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https://issues.apache.org/jira/browse/KAFKA-5876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16344789#comment-16344789
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Pegerto Fernandez commented on KAFKA-5876:
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Hi,
In addition to the original comment.
When the local store is not created, or is not yet assign to a task.
InvalidStateStoreException its ambiguous and do not provide information about a
not existing vs not available datastore.
Regards
> IQ should throw different exceptions for different errors
> ---------------------------------------------------------
>
> Key: KAFKA-5876
> URL: https://issues.apache.org/jira/browse/KAFKA-5876
> Project: Kafka
> Issue Type: Task
> Components: streams
> Reporter: Matthias J. Sax
> Assignee: Vito Jeng
> Priority: Major
> Labels: needs-kip, newbie++
> Fix For: 1.2.0
>
>
> Currently, IQ does only throws {{InvalidStateStoreException}} for all errors
> that occur. However, we have different types of errors and should throw
> different exceptions for those types.
> For example, if a store was migrated it must be rediscovered while if a store
> cannot be queried yet, because it is still re-created after a rebalance, the
> user just needs to wait until store recreation is finished.
> There might be other examples, too.
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