KAFKA-18674 Document the incompatible changes in parsing --bootstrap-server (#18751)

Reviewers: Chia-Ping Tsai <chia7712@gmail.com>
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Ming-Yen Chung 2025-02-03 13:57:32 +08:00 committed by GitHub
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<li>The default properties files for KRaft mode are no longer stored in the separate <code>config/kraft</code> directory since Zookeeper has been removed. These files have been consolidated with other configuration files.
Now all configuration files are in <code>config</code> directory.
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<li>The valid format for <code>--bootstrap-server</code> only supports comma-separated value, such as <code>host1:port1,host2:port2,...</code>.
Providing other formats, like space-separated bootstrap servers (e.g., <code>host1:port1 host2:port2 host3:port3</code>), will result in an exception, even though this was allowed in Apache Kafka versions prior to 4.0.
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<li><b>Broker</b>