Jason Gustafson created KAFKA-8875:
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             Summary: CreateTopic API should check topic existence before 
replication factor
                 Key: KAFKA-8875
                 URL: https://issues.apache.org/jira/browse/KAFKA-8875
             Project: Kafka
          Issue Type: Bug
            Reporter: Jason Gustafson


If you try to create a topic and the replication factor cannot be satisfied, 
Kafka will return `INVALID_REPLICATION_FACTOR`. If the topic already exists, we 
should probably return `TOPIC_ALREADY_EXISTS` instead. You won't see this 
problem if using TopicCommand because we check existence prior to creating the 
topic.



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