamp=06-20-2015 id=123 ip=22.231.113.69 browser=Chrome
>> > postalCode=95131 url=http://sample1.com language=ENG mobileBrand=Apple
>> > *count=3860*
>> > 2015-07-25 22:06:04 DefaultFetchSimpleConsumer [INFO] Reconnect due to
>> > socket error: java.io.EOFException: Received -1 when reading from
>> > channel, socket has likely been closed.
>> > 2015-07-25 22:06:04 Selector [WARN]
>> > *Error in I/O with localhost/127.0.0.1 <http://127.0.0.1
>> > >java.io.EOFException*
>> >    at
>> >
>> org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62)
>> >    at org.apache.kafka.common.network.Selector.poll(Selector.java:248)
>> >    at
>> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192)
>> >    at
>> > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191)
>> >    at
>> > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122)
>> >    at java.lang.Thread.run(Thread.java:745)
>> > 2015-07-25 22:06:04 DefaultFetchSimpleConsumer [DEBUG] Disconnecting
>> > from selinas-mbp.attlocal.net:9092
>> > 2015-07-25 22:06:04 Selector [WARN] Error in I/O with
>> > Selinas-MBP.attlocal.net/192.168.1.227
>> > java.io.EOFException
>> >    at
>> >
>> org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62)
>> >    at org.apache.kafka.common.network.Selector.poll(Selector.java:248)
>> >    at
>> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192)
>> >    at
>> > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191)
>> >    at
>> > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122)
>> >    at java.lang.Thread.run(Thread.java:745)
>> > 2015-07-25 22:06:04 DefaultFetchSimpleConsumer [DEBUG] Disconnecting
>> > from selinas-mbp.attlocal.net:9092
>> > 2015-07-25 22:06:04 Selector [WARN] Error in I/O with
>> > Selinas-MBP.attlocal.net/192.168.1.227
>> > java.io.EOFException
>> >    at
>> >
>> org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62)
>> >    at org.apache.kafka.common.network.Selector.poll(Selector.java:248)
>> >    at
>> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192)
>> >    at
>> > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191)
>> >    at
>> > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122)
>> >    at java.lang.Thread.run(Thread.java:745)
>> > 2015-07-25 22:06:04 Selector [WARN] Error in I/O with localhost/
>> 127.0.0.1
>> > java.io.EOFException
>> >    at
>> >
>> org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62)
>> >    at org.apache.kafka.common.network.Selector.poll(Selector.java:248)
>> >    at
>> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192)
>> >    at
>> > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191)
>> >    at
>> > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122)
>> >    at java.lang.Thread.run(Thread.java:745)
>> > 2015-07-25 22:06:04 NetworkClient [DEBUG] Node -1 disconnected.
>> > 2015-07-25 22:06:04 NetworkClient [DEBUG] Node 0 disconnected.
>> > 2015-07-25 22:06:04 NetworkClient [DEBUG] Node 0 disconnected.
>> > 2015-07-25 22:06:04 NetworkClient [DEBUG] Node -1 disconnected.
>> > 2015-07-25 22:06:04 NetworkClient [DEBUG] Trying to send metadata
>> > request to node 0
>> > 2015-07-25 22:06:04 NetworkClient [DEBUG] Trying to send metadata
>> > request to node 0
>> > 2015-07-25 22:06:04 NetworkClient [DEBUG] Init connection to node 0
>> > for sending metadata request in the next iteration
>> > 2015-07-25 22:06:04 NetworkClient [DEBUG] Init connection to node 0
>> > for sending metadata request in the next iteration
>> > 2015-07-25 22:06:04 NetworkClient [DEBUG] Initiating connection to
>> > node 0 at selinas-mbp.attlocal.net:9092.
>> > 2015-07-25 22:06:04 NetworkClient [DEBUG] Initiating connection to
>> > node 0 at selinas-mbp.attlocal.net:9092.
>> > 2015-07-25 22:06:04 NetworkClient [DEBUG] Trying to send metadata
>> > request to node 0
>> > 2015-07-25 22:06:04 NetworkClient [DEBUG] Trying to send metadata
>> > request to node 0
>> > 2015-07-25 22:06:04 Selector [WARN] Error in I/O with
>> > selinas-mbp.attlocal.net/192.168.1.227
>> > java.net.ConnectException: Connection refused
>> >    at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>> >    at
>> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
>> >    at org.apache.kafka.common.network.Selector.poll(Selector.java:238)
>> >    at
>> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192)
>> >    at
>> > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191)
>> >    at
>> > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122)
>> >    at java.lang.Thread.run(Thread.java:745)
>> > 2015-07-25 22:06:04 DefaultFetchSimpleConsumer [DEBUG] Disconnecting
>> > from selinas-mbp.attlocal.net:9092
>> > 2015-07-25 22:06:04 Selector [WARN] Error in I/O
>> >
>> >
>> > On Fri, Jul 24, 2015 at 5:03 PM, Benjamin Black <b@b3k.us> wrote:
>> >
>> > > what are the log messages from the kafka brokers? these look like
>> client
>> > > messages indicating a broker problem.
>> > >
>> > > On Fri, Jul 24, 2015 at 1:18 PM, Job-Selina Wu <swucareer99@gmail.com
>> >
>> > > wrote:
>> > >
>> > > > Hi, Yi:
>> > > >
>> > > >       I am wondering if the problem can be fixed by the parameter
 "
>> > > > max.message.size" at kafka.producer.ProducerConfig for the topic
>> size?
>> > > >
>> > > >       My Http Server send message to Kafka. The last message shown
>> on
>> > > > console is
>> > > > "message=timestamp=06-20-2015 id=678 ip=22.231.113.68 browser=Safari
>> > > > postalCode=95066 url=http://sample2.com language=ENG
>> mobileBrand=Apple
>> > > > count=4269"
>> > > >
>> > > > However the Kafka got Exception from message 4244th
>> > > > The error is below and Kafka do not accept any new message after
>> this.
