- String value = mapper.writeValueAsString(user);
- ProducerRecord<String, String> record = new ProducerRecord<>(topic, user.getUsername(), value);
+ ProducerRecord<String, User> record =
+ new ProducerRecord<>(
+ topic,
+ userRequest.getUsername(),
+ User
+ .newBuilder()
+ .setUsername(userRequest.getUsername())
+ .setFirstName(userRequest.getFirstName())
+ .setLastName(userRequest.getLastName())
+ .build());