packagecn.ljh.kafka.kafka_helloworld;importkafka.consumer.ConsumerConfig;importkafka.consumer.KafkaStream;importkafka.javaapi.consumer.ConsumerConnector;importjava.util.HashMap;importjava.util.List;importjava.util.Map;importjava.util.Properties;importjava.util.concurrent.ExecutorService;importjava.util.concurrent...
Producer and ConsumerTo run the consumer and producer example, use the following steps:Fork/Clone the repository to your development environment. Install Java JDK 8 or higher. This was tested with Oracle Java 8, but should work under things like OpenJDK as well. Install Mav...
下面是消费端的代码实现: package cn.outofmemory.kafka; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Properties; import kafka.consumer.ConsumerConfig; import kafka.consumer.ConsumerIterator; import kafka.consumer.KafkaStream; import kafka.javaapi.consumer.Co...
0, clientName);//提交修改偏移量的请求,并获取返回值kafka.javaapi.OffsetCommitResponse response =consumer.commitOffsets(ocRequest);//根据返回值进行不同的操作if(response.hasError()) {shortcode =response.errorCode(topicAndPartition);if(times >this.maxRetryTimes) {thrownewRuntimeException("Update the...
bin/kafka-consumer-groups.sh --bootstrap-server localhost:9092 --describe --group test-group I'm using kafka_2.12-0.10.2.0 and org.springframework.kafka:spring-kafka:1.1.3.RELEASE java spring apache-kafka kafka-consumer-api spring-kafka Share Improve this question Follow asked Mar 29, 2017...
private static final String ENABLE_AUTO_COMMIT_DOC = "If true the consumer's offset will be periodically committed in the background."; 1. 2. Offset是Kafka进行消息推送控制的关键之处。 生产者拦截器机制 生产者拦截机制允许客户端在生产者在消息发送到Kafka集群之前,对消息进行拦截,甚至可以修改消息内容...
spring.application.name=kafka-consumer kafka.bootstrap.servers=127.0.0.1:9092 kafka.topic.order=topic-order kafka.group.id=group-order 4、实体类MessageBean package com.example.consumer.controller.entity; import lombok.Data; import java.io.Serializable; ...
at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.clientPoll(ConsumerNetworkClient.java:320) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:213) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java...
2、创建 Consumer。这个 Consumer 订阅的 Topic 为 myTopic。 代码语言:javascript 复制 // kafka_consumer.gopackagemainimport("fmt""github.com/confluentinc/confluent-kafka-go/kafka")funcmain(){c,err:=kafka.NewConsumer(&kafka.ConfigMap{"bootstrap.servers":"localhost","group.id":"myGroup","auto....
import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.TimeUnit; import java.util.concurrent.atomic.AtomicBoolean; public class KafkaConsumerExample { //config public static Properties getConfig() ...