[jira] [Created] (KAFKA-12381) Incompatible change in verifiable_producer.log in 2.8

["Colin McCabe (Jira)" <ji...@apache.org>]

Colin McCabe created KAFKA-12381:
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             Summary: Incompatible change in verifiable_producer.log in 2.8
                 Key: KAFKA-12381
                 URL: https://issues.apache.org/jira/browse/KAFKA-12381
             Project: Kafka
          Issue Type: Bug
            Reporter: Colin McCabe


In test_verifiable_producer.py , we used to see this error message in verifiable_producer.log when a topic couldn't be created:

WARN [Producer clientId=producer-1] Error while fetching metadata with correlation id 1 : {test_topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient)
The test does a grep LEADER_NOT_AVAILABLE on the log in this case, and it used to pass.

Now we are instead seeing this in the log file:

WARN [Producer clientId=producer-1] Error while fetching metadata with correlation id 1 : {test_topic=INVALID_REPLICATION_FACTOR} (org.apache.kafka.clients.NetworkClient)
And of course now the test fails.

The INVALID_REPLICATION_FACTOR is coming from the new auto topic creation manager.

It is a simple matter to make the test pass -- I have confirmed that it passes if we grep for INVALID_REPLICATION_FACTOR in the log file instead of LEADER_NOT_AVAILABLE.

I think we just need to decide if this change in behavior is acceptable or not.



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