[jira] [Assigned] (KAFKA-13504) Retry connect internal topics' creation in case of InvalidReplicationFactorException

["Andras Katona (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-13504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andras Katona reassigned KAFKA-13504:
-------------------------------------

    Assignee: Andras Katona  (was: Viktor Somogyi-Vass)

> Retry connect internal topics' creation in case of InvalidReplicationFactorException
> ------------------------------------------------------------------------------------
>
>                 Key: KAFKA-13504
>                 URL: https://issues.apache.org/jira/browse/KAFKA-13504
>             Project: Kafka
>          Issue Type: Improvement
>          Components: KafkaConnect
>            Reporter: Andras Katona
>            Assignee: Andras Katona
>            Priority: Major
>              Labels: cloudera
>
> In case the Kafka Broker cluster and the Kafka Connect cluster is started together and Connect would want to create its topics, there's a high chance to fail the creation with InvalidReplicationFactorException.
> {noformat}
> ERROR org.apache.kafka.connect.runtime.distributed.DistributedHerder [Worker clientId=connect-1, groupId=connect-cluster] Uncaught exception in herder work thread, exiting: 
> org.apache.kafka.connect.errors.ConnectException: Error while attempting to create/find topic(s) 'connect-offsets'
> ...
> Caused by: java.util.concurrent.ExecutionException: org.apache.kafka.common.errors.InvalidReplicationFactorException: Replication factor: 3 larger than available brokers: 2.
> {noformat}
> Introducing a retry logic here would make Connect a bit more robust.
> New configurations:
> * offset.storage.topic.create.retries
> * offset.storage.topic.create.retry.backoff.ms
> * config.storage.topic.create.retries
> * config.storage.topic.create.retry.backoff.ms
> * status.storage.topic.create.retries
> * status.storage.topic.create.retry.backoff.ms



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