Hi,
I think you should call 'get' on the Future returned by 'send' or issue a
producer.flush.
Producer.send is async
Enrico
Il Dom 26 Giu 2016 07:07 Shekar Tippur <ctip...@gmail.com> ha scritto:
> Another observation ..
>
> The below code produces. Cant understand this randomness :/
>
> 2 xyz
>
> 3 xyz
>
> 3 xyz
>
> 3 xyz
>
> 3 xyz
>
> 4 xyz
>
> 4 xyz
>
> 4 xyz
>
> 4 xyz
>
>
>
> for(int i = 0; i < 5; i++) {
> producer.send(new ProducerRecord<String, String>("test",
> Integer.toString(i), "xyz"));
> producer.send(new ProducerRecord<String, String>("test",
> Integer.toString(i),"xyz"));
> producer.send(new ProducerRecord<String, String>("test",
> Integer.toString(i),"xyz"));
> producer.send(new ProducerRecord<String, String>("test",
> Integer.toString(i),"xyz"));
> }
>
>
> On Sat, Jun 25, 2016 at 10:20 AM, Shekar Tippur <ctip...@gmail.com> wrote:
>
> > Any updates on this issue please? As suggested, I tried adding a
> > microsleep between consecutive producer.send () And random messages got
> > into the topic.(not all messages got into the topic) I am blocked on
> this
> > issue. Appreciate if someone could help me out on this.
> >
> > Sent from my iPhone
> >
> > On Jun 24, 2016, at 13:49, Shekar Tippur <ctip...@gmail.com> wrote:
> >
> > Intersting. So if we introduce a sleep after the first send then it
> > produces properly?
> >
> > Here is my log. Clearly there is a conn reset.
> >
> > [2016-06-24 13:42:48,620] ERROR Closing socket for /127.0.0.1 because of
> > error (kafka.network.Processor)
> >
> > java.io.IOException: Connection reset by peer
> >
> > at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
> >
> > at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
> >
> > at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
> >
> > at sun.nio.ch.IOUtil.read(IOUtil.java:197)
> >
> > at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:379)
> >
> > at kafka.utils.Utils$.read(Utils.scala:380)
> >
> > at
> >
> kafka.network.BoundedByteBufferReceive.readFrom(BoundedByteBufferReceive.scala:54)
> >
> > at kafka.network.Processor.read(SocketServer.scala:444)
> >
> > at kafka.network.Processor.run(SocketServer.scala:340)
> >
> > at java.lang.Thread.run(Thread.java:745)
> >
> > On Fri, Jun 24, 2016 at 1:28 PM, Fumo, Vincent <vincent_f...@comcast.com
> >
> > wrote:
> >
> >> I'm seeing similar with the v9 producer. Here is some test code:
> >>
> >> @Test
> >> public void test1() throws InterruptedException {
> >> Producer<String, String> producer = createProducer(BROKER_DEV);
> >> producer.send(new ProducerRecord<>(TOPIC, "value"));
> >> producer.send(new ProducerRecord<>(TOPIC, "key2", "value2"));
> >> producer.send(new ProducerRecord<>(TOPIC, "key3", "value3"));
> >> }
> >>
> >> @Test
> >> public void test2() throws InterruptedException {
> >> Producer<String, String> producer = createProducer(BROKER_DEV);
> >> producer.send(new ProducerRecord<>(TOPIC, "value"));
> >> Thread.sleep(10L);
> >> producer.send(new ProducerRecord<>(TOPIC, "key2", "value2"));
> >> producer.send(new ProducerRecord<>(TOPIC, "key3", "value3"));
> >> }
> >>
> >>
> >> public Producer<String, String> createProducer(String broker) {
> >>
> >> if (StringUtils.isBlank(broker)) {
> >> return null;
> >> }
> >>
> >> Properties props = new Properties();
> >>
> >> props.put("bootstrap.servers", broker);
> >> props.put("key.serializer",
> >> "org.apache.kafka.common.serialization.StringSerializer");
> >> props.put("value.serializer",
> >> "org.apache.kafka.common.serialization.StringSerializer");
> >> props.put("producer.type", "async");
> >>
> >> props.put("max.block.ms", "500");
> >> props.put("acks", "all");
> >> props.put("retries", "0");
> >> props.put("batch.size", "1638");
> >> props.put("linger.ms", "1");
> >> props.put("buffer.memory", "33554432");
> >> props.put("compression.type", "gzip");
> >> props.put("client.id", "testClientId");
> >>
> >> return new KafkaProducer<>(props);
> >> }
> >>
> >> /usr/local/kafka/bin/kafka-console-consumer.sh --zookeeper
> >> mer-arch-zk-01d.something.com:2181 --property print.key=true --topic
> test
> >>
> >> note that when I run test1() I get nothing posted to the topic at all.
