kafka-clients

library4.3.0javamavenunverified

Apache Kafka clients library provides producer and consumer APIs for interacting with Apache Kafka clusters.

<dependency>
  <groupId>org.apache.kafka</groupId>
  <artifactId>kafka-clients</artifactId>
  <version>4.3.0</version>
</dependency>

homepage ↗docs ↗

INSTALL

IMPORT

SIG · KAFKA-CLIENTS

kafka-clients

messagingjavav4.3.0

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Install & Compatibility

Where this runs

No compatibility data collected yet for this library.

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

KafkaProducer

✓ org.apache.kafka.clients.producer.KafkaProducer

Sends a message to a Kafka topic using the producer API.

import org.apache.kafka.clients.producer.KafkaProducer; import org.apache.kafka.clients.producer.ProducerRecord; import java.util.Properties; public class KafkaExample { public static void main(String[] args) { Properties props = new Properties(); props.put("bootstrap.servers", "localhost:9092"); props.put("key.serializer", "org.apache.kafka.common.serialization.StringSerializer"); props.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer"); try (KafkaProducer<String, String> producer = new KafkaProducer<>(props)) { producer.send(new ProducerRecord<>("my-topic", "key", "value")); } } }

Debug

Known issues

breakingKafka clients 4.x may have breaking changes from 3.x, especially in configuration and API methods.

fix

Review the Kafka 4.0 migration guide for changes in producer/consumer APIs and configuration keys.

affects: >=4.0.0

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Version history

4.3.0latest on Maven

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Dependencies

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Resources

homepagehttps://kafka.apache.org ↗

docshttps://appdoc.app/artifact/org.apache.kafka/kafka-clients/ ↗