importorg.apache.kafka.clients.consumer.ConsumerConfig;importorg.apache.kafka.clients.consumer.ConsumerRecords;importorg.apache.kafka.clients.consumer.KafkaConsumer;importorg.apache.kafka.clients.consumer.ConsumerRecord;importjava.time.Duration;importjava.util.Collections;importjava.util.Properties;publicclassKafk...
importorg.apache.kafka.clients.consumer.ConsumerConfig;importorg.apache.kafka.clients.consumer.ConsumerRecord;importorg.apache.kafka.clients.consumer.KafkaConsumer;importorg.apache.kafka.clients.consumer.ConsumerRecords;importorg.apache.kafka.common.serialization.StringDeserializer;importjava.time.Duration;importjav...
KafkaConsumerTest * Description: * kafka消费者 demo * Version:1.0.0 */ public class KafkaConsumerTest implements Runnable { private final KafkaConsumer<String, String> consumer; private ConsumerRecords<String, String> msgList; private final String topic; private static final String GROUPID = "group...
importkafka.consumer.ConsumerConfig; importkafka.consumer.ConsumerIterator; importkafka.consumer.KafkaStream; importkafka.javaapi.consumer.ConsumerConnector; importkafka.serializer.StringDecoder; importkafka.utils.VerifiableProperties; publicclassKafkaConsumer{ privatefinalConsumerConnectorconsumer; publicKafkaConsumer()...
KafkaConsumer:和前文的KafkaProducer遥相呼应,用来创建一个消费者对象进行数据消费; ConsumerConfig:获取各种配置参数,如果不去配置,就是用默认的; ConsuemrRecord:每条数据都要封装成一个ConsumerRecord对象才可以进行消费。 那下面就开始写了,这个简单的demo一共分为四步: ...
props.put("value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer"); consumer=newKafkaConsumer<String, String>(props); }voidconsume(){ consumer.subscribe(Arrays.asList(KafkaProducerDemo.TOPIC));while(true) { ConsumerRecords<String, String> records = consumer.poll(100);for(...
valueDecoder); KafkaStream<String, String> stream = consumerMap.get(KafkaProducer.TOPIC).get(0); ConsumerIterator<String, String> it = stream.iterator(); while (it.hasNext()) System.out.println(it.next().message()); } public static void main(String[] args) { new KafkaConsumer()....
您可在云消息队列 Kafka 版控制台的Group 管理页面获取。 说明 如果应用运行producer.go发送消息,该参数可以不配置;如果应用运行consumer.go订阅消息,该参数必须配置。 ssl.truststore.location SSL根证书的路径。其中xxxx需要根据实际情况替换。例如,/home/doc/project/kafka-java-demo/ssl/src/main/resources/kafka....
* Kafka 消息消费者 */publicclassConsumerFastStart{// Kafka集群地址privatestaticfinal String brokerList="192.168.217.142:9092";// 主题名称-之前已经创建privatestaticfinal String topic="heima-per";// 消费组privatestaticfinal String groupId="group.demo";publicstaticvoidmain(String[]args){Properties prope...
编译并运行KafkaProducerDemo.java发送消息。 订阅消息 选择以下任意一种方式订阅消息。 单Consumer订阅消息。 创建单Consumer订阅消息程序KafkaConsumerDemo.java。 importjava.util.ArrayList;importjava.util.List;importjava.util.Properties;importorg.apache.kafka.clients.CommonClientConfigs;importorg.apache.kafka.clients...