> >> Here is the log produced ::
> >>
> >> 16:15:44.527 [main] INFO o.a.k.c.producer.ProducerConfig -
> >> ProducerConfig values:
> >> compression.type = gzip
> >> metric.reporters = []
> >> metadata.max.age.ms = 300000
> >> metadata.fetch.timeout.ms = 60000
> >> reconnect.backoff.ms = 50
> >> sasl.kerberos.ticket.renew.window.factor = 0.8
> >> bootstrap.servers = [cmp-arch-kafka-01d.something.com:9092]
> >> retry.backoff.ms = 100
> >> sasl.kerberos.kinit.cmd = /usr/bin/kinit
> >> buffer.memory = 33554432
> >> timeout.ms = 30000
> >> key.serializer = class
> >> org.apache.kafka.common.serialization.StringSerializer
> >> sasl.kerberos.service.name = null
> >> sasl.kerberos.ticket.renew.jitter = 0.05
> >> ssl.keystore.type = JKS
> >> ssl.trustmanager.algorithm = PKIX
> >> block.on.buffer.full = false
> >> ssl.key.password = null
> >> max.block.ms = 500
> >> sasl.kerberos.min.time.before.relogin = 60000
> >> connections.max.idle.ms = 540000
> >> ssl.truststore.password = null
> >> max.in.flight.requests.per.connection = 5
> >> metrics.num.samples = 2
> >> client.id = testClientId
> >> ssl.endpoint.identification.algorithm = null
> >> ssl.protocol = TLS
> >> request.timeout.ms = 30000
> >> ssl.provider = null
> >> ssl.enabled.protocols = [TLSv1.2, TLSv1.1, TLSv1]
> >> acks = all
> >> batch.size = 1638
> >> ssl.keystore.location = null
> >> receive.buffer.bytes = 32768
> >> ssl.cipher.suites = null
> >> ssl.truststore.type = JKS
> >> security.protocol = PLAINTEXT
> >> retries = 0
> >> max.request.size = 1048576
> >> value.serializer = class
> >> org.apache.kafka.common.serialization.StringSerializer
> >> ssl.truststore.location = null
> >> ssl.keystore.password = null
> >> ssl.keymanager.algorithm = SunX509
> >> metrics.sample.window.ms = 30000
> >> partitioner.class = class
> >> org.apache.kafka.clients.producer.internals.DefaultPartitioner
> >> send.buffer.bytes = 131072
> >> linger.ms = 1
> >>
> >> 16:15:44.544 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name bufferpool-wait-time
> >> 16:15:44.595 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name buffer-exhausted-records
> >> 16:15:44.599 [main] DEBUG org.apache.kafka.clients.Metadata - Updated
> >> cluster metadata version 1 to Cluster(nodes = [Node(-1,
> >> cmp-arch-kafka-01d.something.com, 9092)], partitions = [])
> >> 16:15:44.613 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name connections-closed:client-id-testClientId
> >> 16:15:44.613 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name connections-created:client-id-testClientId
> >> 16:15:44.613 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name bytes-sent-received:client-id-testClientId
> >> 16:15:44.613 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name bytes-sent:client-id-testClientId
> >> 16:15:44.615 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name bytes-received:client-id-testClientId
> >> 16:15:44.615 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name select-time:client-id-testClientId
> >> 16:15:44.615 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name io-time:client-id-testClientId
> >> 16:15:44.620 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name batch-size
> >> 16:15:44.620 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name compression-rate
> >> 16:15:44.620 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name queue-time
> >> 16:15:44.620 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name request-time
> >> 16:15:44.621 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name produce-throttle-time
> >> 16:15:44.621 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name records-per-request
> >> 16:15:44.621 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name record-retries
> >> 16:15:44.621 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name errors
> >> 16:15:44.621 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name record-size-max
> >> 16:15:44.624 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.k.c.producer.internals.Sender - Starting Kafka producer I/O thread.
