server.port=8081 让我们在ApacheKafkaConsumerApplication文件中运行Springboot应用程序 输出:在输出中,您可以看到当您从Kafka主题发送消息时,它会实时显示在控制台上。 注:本文由VeryToolz翻译自Spring Boot Kafka Consumer Example,非经特殊声明,文中代码和图片版权归原作者AmiyaRanjanRout所有,本译文的传播和使用请遵循...
.consumer.SimpleConsumer; import kafka.message.MessageAndOffset; public class SimpleExample { private List<String> m_replicaBrokers = new ArrayList<String>(); public SimpleExample() { m_replicaBrokers = new ArrayList<String>(); } public static void main(String args[]) { SimpleExample example =...
private final Consumer<String, String> kafkaConsumer; public KafkaConsumerService(Consumer<String, String> kafkaConsumer) { this.kafkaConsumer = kafkaConsumer; } public void pollMessages() { kafkaConsumer.subscribe(Collections.singletonList("my-topic")); while (true) { // 手动调用 poll 方法 var r...
2.2 代码示例 以下示例演示了如何创建一个简单的 Kafka Consumer 并读取主题数据。 importorg.apache.kafka.clients.consumer.Consumer;importorg.apache.kafka.clients.consumer.ConsumerConfig;importorg.apache.kafka.clients.consumer.ConsumerRecords;importorg.apache.kafka.clients.consumer.KafkaConsumer;importorg.apache....
Kafka Consumer接口 对于kafka的consumer接口,提供两种版本, high-level 一种high-level版本,比较简单不用关心offset, 会自动的读zookeeper中该Consumer group的last offset 参考,https://cwiki.apache.org/confluence/display/KAFKA/Consumer+Group+Example 不过要注意一些注意事项,对于多个partition和多个consumer...
public class KafkaConsumerExample { public static void main(String[] args) { String bootstrapServers = "localhost:9092"; String topic = "test-topic"; String groupId = "test-group"; Properties props = new Properties(); props.put("bootstrap.servers", bootstrapServers); ...
The following code snippet belongs to the run method in the com.huawei.bigdata.kafka.example.Consumer class. It is used to consume topic messages that are subscribed to. Sample Code DoWork method logic of the consumer thread. This method is the rewrite of the run method. /** * Message ...
下面代码片段在com.huawei.bigdata.kafka.example.Consumer类中,用于消费订阅的Topic消息。Consumer线程的dowork方法逻辑,该方法是run方法的重写
Apache Kafka - Consumer Group Example - Consumer group is a multi-threaded or multi-machine consumption from Kafka topics.
Properties properties = new Properties(); properties.put("group.id", "flink-kafka-example"); properties.put("bootstrap.servers", "localhost:9092"); DataStream<String> inputStream = env.addSource( new FlinkKafkaConsumer09<>( kafkaInputTopic, new SimpleStringSchema(), properties)); 在scala 中:...