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https://issues.apache.org/jira/browse/KAFKA-5876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16194959#comment-16194959
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Matthias J. Sax commented on KAFKA-5876:
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Sure. Please assign the ticket to yourself and create a KIP.
> IQ should throw different exceptions for different errors
> ---------------------------------------------------------
>
> Key: KAFKA-5876
> URL: https://issues.apache.org/jira/browse/KAFKA-5876
> Project: Kafka
> Issue Type: Sub-task
> Components: streams
> Reporter: Matthias J. Sax
> Labels: needs-kip, newbie++
> Fix For: 1.1.0
>
>
> 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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