> >> 16:15:44.624 [main] WARN o.a.k.c.producer.ProducerConfig - The
> >> configuration producer.type = async was supplied but isn't a known
> config.
> >> 16:15:44.626 [main] INFO o.a.kafka.common.utils.AppInfoParser - Kafka
> >> version : 0.9.0.1
> >> 16:15:44.626 [main] INFO o.a.kafka.common.utils.AppInfoParser - Kafka
> >> commitId : 23c69d62a0cabf06
> >> 16:15:44.627 [main] DEBUG o.a.k.clients.producer.KafkaProducer - Kafka
> >> producer started
> >> 16:15:44.703 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.apache.kafka.clients.NetworkClient - Initialize connection to node -1
> for
> >> sending metadata request
> >> 16:15:44.703 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.apache.kafka.clients.NetworkClient - Initiating connection to node -1
> at
> >> cmp-arch-kafka-01d.something.com:9092.
> >> 16:15:44.776 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> node--1.bytes-sent
> >> 16:15:44.777 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> >> node--1.bytes-received
> >> 16:15:44.777 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> node--1.latency
> >> 16:15:44.779 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.apache.kafka.clients.NetworkClient - Completed connection to node -1
> >> 16:15:44.905 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.apache.kafka.clients.NetworkClient - Sending metadata request
> >> ClientRequest(expectResponse=true, callback=null,
> >>
> request=RequestSend(header={api_key=3,api_version=0,correlation_id=0,client_id=testClientId},
> >> body={topics=[test]}), isInitiatedByNetworkClient,
> >> createdTimeMs=1466799344876, sendTimeMs=0) to node -1
> >> 16:15:44.931 [kafka-producer-network-thread | testClientId] DEBUG
> >> org.apache.kafka.clients.Metadata - Updated cluster metadata version 2
> to
> >> Cluster(nodes = [Node(0, cmp-arch-kafka-01d.something.com, 9092)],
> >> partitions = [Partition(topic = test, partition = 0, leader = 0,
> replicas =
> >> [0,], isr = [0,]])
> >> 16:15:44.944 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.apache.kafka.clients.NetworkClient - Initiating connection to node 0
> at
> >> cmp-arch-kafka-01d.something.com:9092.
