Guozhang Wang created KAFKA-5797:
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Summary: StoreChangelogReader should be resilient to broker-side
metadata not available
Key: KAFKA-5797
URL: https://issues.apache.org/jira/browse/KAFKA-5797
Project: Kafka
Issue Type: Bug
Components: streams
Reporter: Guozhang Wang
Assignee: Guozhang Wang
In {{StoreChangelogReader#validatePartitionExists}}, if the metadata for the
required partition is not available, or a timeout exception is thrown, today
the function would directly throw the exception all the way up to user's
exception handlers.
Since we have now extracted the restoration out of the consumer callback, a
better way to handle this, is to only validate the partition during restoring,
and if it does not exist we can just proceed and retry in the next loop
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