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https://issues.apache.org/jira/browse/KAFKA-7015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16512266#comment-16512266
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ASF GitHub Bot commented on KAFKA-7015:
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jadireddi opened a new pull request #5224: KAFKA-7015: Fixed
RecordCollectorImpl exception messages with more human readable context info.
URL: https://github.com/apache/kafka/pull/5224
https://issues.apache.org/jira/browse/KAFKA-7015
Fixed `RecordCollectorImpl` class to enhance exceptions messages to human
readable format for Key/Value pair.
### 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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> Enhance RecordCollectorImpl exceptions with more context information
> ---------------------------------------------------------------------
>
> Key: KAFKA-7015
> URL: https://issues.apache.org/jira/browse/KAFKA-7015
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Affects Versions: 1.1.0
> Reporter: Matthias J. Sax
> Assignee: Jagadesh Adireddi
> Priority: Minor
>
> In KIP-182 we refactored all stores to by plain {{Bytes/byte[]}} stores and
> only have concrete key/value types on outer layers/wrappers of the stores.
> For this reason, the most inner {{RocksDBStore}} cannot provide useful error
> messages anymore if a put/get/delete operation fails as it only handles plain
> bytes.
> In addition, the corresponding calls to record changelog records to record
> collectors will also be sending byte arrays only, and hence when there is an
> error happening, the record collector can only display the key but not the
> value since it is all bytes:
> {code:java}
> [ERROR] org.apache.kafka.streams.processor.internals.RecordCollectorImpl -
> task [2_2] Error sending record (key {"eventId":XXX,"version":123}
> value [<byte array>] timestamp YYY) to topic TTT
> due to ...
> {code}
> The store exceptions got fixed via KAFKA-6538.
> This Jira is to track the fix for RecordCollectorImpl.
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