> >>
> >>
> >> when I run test2() (which only introduces a 10ms sleep after the first
> >> send) things work as expected and I get this in the consumer/topic
> >>
> >> null value
> >> key2 value2
> >> key3 value3
> >>
> >> and this log ::
> >>
> >>
> >> 16:20:24.128 [main] INFO o.a.k.c.producer.ProducerConfig -
> >> ProducerConfig values:
> >> compression.type = gzip
> >> metric.reporters = []
> >> metadata.max.age.ms = 300000
> >> metadata.fetch.timeout.ms = 60000
> >> reconnect.backoff.ms = 50
> >> sasl.kerberos.ticket.renew.window.factor = 0.8
> >> bootstrap.servers = [cmp-arch-kafka-01d.something.com:9092]
> >> retry.backoff.ms = 100
> >> sasl.kerberos.kinit.cmd = /usr/bin/kinit
> >> buffer.memory = 33554432
> >> timeout.ms = 30000
> >> key.serializer = class
> >> org.apache.kafka.common.serialization.StringSerializer
> >> sasl.kerberos.service.name = null
> >> sasl.kerberos.ticket.renew.jitter = 0.05
> >> ssl.keystore.type = JKS
> >> ssl.trustmanager.algorithm = PKIX
> >> block.on.buffer.full = false
> >> ssl.key.password = null
> >> max.block.ms = 500
> >> sasl.kerberos.min.time.before.relogin = 60000
> >> connections.max.idle.ms = 540000
> >> ssl.truststore.password = null
> >> max.in.flight.requests.per.connection = 5
> >> metrics.num.samples = 2
> >> client.id = testClientId
> >> ssl.endpoint.identification.algorithm = null
> >> ssl.protocol = TLS
> >> request.timeout.ms = 30000
> >> ssl.provider = null
> >> ssl.enabled.protocols = [TLSv1.2, TLSv1.1, TLSv1]
> >> acks = all
> >> batch.size = 1638
> >> ssl.keystore.location = null
> >> receive.buffer.bytes = 32768
> >> ssl.cipher.suites = null
> >> ssl.truststore.type = JKS
> >> security.protocol = PLAINTEXT
> >> retries = 0
> >> max.request.size = 1048576
> >> value.serializer = class
> >> org.apache.kafka.common.serialization.StringSerializer
> >> ssl.truststore.location = null
> >> ssl.keystore.password = null
> >> ssl.keymanager.algorithm = SunX509
> >> metrics.sample.window.ms = 30000
> >> partitioner.class = class
> >> org.apache.kafka.clients.producer.internals.DefaultPartitioner
> >> send.buffer.bytes = 131072
> >> linger.ms = 1
> >>
> >> 16:20:24.157 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name bufferpool-wait-time
> >> 16:20:24.258 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name buffer-exhausted-records
> >> 16:20:24.679 [main] DEBUG org.apache.kafka.clients.Metadata - Updated
> >> cluster metadata version 1 to Cluster(nodes = [Node(-1,
> >> cmp-arch-kafka-01d.something.com, 9092)], partitions = [])
> >> 16:20:24.698 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name connections-closed:client-id-testClientId
> >> 16:20:24.698 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name connections-created:client-id-testClientId
> >> 16:20:24.698 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name bytes-sent-received:client-id-testClientId
> >> 16:20:24.698 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name bytes-sent:client-id-testClientId
> >> 16:20:24.700 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name bytes-received:client-id-testClientId
> >> 16:20:24.700 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name select-time:client-id-testClientId
> >> 16:20:24.701 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name io-time:client-id-testClientId
> >> 16:20:24.706 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name batch-size
> >> 16:20:24.707 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name compression-rate
> >> 16:20:24.707 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name queue-time
> >> 16:20:24.707 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name request-time
> >> 16:20:24.708 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name produce-throttle-time
> >> 16:20:24.708 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name records-per-request
> >> 16:20:24.708 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name record-retries
> >> 16:20:24.708 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name errors
> >> 16:20:24.708 [main] DEBUG o.a.kafka.common.metrics.Metrics - Added
> sensor
> >> with name record-size-max
> >> 16:20:24.710 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.k.c.producer.internals.Sender - Starting Kafka producer I/O thread.
> >> 16:20:24.711 [main] WARN o.a.k.c.producer.ProducerConfig - The
> >> configuration producer.type = async was supplied but isn't a known
> config.
> >> 16:20:24.713 [main] INFO o.a.kafka.common.utils.AppInfoParser - Kafka
> >> version : 0.9.0.1
> >> 16:20:24.713 [main] INFO o.a.kafka.common.utils.AppInfoParser - Kafka
> >> commitId : 23c69d62a0cabf06
> >> 16:20:24.714 [main] DEBUG o.a.k.clients.producer.KafkaProducer - Kafka
> >> producer started
> >> 16:20:24.782 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.apache.kafka.clients.NetworkClient - Initialize connection to node -1
> for
> >> sending metadata request
> >> 16:20:24.782 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.apache.kafka.clients.NetworkClient - Initiating connection to node -1
> at
> >> cmp-arch-kafka-01d.something.com:9092.
