Karan, have you got auto.offset.reset in your consumer.properties? https://kafka.apache.org/documentation/#newconsumerconfigs
On Thu, Jun 22, 2017 at 2:00 AM, karan alang <karan.al...@gmail.com> wrote: > Hi All, > > I've 2 Kafka clusters (Kafka 10) & I'm trying to test the MirrorMaker > functionality. > > Here is what i did : > > 1) I have identical topics Topic1 on 2 Kafka clusters - Cluster1 & Cluster2 > 2) On Cluster1, I publish 100 messages on Topic1 > > 3) I've 2 consumers reading messages from the 2 topics on Cluster1 & > Cluster2 > > 4) I start MirrorMaker AFTER THE MESSAGES HAVE BEEN PUBLISHED ON Cluster1 > > $KAFKA10_HOME1/bin/kafka-run-class.sh kafka.tools.MirrorMaker > --consumer.config $KAFKA10_HOME1/config/mmConsumer.config --num.streams 3 > --producer.config $KAFKA10_HOME1/config/mmProducer.config > --whitelist="mmtopic1" --abort.on.send.failure true > > > I expected that Once the MirrorMaker was started, the 100 messages > published on Cluster1, would be published on Cluster2 > > However that is not happening... > > What needs to be done to enable this ? >