[jira] [Created] (KAFKA-5463) Controller incorrectly logs rack information when new brokers are added

["Jeff Chao (JIRA)" <ji...@apache.org>]

Jeff Chao created KAFKA-5463:
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             Summary: Controller incorrectly logs rack information when new brokers are added
                 Key: KAFKA-5463
                 URL: https://issues.apache.org/jira/browse/KAFKA-5463
             Project: Kafka
          Issue Type: Bug
          Components: config, controller
    Affects Versions: 0.10.2.1, 0.10.2.0, 0.11.0.0
         Environment: Ubuntu Trusty (14.04.5), Oracle JDK 8
            Reporter: Jeff Chao
            Priority: Minor


When a new broker is added, on an {{UpdateMetadata request}}, rack information won't be present in the state-change log even if configured.

Example:

{{pri=TRACE t=Controller-1-to-broker-0-send-thread at=logger Controller 1 epoch 1 received response {error_code=0} for a request sent to broker <ip>:<port> (id: 0 rack: null)}}

This happens because {{ControllerChannelManager}} always instantiates a {{Node}} using the same constructor whether or not rack-aware is configured. We're happy to contribute a patch since this causes some confusion when running with rack-aware replica placement.



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