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From "Tauzell, Dave" <Dave.Tauz...@surescripts.com>
Subject Re: Suggestions
Date Fri, 02 Dec 2016 12:54:33 GMT
Can you use the console consumer to see the messages on the other topics?

> On Dec 2, 2016, at 04:56, Vincenzo D'Amore <v.damore@gmail.com> wrote:
>
> Hi Kafka Gurus :)
>
> I'm creating process between few applications.
>
> First application create a producer and then write a message into a main
> topic (A), within the message there is the name of a second topic (B). Then
> promptly create a second producer and write few message into the new topic
> (B).
>
> I write here because I don't understand why, a second application which is
> in poll on the main topic, when receive the first message (which contain
> the name of second topic), then, the strange thing is that the consumer on
> the second topic which stay in poll forever, *without receive any message*.
>
> What is wrong in this scenario, am I missing something? Please help.
>
> producer has this default properties:
>
>      "bootstrap.servers":"localhost:9092",
>      "acks":"all",
>      "retries":0,
>      "batch.size":16384,
>      "linger.ms":1,
>      "buffer.memory":33554432,
>
> "key.serializer":"org.apache.kafka.common.serialization.StringSerializer",
>
> "value.serializer":"org.apache.kafka.common.serialization.StringSerializer"
>
> consumer has this default properties:
>
>      "bootstrap.servers":"localhost:9092",
>      "enable.auto.commit":"true",
>      "auto.commit.interval.ms":"1000",
>      "session.timeout.ms":"30000",
>      "buffer.memory":33554432,
>      "key.deserializer":
> "org.apache.kafka.common.serialization.StringDeserializer",
>      "value.deserializer":
> "org.apache.kafka.common.serialization.StringDeserializer"
>
> usually there are 2 active groups (group_A and group_B).
>
> Best regards,
> Vincenzo
>
> --
> Vincenzo D'Amore
> email: v.damore@gmail.com
> skype: free.dev
> mobile: +39 349 8513251
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