Does the topic exist in both your programmatic broker and remote broker?

Also, are the topic settings same for partitions and replication factor?
GROUP_COORDINATOR_NOT_AVAILABLE is enforced as of 0.11.x if the
auto-created topic partition/replication-factor setup doesn't match
with server's config. So you might want to check all these.

Regards,

On Wed, 29 Aug 2018 at 15:55, Cristian Petroaca
<cpetro...@fitbit.com.invalid> wrote:

> Tried it, same problem with 9092.
> By the way, the same consumer works with a remote 1.0.1 Kafka broker with
> the same config.
> There doesn’t seem to be any networking issues with the embedded one since
> the consumer successfully sends Find Coordinator messages to it and the
> broker responds with Coordinator not found.
>
>
> On 29/08/2018, 17:46, "M. Manna" <manme...@gmail.com> wrote:
>
>     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
>     >     >
>     >
>     >
>     >
>
>
>

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