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Posted to dev@kafka.apache.org by "Guozhang Wang (JIRA)" <ji...@apache.org> on 2016/04/12 02:28:25 UTC

[jira] [Updated] (KAFKA-3544) Missing topics on startup

     [ https://issues.apache.org/jira/browse/KAFKA-3544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guozhang Wang updated KAFKA-3544:
---------------------------------
    Labels: semantics  (was: )

> Missing topics on startup
> -------------------------
>
>                 Key: KAFKA-3544
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3544
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>    Affects Versions: 0.10.0.0
>            Reporter: Greg Fodor
>            Assignee: Guozhang Wang
>              Labels: semantics
>
> When running a relatively complex job with multiple tasks and state stores, on the first run I get errors due to some of the intermediate topics not existing. Subsequent runs work OK. My assumption is streams may be creating topics lazily, so if downstream tasks are initializing before their parents have had a chance to create their necessary topics then the children will attempt to start consuming from topics that do not exist yet.



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