Kafka API combat

The first 4 chapters Kafka used to live API combat

1) Start zk and kafka cluster, in kafka open a consumer cluster

[hadoop102 kafka]$ bin/kafka-console-consumer.sh \ --zookeeper hadoop01:2181 --topic first

2 ) introducing pom dependent

 

<dependencies>
   <!-- https://mvnrepository.com/artifact/org.apache.kafka/kafka-clients -->
<dependency>
    <groupId>org.apache.kafka</groupId>
    <artifactId>kafka-clients</artifactId>
    <version>2.2.1</version>
</dependency>
    <!-- https://mvnrepository.com/artifact/org.apache.kafka/kafka -->
<dependency>
    <groupId>org.apache.kafka</groupId>
    <artifactId>kafka_2.12</artifactId>
    <version>2.2.1</version>
</dependency>

</dependencies>

 

4 . 2 Kafka used to live producer Java API

4.2.1 Create Production 's ( outdated API )