Kafka High Level Consumer Fetch All Messages From Topic Using Java API (Equivalent to --from-beginning)

Question

I am testing the Kafka High Level Consumer using the ConsumerGroupExample code from the Kafka site. I would like to retrieve all the existing messages on the topic called \

Answer 1

 Properties props = new Properties(); 
 props.put("bootstrap.servers", "localhost:9092");
 props.put("auto.offset.reset", "earliest");
 props.put("group.id", UUID.randomUUID().toString());

This properties will help you.