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Note that these configuration properties will be forwarded to the connector via its initialization methods (e.g. start or reconfigure). Also note that the Kafka topic-level configurations do vary by Kafka version, so source connectors should specify only those topic settings that the Kafka broker knows about. Topic settings rejected by the Kafka broker will result in the connector failing with an exception, to avoid silently ignoring invalid topic creation properties. 

If the connector fails to create a topic for any reason, the task that attempts to create that topic will be stopped and will have to be manually restarted once the issue that resulted in it failure is resolved. Given that topic creation is supported during runtime, such failures are expected to happen any time during the lifetime of a connector and not only during its initial deployment. 

The configuration properties that accept regular expressions accept regex that are defined as Java regex. 

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