Jeff Kim created KAFKA-15207:
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Summary: ProducerIdManager#generateProducerId() should return
different error code for newer clients
Key: KAFKA-15207
URL: https://issues.apache.org/jira/browse/KAFKA-15207
Project: Kafka
Issue Type: Task
Reporter: Jeff Kim
[https://github.com/apache/kafka/pull/13267] made changes to ProducerIdManager
that does not block request handler threads while waiting for a new producer id
block. Instead of blocking, we return COORDINATOR_LOAD_IN_PROGRESS.
We return this rather than REQUEST_TIMED_OUT since older clients treat the
error as fatal when it should be retriable like COORDINATOR_LOAD_IN_PROGRESS.
For newer clients, we should return an error that is more aligned with what the
client experiences.
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