You need to explicitly set the "group.id" configuration property (with rd_kafka_conf_set()) when using the high-level consumer.
Den sön 10 mars 2019 kl 18:57 skrev K R, Rakesh <r...@hpe.com>: > Then any idea on why I am seeing this error > RD_KAFKA_RESP_ERR__UNKNOWN_GROUP without group id? > > -----Original Message----- > From: Akshata akshu [mailto:akshataaksh...@gmail.com] > Sent: Sunday, March 10, 2019 11:20 PM > To: users@kafka.apache.org > Subject: Re: group id issue on kafka using C library > > Hi, > Group id is not mandatory. If you create a consumer without the group id > random group id is assigned for the consumer. > > On Sun 10 Mar, 2019 11:08 pm K R, Rakesh, <r...@hpe.com> wrote: > > > Hi, > > I am completely new to this kafka. > > I was just playing around with example code provided in the repo > > https://github.com/edenhill/librdkafka/tree/master/examples. > > I have encountered an issue where rd_kafka_poll_set_consumer() api > > throws me an error saying Local: Unknown group > > (RD_KAFKA_RESP_ERR__UNKNOWN_GROUP ) Using consumer group is mandatory? > > I am using librdkafka v1.0.0 (0x10000ff) > > > > Thanks & Regards, > > Rakesh K R > > > > >
