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The Kafka Handler sends instances of the Kafka ProducerRecord class to the Kafka producer API, which in turn publishes the ProducerRecord to a Kafka topic. For the purpose of illustration, let's create a function that writes a message into the Kafka cluster every second, forever: // the topic and broker address are initialized as constants const ( topic = "message-log" broker1Address = "localhost:9093" broker2Address = "localhost:9094" broker3Address = "localhost . It seems you did indeed encounter a bug in librdkafka's retry logic (I believe this issues is the same as #375 . As opposed to the typical JAX-RS model supported in TPF JAMs, the new guaranteed delivery model uses a local MQ to transport data to the Java environment instead of a synchronous api (tpf_srvcInvoke). The most important logic is contacting the remote transaction coordinator, which resides on a broker. Install-Package Confluent.Kafka. Once delivered the callback is invoked with the delivery report for . You may also want to check out all available functions/classes of the module confluent_kafka , or try the search function . Users should generally prefer to leave this config unset and instead use delivery.timeout.ms to control retry behavior. Kafka does a nice job of decoupling systems but there are still many opportunities for things to go wrong while processing data. Acks (acknowledgments) An ack is an acknowledgment that the producer gets from a Kafka broker to ensure that the message has been successfully committed to that broker. Step 2: Create the Kafka Topic. Most simple usage would be: producer = aiokafka.AIOKafkaProducer(bootstrap_servers='localhost:9092') await producer.start() try: await producer.send_and_wait("my_topic", b"Super message") finally: await producer.stop() Under the hood, Producer does . The ProducerRecord has two components: a key and a value. sync ( bool) - Whether calls to produce should wait for the message to send before returning. KafkaProducer (kafka 3.1.1 API) Spring boot auto configure Kafka producer and consumer for us, if correct configuration is provided through application.yml or spring.properties file and saves us from writing boilerplate code. Step 3: Start a Kafka Console Consumer. 1 Producer API. The KafkaProducer class provides an option to connect a Kafka broker in its constructor with the following methods. KIP-588: Allow producers to recover gracefully from transaction ... This includes builtin support for an Apache Kafka producer as well as the ability to create custom producers for other environments.