Re: Camel Kafka connector can't consume from cluster if one broker is down

[Laurentiu Trica]

Hi all,

This proved not to be a Camel issue, the Kafka cluster had some unknown
issues, after remaking it, the routes were able to also consume from the
topics even when a broker was down.

Regards,
Laurentiu

On Mon, Mar 28, 2022 at 3:11 PM Laurentiu Trica <laurentiu.tr...@moredevs.ro>
wrote:

> Hi,
>
> I'm using Camel 2.54 in Karaf 4.3.6 and producing/consuming messages
> to/from a Kafka cluster with 3 brokers.
> I've tested shutting down a broker to see if the producing/consuming
> continues and found out that it's not the case.
>
> Camel *can still send messages to Kafka* (after setting the retries > 0), *but
> it doesn't consume messages anymore.*
>
> Everything *works again when the broker comes online again*.
>
> Do you know about this behavior? Is there something I'm missing?
>
> Producer config:
> kafka:TOPIC1?brokers=kafka1:29092,kafka2:29092,kafka3:29092&amp;retries=100
>
> Consumer config:
>
> kafka:TOPIC1?brokers=kafka1:29092,kafka2:29092,kafka3:29092&amp;groupId=GROUP1&amp;autoOffsetReset=earliest&amp;maxPollRecords=1
>
> Many thanks!
> Laurentiu
>