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https://issues.apache.org/jira/browse/KAFKA-6684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16460261#comment-16460261
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ASF GitHub Bot commented on KAFKA-6684:
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bbejeck opened a new pull request #4950: KAFKA-6684: Call shutdown on all
GlobalStreamThread after all StreamThreads have stopped
URL: https://github.com/apache/kafka/pull/4950
Moved the shutdown of `GlobalStreamThread` to after all `StreamThread`
instances have stopped.
There can be a race condition where shut down is called on a `StreamThread`
then shut down is called on a GlobalStreamThread, but if StreamThread is
delayed in shutting down, and the GlobalStreamThread can shutdown first.
If the StreamThread tries to access a GlobalStateStore before closing the
user can get an exception stating "..Store xxx is currently closed "
Tested by running all current streams tests.
### Committer Checklist (excluded from commit message)
- [ ] Verify design and implementation
- [ ] Verify test coverage and CI build status
- [ ] Verify documentation (including upgrade notes)
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> Support casting values with bytes schema to string
> ---------------------------------------------------
>
> Key: KAFKA-6684
> URL: https://issues.apache.org/jira/browse/KAFKA-6684
> Project: Kafka
> Issue Type: Improvement
> Components: KafkaConnect
> Reporter: Amit Sela
> Priority: Critical
> Fix For: 2.0.0
>
>
> Casting from BYTES is not supported, which means that casting LogicalTypes is
> not supported.
> This proposes to allow casting anything to a string, kind of like Java's
> {{toString()}}, such that if the object is actually a LogicalType it can be
> "serialized" as string instead of bytes+schema.
>
> {noformat}
> Examples:
> BigDecimal will cast to the string representation of the number.
> Timestamp will cast to the string representation of the timestamp, or maybe
> UTC yyyymmddTHH:MM:SS.f format?
> {noformat}
>
> Worst case, bytes are "casted" to whatever the {{toString()}} returns - its
> up to the user to know the data.
> This would help when using a JSON sink, or anything that's not Avro.
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