So have you tried binding it to 9092 rather than randomising it, and see if that makes any difference?
On Wed, 29 Aug 2018 at 15:41, Cristian Petroaca <cpetro...@fitbit.com.invalid> wrote: > Port = 0 means Kafka will start listening on a random port which I need. > I tried it with 5000 but I get the same result. > > > On 29/08/2018, 16:46, "M. Manna" <manme...@gmail.com> wrote: > > Can you extend the auto.commit.interval.ms to 5000 ? and retry? Also, > why > is your port set to 0? > > Regards, > > On Wed, 29 Aug 2018 at 14:25, Cristian Petroaca > <cpetro...@fitbit.com.invalid> wrote: > > > Hi, > > > > I’m using the Kafka lib with version 2.11_1.0.1. > > I use the KafkaServer.scala class to programmatically create a Kafka > > instance and connect it to a programmatically created Zookeeper > instance. > > It has the following properties: > > host.name", "127.0.0.1" > > "port", "0" > > "zookeeper.connect", "127.0.0.1:" + zooKeeperPort > > "broker.id", "1" > > auto.create.topics.enable", "true" > > "delete.topic.enable", "true" > > > > I then create a new Kafka Consumer with the following properties: > > bootstrap.servers", “127.0.0.1” + kafkaPort > > "auto.commit.interval.ms", "10" > > “client_id”, “xxxx” > > “enable.auto.commit”, “true” > > “auto.commit.interval.ms”, “10” > > > > My problem is that after I subscribe the consumer to a custom topic, > the > > consumer just blocks in the .poll() method and I see a lot of > messages like: > > “Group coordinator lookup failed: The coordinator is not available.” > > > > I read on another forum that a possible problem is that the > > _consumer_offsets topic doesn’t exist but that’s not the case for me. > > > > Can you suggest a possible root cause? > > > > Thanks, > > Cristian > > > > >