"How to handle exception if message lost during publishing to kafka" Code Answer's
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How to handle exception if message lost during publishing to kafka
public class ProduceToKafka {
private ProducerRecord<String, String> message = null;
// TracerBulletProducer class has producer properties
private KafkaProducer<String, String> myProducer = TracerBulletProducer
.createProducer();
public void publishMessage(String string) {
ProducerRecord<String, String> message = new ProducerRecord<>(
"topicName", string);
myProducer.send(message, new MyCallback(message.key(), message.value()));
}
class MyCallback implements Callback {
private final String key;
private final String value;
public MyCallback(String key, String value) {
this.key = key;
this.value = value;
}
@Override
public void onCompletion(RecordMetadata metadata, Exception exception) {
if (exception == null) {
log.info("--------> All good !!");
} else {
log.info("--------> not so good !!");
log.info(metadata.toString());
log.info("" + metadata.serializedValueSize());
log.info(exception.getMessage());
}
}
}
}
Source: stackoverflow.com
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