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From "Guozhang Wang (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (KAFKA-6659) Improve error message if state store is not found
Date Mon, 19 Mar 2018 15:50:00 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-6659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Guozhang Wang reassigned KAFKA-6659:
------------------------------------

    Assignee: Stuart Perks

> Improve error message if state store is not found
> -------------------------------------------------
>
>                 Key: KAFKA-6659
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6659
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>            Reporter: Matthias J. Sax
>            Assignee: Stuart Perks
>            Priority: Trivial
>              Labels: beginner, easy-fix, newbie
>
> If a processor tries to access a store but the store is not connected to the processor,
Streams fails with
> {quote}Caused by: org.apache.kafka.streams.errors.TopologyBuilderException: Invalid topology
building: Processor KSTREAM-TRANSFORM-0000000036 has no access to StateStore questions-awaiting-answers-store
> {quote}
> We should improve this error message and give a hint to the user how to fix the issues.



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