public class KafkaConsumer { @KafkaListener(topics = {"topic_name"}) public void receive(String message){ System.out.println("消费消息:" + message); } } 1. 2. 3. 4. 5. 6. 7. 为了解决发送消息失败导致的消息丢失,给kafkaTemplate设置
importorg.apache.kafka.clients.consumer.ConsumerRecord;importorg.springframework.kafka.annotation.KafkaListener;importorg.springframework.kafka.listener.MessageListenerContainer;importorg.springframework.scheduling.annotation.Scheduled;importorg.springframework.stereotype.Service;@ServicepublicclassKafkaConsumerService{@K...
@Slf4jpublicclassController{@AutowiredprivateKafkaTemplate<String,String>template;@RequestMapping("/springKafkaSend")publicStringsend(){String uuid=UUID.randomUUID().toString();//将消息发送到Kafka服务器的名称为“one-more-topic”的Topic中this.template.send("one-more-topic",uuid);log.info("uuid: {}...
java——spring boot集成kafka——消费端代码实现 publicclassMyConsumer {privatefinalstaticString TOPIC_NAME = "my-replicated-topic";privatefinalstaticString CONSUMER_GROUP_NAME = "testGroup";publicstaticvoidmain(String[] args) { Properties props=newProperties(); props.put(ConsumerConfig.BOOTSTRAP_SERVERS...
clients.consumer.KafkaConsumer; import org.apache.kafka.clients.producer.KafkaProducer; import org.apache.kafka.clients.producer.ProducerRecord; import org.apache.kafka.common.serialization.StringDeserializer; import org.apache.kafka.common.serialization.StringSerializer; import org.springframework.boot.Spring...
spring: kafka: #Kafka服务器地址 bootstrap-servers: 127.0.0.1:9092 consumer: #设置数据value的反序列化处理类 value-deserializer: org.apache.kafka.common.serialization.StringDeserializer 创建一个可以被Spring框架扫描到的类,并且在方法上加上@KafkaListener注解,就可以消费消息了,代码如下: @Component @Slf4j...
java——spring boot集成kafka——spring boot集成kafka——消费者的配置细节 @KafkaListener(groupId = "testGroup", topicPartitions ={ @TopicPartition(topic= "topic1", partitions = {"0", "1"}), @TopicPartition(topic= "topic2", partitions = "0",...
public KafkaConsumerkafkaConsumer() { Properties props = new Properties(); //设置Kafka服务器地址 props.put("bootstrap.servers", bootstrapServers); //设置消费组 props.put("group.id", groupId); //设置数据key的反序列化处理类 props.put("key.deserializer", StringDeserializer.class.getName());...
public void partition0(ConsumerRecord<String, String> content) { // processing logic comes here } @KafkaListener( clientIdPrefix = "part1", topics = "${spring.kafka.consumer.topic}", groupId = "${spring.kafka.consumer.group-id}", topicPartitions = { @TopicPartition(topic = "${spring....
Springboot系列之kafka操作 kafka简介 ApacheKafka®是一个分布式流媒体平台。有三个关键功能: 发布和订阅记录流,类似于消息队列或企业消息传递系统。 以容错的持久方式存储记录流。 记录发生时处理流。 Kafka通常用于两大类应用: 构建可在系统或应用程序之间可靠获取数据的实时流数据管道 ...