> >> 16:20:24.868 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> node--1.bytes-sent
> >> 16:20:24.869 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> >> node--1.bytes-received
> >> 16:20:24.869 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> node--1.latency
> >> 16:20:24.871 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.apache.kafka.clients.NetworkClient - Completed connection to node -1
> >> 16:20:24.994 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.apache.kafka.clients.NetworkClient - Sending metadata request
> >> ClientRequest(expectResponse=true, callback=null,
> >>
> request=RequestSend(header={api_key=3,api_version=0,correlation_id=0,client_id=testClientId},
> >> body={topics=[test]}), isInitiatedByNetworkClient,
> >> createdTimeMs=1466799624967, sendTimeMs=0) to node -1
> >> 16:20:25.021 [kafka-producer-network-thread | testClientId] DEBUG
> >> org.apache.kafka.clients.Metadata - Updated cluster metadata version 2
> to
> >> Cluster(nodes = [Node(0, cmp-arch-kafka-01d.something.com, 9092)],
> >> partitions = [Partition(topic = test, partition = 0, leader = 0,
> replicas =
> >> [0,], isr = [0,]])
> >> 16:20:25.035 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.apache.kafka.clients.NetworkClient - Initiating connection to node 0
> at
> >> cmp-arch-kafka-01d.something.com:9092.
> >> 16:20:25.041 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> node-0.bytes-sent
> >> 16:20:25.041 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> >> node-0.bytes-received
> >> 16:20:25.042 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name node-0.latency
> >> 16:20:25.042 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.apache.kafka.clients.NetworkClient - Completed connection to node 0
> >> 16:20:25.042 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> >> topic.test.records-per-batch
> >> 16:20:25.043 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> topic.test.bytes
> >> 16:20:25.043 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> >> topic.test.compression-rate
> >> 16:20:25.043 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> >> topic.test.record-retries
> >> 16:20:25.043 [kafka-producer-network-thread | testClientId] DEBUG
> >> o.a.kafka.common.metrics.Metrics - Added sensor with name
> >> topic.test.record-errors
> >>
> >>
> >> ----
> >>
> >> when I lower the backoff to say 50ms
> >>
> >> I get a logged exception at the start:
> >>
> >> 16:24:30.743 [main] DEBUG o.a.k.clients.producer.KafkaProducer -
> >> Exception occurred during message send:
> >> org.apache.kafka.common.errors.TimeoutException: Failed to update
> >> metadata after 50 ms.
> >>
> >>
> >> ----
> >>
> >> my thought is that the producer is trying to sync metadata but it is
> lazy
> >> about it and doesn't try until a message is sent. But then if other
> >> messages are in that batch since I have linger set to 1ms, they are
> lost as
> >> well. This is apparently solved by setting a tiny delay so that the
> >> messages are sent in 2 batches. Interestingly, to me, after that delay
> is
> >> added, the previously lost first message comes back.
> >>
> >> What I'd like to see is the producer establish all it's setup metadata
> >> syncing on startup.
> >>
> >> Am I missing something here?
> >>
> >>
> >>
> >>
> >>
> >> > On Jun 24, 2016, at 4:05 PM, Shekar Tippur <ctip...@gmail.com> wrote:
> >> >
> >> > Hello,
> >> >
> >> > I have a simple Kafka producer directly taken off of
> >> >
> >> >
> >>
> https://kafka.apache.org/090/javadoc/index.html?org/apache/kafka/clients/producer/KafkaProducer.html
> >> >
> >> > I have changed the bootstrap.servers property.
> >> >
> >> > props.put("bootstrap.servers", "localhost:9092");
> >> >
> >> > I dont see any events added to the test topic.
> >> >
> >> > console-producer works fine with broker localhost:9092.
> >> >
> >> > *I see that if I change *props.put("metadata.fetch.timeout.ms",100);
> >> >
> >> > the wait reduces but I still dont see any events in the topic.
> >> >
> >> > Can someone please explain what could be going on?
> >> >
> >> > - Shekar
> >>
> >>
> >
>
--
-- Enrico Olivelli
