example</groupId> <artifactId>kafkaDemo</artifactId> <version>0.0.1-SNAPSHOT</version> <name>kafkaDemo</name> <description>kafkaDemo</description> <properties> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>...
生成的java类整体结构如下所示,作为一个嵌套类,类名整体为我们指定的java_outer_classname参数,即UserProtoBuf。 4. 序列化与反序列化测试 package org.example; public class UserProtoTest { public static void main(String[] args) throws Exception { // 通过getClientPush方法将数据序列化 byte[] byteData ...
package com.gwm.marketing.kafka;publicclassKafkaConsumerExample {publicstaticvoidmain(String[] args) { Map<String,Object> consumer =newHashMap<>(8); consumer.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG,"127.0.0.1:9092"); consumer.put(ConsumerConfig.GROUP_ID_CONFIG,"java-group"); consumer.put(Co...
import java.util.concurrent.ExecutionException;public class KafkaProducerExample { public static void main(String[] args) { // 1. 配置生产者的各种属性。Properties props = new Properties();// 设置Kafka集群的地址，这里假设Kafka运行在本地，端口是9092。props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG...
# java.net.InetAddress.getCanonicalHostName()ifnot configured.#FORMAT:# listeners=listener_name://host_name:port #EXAMPLE:# listeners=PLAINTEXT://your.host.name:9092#listeners=PLAINTEXT://:9092# Hostname and port the broker will advertise to producers and consumers.If not set,# it uses the ...
Client config example Handling expired or invalid tokens gracefully OAuth2 for Authentication One of the advantages of OAuth2 compared to direct client-server authentication is that client credentials are never shared with the server. Rather, there exists a separate OAuth2 authorization server that appl...
Let’s take a look at the scenario of wallet transaction processing – The goal of this use-case is to process the wallet transaction and notify users via email /sms/in-app. This is a fictitious example to showcase the Kafka trigger and output binding usage with Avro and...
We build and test Apache Kafka with 17 and 23. The release parameter in javac is set to 11 for the clients and streams modules, and 17 for the rest, ensuring compatibility with their respective minimum Java versions. Similarly, the release parameter in scalac is set to 11 for the streams...
❯ mvn clean compile assembly:single && java -jar target/java-kafka-example-1.0-SNAPSHOT-jar-with-dependencies.jar sent msg 0 received message: this is message 0 sent msg 1 received message: this is message 1 sent msg 2 received message: this is message 2 ...
To 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. ...