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This article mainly explains the "brief introduction of kakfa producers of java code". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "kakfa producer brief introduction of java code".

Kafka schematic diagram

Kafka producer of JAVA source code, this client uses kafka console command line, consumer, producer uses code coding. Read a lot of producer code with props.put ("zk.connect", "n2:2181/jafka"); really feel puzzled, without this parameter can run well, practice to know, understand the principle is really important, as follows:

Import java.util.Properties

Import kafka.javaapi.producer.Producer

Import kafka.producer.KeyedMessage

Import kafka.producer.ProducerConfig

/ * *

* 0.7.2

* @ author Administrator

*

, /

Public class ProducerSample {

Public static void main (String [] args) {

String topicName = "test"

String data = "this is a java-test. I Am gaojs"

ProducerSample ps = new ProducerSample ()

Properties props = new Properties ()

Props.put ("metadata.broker.list", "192.168.1.101 purl 9092")

Props.put ("serializer.class", "kafka.serializer.StringEncoder")

Props.put ("request.required.acks", "1")

ProducerConfig config = new ProducerConfig (props)

Producer producer = new Producer (config)

KeyedMessage keyedMessage = new KeyedMessage (topicName, data)

Producer.send (keyedMessage)

Producer.close ()

}

}

MAVEN environment

Org.apache.kafka

Kafka_2.10

0.9.0.1

Jmxtools

Com.sun.jdmk

Jmxri

Com.sun.jmx

Jms

Javax.jms

Log4j

Log4j

1.2.15

Jmxtools

Com.sun.jdmk

Jmxri

Com.sun.jmx

Jms

Javax.jms

Mail

Javax.mail

Junit

Junit

4.11

Test

Practice screenshot

Start zk

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