rondagostino commented on pull request #10199:
URL: https://github.com/apache/kafka/pull/10199#issuecomment-785265318
Hi @abbccdda. We used to see this error message in
`verifiable_producer.log` when `security_protocol='PLAINTEXT',
interbroker_security_protocol='SSL'`:
```
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 auto topic creation
manager as I described above.
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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