cmccabe commented on code in PR #19416:
URL: https://github.com/apache/kafka/pull/19416#discussion_r2051552703
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metadata/src/main/java/org/apache/kafka/controller/FeatureControlManager.java:
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@@ -225,6 +272,32 @@ private ApiError updateFeature(
if (featureName.equals(MetadataVersion.FEATURE_NAME)) {
// Perform additional checks if we're updating metadata.version
return updateMetadataVersion(newVersion,
upgradeType.equals(FeatureUpdate.UpgradeType.UNSAFE_DOWNGRADE), records::add);
+ } else if (featureName.equals(KRaftVersion.FEATURE_NAME)) {
+ if (upgradeType.equals(FeatureUpdate.UpgradeType.UPGRADE)) {
+ try {
+ kraftVersionAccessor.upgradeKRaftVersion(
+ currentClaimedEpoch,
+ KRaftVersion.fromFeatureLevel(newVersion),
Review Comment:
you need to handle the `RuntimeException` that will be thrown if
`newVersion` cannot be turned into a `KRaftVersion` object. Otherwise you will
cause a controller failover here potentially.
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