chia7712 commented on code in PR #20248:
URL: https://github.com/apache/kafka/pull/20248#discussion_r2344066126
##########
server-common/src/main/java/org/apache/kafka/server/common/MetadataVersion.java:
##########
@@ -353,10 +356,24 @@ public static MetadataVersion fromVersionString(String
versionString) {
} else {
key = String.join(".", Arrays.copyOfRange(versionSegments, 0,
numSegments));
}
- return Optional.ofNullable(IBP_VERSIONS.get(key)).orElseThrow(() ->
- new IllegalArgumentException("Version " + versionString + " is not
a valid version. The minimum version is " + MINIMUM_VERSION
- + " and the maximum version is " + latestTesting())
- );
+ String errorMsg = "Unknown metadata.version '" + versionString + "'.
Supported metadata.version are: "
+ + metadataVersionsToString(MetadataVersion.MINIMUM_VERSION,
+ unstableFeatureVersionsEnabled ? MetadataVersion.latestTesting() :
MetadataVersion.latestProduction());
+
+ MetadataVersion metadataVersion = IBP_VERSIONS.get(key);
+ if (metadataVersion == null) {
Review Comment:
Could you please merge those conditions? for instance:
```java
if (metadataVersion == null || (!unstableFeatureVersionsEnabled &&
!metadataVersion.isProduction())) {
throw new IllegalArgumentException(errorMsg);
}
```
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