Bob Barrett created KAFKA-9749:
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Summary: TransactionMarkerRequestCompletionHandler should treat
storage exceptions as retriable
Key: KAFKA-9749
URL: https://issues.apache.org/jira/browse/KAFKA-9749
Project: Kafka
Issue Type: Bug
Reporter: Bob Barrett
If `TransactionMarkerRequestCompletionHandler` handles a
`KafkaStorageException`, it throws an IllegalStateException rather than
retrying. This leaves the corresponding transactional ID in state PendingAbort,
where it gets stuck, because any further EndTxn or InitProducerId call will
fail with a CONCURRENT_TRANSACTIONS error. We should retry these errors when
writing transaction markers.
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