props.put("metadata.max.age.ms", "1000");
props.put("key.deserializer", StringDeserializer.class.getName());
props.put("value.deserializer", JsonDeserializer.class.getName());
- props.put(JsonDeserializer.VALUE_DEFAULT_TYPE, ClientMessage.class.getName());
+ props.put(JsonDeserializer.TYPE_MAPPINGS, "message:" + ClientMessage.class.getName());
props.put(JsonDeserializer.TRUSTED_PACKAGES, "de.juplo.kafka");
return new KafkaConsumer<>(props);