Which version of Kafka are you using?

Off the top of my head it should be: 
tier2.sources.source1.kafka.auto.offset.reset = earliest

Of course changing the group ID or if it's an older version of Kafka removing 
the corresponding offset znode from zookeeper ought to do the trick

-- Chris Horrocks

On Thu, Oct 13, 2016 at 8:55 am, Ping PW Wang <'wpw...@cn.ibm.com'> wrote:

I used KafkaSource to consume the messages from Kafka. I found only new 
messages were received while the old existing message not. I tried to use a new 
consumer group and update the parameter "auto.offset.reset = latest" to 
"earliest", but this does not work.

tier2.sources.source1.kafka.consumer.group.id = test-consumer-group-new
tier2.sources.source1.kafka.consumer.auto.offset.reset = earliest

Anyone knows how to make KafkaSource consume the existing messages?
Thanks a lot for any advice!

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