>> > > >
>> > > > "[2015-07-24 12:46:11,078] WARN
>> > > >
>> > >
>> >
>> [console-consumer-61156_Selinas-MacBook-Pro.local-1437766693294-a68fc532-leader-finder-thread],
>> > > > Failed to find leader for Set([http-demo,0])
>> > > > (kafka.consumer.ConsumerFetcherManager$LeaderFinderThread)
>> > > > kafka.common.KafkaException: fetching topic metadata for topics
>> > > > [Set(http-demo)] from broker
>> > > [ArrayBuffer(id:0,host:10.1.10.173,port:9092)]
>> > > > failed
>> > > > at
>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:72)
>> > > > at
>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:93)
>> > > > at
>> > > >
>> > >
>> >
>> kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:66)
>> > > > at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:60)
>> > > > 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$$doSend(SyncProducer.scala:72)
>> > > > at kafka.producer.SyncProducer.send(SyncProducer.scala:113)
>> > > > at
>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58)
>> > > > ... 3 more
>> > > > [2015-07-24 12:46:11,287] WARN Fetching topic metadata with
>> correlation
>> > > id
>> > > > 21 for topics [Set(http-demo)] from broker
>> > > > [id:0,host:10.1.10.173,port:9092] failed (kafka.client.ClientUtils$)
>> > > > java.nio.channels.ClosedChannelException
>> > > > at kafka.network.BlockingChannel.send(BlockingChannel.scala:100)
>> > > > at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:73)
>> > > > at
>> > > >
>> > >
>> >
>> kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:72)
>> > > > at kafka.producer.SyncProducer.send(SyncProducer.scala:113)
>> > > > at
>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:58)
>> > > > at
>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:93)
>> > > > at
>> > > >
>> > >
>> >
>> kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:66)
>> > > > at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:60)"
>> > > >
>> > > >
>> > > > After the Error:
>> > > > I show the topic, it is right, but can not show the content by
>> command
>> > > line
>> > > >
>> > > > Selinas-MacBook-Pro:samza-Demo selina$
>> deploy/kafka/bin/kafka-topics.sh
>> > > > --list --zookeeper localhost:2181
>> > > > http-demo
>> > > > Selinas-MacBook-Pro:samza-Demo selina$
>> > > deploy/kafka/bin/kafka-console-consumer.sh
>> > > > --zookeeper localhost:2181 --from-beginning --topic http-demo
>> > > > [2015-07-24 12:47:38,730] WARN
>> > > >
>> > >
>> >
>> [console-consumer-10297_Selinas-MacBook-Pro.local-1437767258570-1a809d87],
>> > > > no brokers found when trying to rebalance.
>> > > > (kafka.consumer.ZookeeperConsumerConnector)
>> > > >
>> > > > Attached is my Kafka properties  for server and producer.
>> > > >
>> > > > Your help is highly appreciated
>> > > >
>> > > >
>> > > > Sincerely,
>> > > > Selina
>> > > >
>> > > >
>> > > >
>> > > > On Thu, Jul 23, 2015 at 11:16 PM, Yi Pan <nickpan47@gmail.com>
>> wrote:
>> > > >
>> > > >> Hi, Selina,
>> > > >>
>> > > >> Your question is not clear.
>> > > >> {quote}
>> > > >> When the messages was send to Kafka by KafkaProducer, It always
>> failed
>> > > >> when the message more than 3000 - 4000 messages.
>> > > >> {quote}
>> > > >>
>> > > >> What's failing? The error stack shows errors on the consumer side
>> and
>> > > you
>> > > >> were referring to failures to produce to Kafka. Could you be more
>> > > specific
>> > > >> regarding to what's your failure scenario?
>> > > >>
>> > > >> -Yi
>> > > >>
>> > > >> On Thu, Jul 23, 2015 at 5:46 PM, Job-Selina Wu <
>> swucareer99@gmail.com
>> > >
>> > > >> wrote:
>> > > >>
>> > > >> > Hi,
>> > > >> >
>> > > >> >     When the messages was send to Kafka by KafkaProducer,
It
>> always
>> > > >> failed
>> > > >> > when the message more than 3000 - 4000 messages. The error
is
>> shown
>> > > >> below.
>> > > >> > I am wondering if any topic size I need to set at Samza
>> > configuration?
>> > > >> >
>> > > >> >
>> > > >> > [2015-07-23 17:30:03,792] WARN
>> > > >> >
>> > > >> >
>> > > >>
>> > >
>> >
>> [console-consumer-84579_Selinas-MacBook-Pro.local-1437697324624-eecb4f40-leader-finder-thread],
>> > > >> > Failed to find leader for Set([http-demo,0])
>> > > >> > (kafka.consumer.ConsumerFetcherManager$LeaderFinderThread)
>> > > >> > kafka.common.KafkaException: fetching topic metadata for
topics
>> > > >> > [Set(http-demo)] from broker [ArrayBuffer()] failed
>> > > >> >         at
>> > > >> >
>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:72)
>> > > >> >         at
>> > > >> >
>> kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:93)
>> > > >> >         at
>> > > >> >
>> > > >> >
>> > > >>
>> > >
>> >
>> kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:66)
>> > > >> >         at
>> > > >> kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:60)
>> > > >> > ^CConsumed 4327 messages
>> > > >> >
>> > > >> > Your reply and comment will be highly appreciated.
>> > > >> >
>> > > >> >
>> > > >> > Sincerely,
>> > > >> > Selina
>> > > >> >
>> > > >>
>> > > >
>> > > >
>> > >
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