chia7712 commented on code in PR #20522:
URL: https://github.com/apache/kafka/pull/20522#discussion_r2342470917


##########
metadata/src/main/java/org/apache/kafka/metadata/publisher/FeaturesPublisher.java:
##########
@@ -54,15 +58,20 @@ public void onMetadataUpdate(
         MetadataImage newImage,
         LoaderManifest manifest
     ) {
-        if (delta.featuresDelta() != null) {
-            FinalizedFeatures newFinalizedFeatures = new 
FinalizedFeatures(newImage.features().metadataVersionOrThrow(),
-                    newImage.features().finalizedVersions(),
-                    newImage.provenance().lastContainedOffset()
-            );
-            if (!newFinalizedFeatures.equals(finalizedFeatures)) {
-                log.info("Loaded new metadata {}.", newFinalizedFeatures);
-                finalizedFeatures = newFinalizedFeatures;
+        try {
+            if (delta.featuresDelta() != null) {
+                FinalizedFeatures newFinalizedFeatures = new 
FinalizedFeatures(newImage.features().metadataVersionOrThrow(),
+                        newImage.features().finalizedVersions(),
+                        newImage.provenance().lastContainedOffset()
+                );
+                if (!newFinalizedFeatures.equals(finalizedFeatures)) {
+                    log.info("Loaded new metadata {}.", newFinalizedFeatures);
+                    finalizedFeatures = newFinalizedFeatures;
+                }
             }
+        } catch (Throwable t) {
+            String deltaName = "MetadataDelta up to " + 
newImage.highestOffsetAndEpoch().offset();
+            faultHandler.handleFault("Uncaught exception while publishing 
features changes from " + deltaName, t);

Review Comment:
   we could concat the strings directly, right? for example:
   ```java
               faultHandler.handleFault("Uncaught exception while publishing 
SCRAM changes from MetadataDelta up to "
                   + newImage.highestOffsetAndEpoch().offset(), t);
   ```



##########
metadata/src/main/java/org/apache/kafka/metadata/publisher/ScramPublisher.java:
##########
@@ -63,6 +58,7 @@ public void onMetadataUpdate(MetadataDelta delta, 
MetadataImage newImage) {
                 });
             }
         } catch (Throwable t) {
+            String deltaName = "MetadataDelta up to " + 
newImage.highestOffsetAndEpoch().offset();

Review Comment:
   ditto



##########
metadata/src/main/java/org/apache/kafka/metadata/publisher/FeaturesPublisher.java:
##########
@@ -54,15 +58,20 @@ public void onMetadataUpdate(
         MetadataImage newImage,
         LoaderManifest manifest
     ) {
-        if (delta.featuresDelta() != null) {
-            FinalizedFeatures newFinalizedFeatures = new 
FinalizedFeatures(newImage.features().metadataVersionOrThrow(),
-                    newImage.features().finalizedVersions(),
-                    newImage.provenance().lastContainedOffset()
-            );
-            if (!newFinalizedFeatures.equals(finalizedFeatures)) {
-                log.info("Loaded new metadata {}.", newFinalizedFeatures);
-                finalizedFeatures = newFinalizedFeatures;
+        try {
+            if (delta.featuresDelta() != null) {
+                FinalizedFeatures newFinalizedFeatures = new 
FinalizedFeatures(newImage.features().metadataVersionOrThrow(),
+                        newImage.features().finalizedVersions(),

Review Comment:
   could you please remove the extra indent?



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