dengziming commented on code in PR #12075:
URL: https://github.com/apache/kafka/pull/12075#discussion_r854990032
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metadata/src/main/java/org/apache/kafka/controller/ClusterControlManager.java:
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@@ -334,11 +334,7 @@ public ControllerResult<BrokerRegistrationReply>
registerBroker(
setMaxSupportedVersion(feature.maxSupportedVersion()));
}
- if (existing == null) {
Review Comment:
nit: If existing is not used here, we can remove `existing = null` at line
305
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