mumrah commented on code in PR #12596:
URL: https://github.com/apache/kafka/pull/12596#discussion_r967876053


##########
core/src/main/scala/kafka/server/metadata/BrokerMetadataListener.scala:
##########
@@ -325,7 +325,7 @@ class BrokerMetadataListener(
     try {
       _image = _delta.apply()
     } catch {
-      case t: Throwable => metadataLoadingFaultHandler.handleFault(s"Error 
applying metadata delta $delta", t)
+      case t: Throwable => throw 
metadataLoadingFaultHandler.handleFault(s"Error applying metadata delta 
$delta", t)

Review Comment:
   I think `_image` and `_delta` will be unchanged if the apply call throws. 
The publish will raise an exception back to the StartPublishingEvent, 
HandleCommitEvent, or HandleSnapshotEvent. We should not see the `_image` get 
updated (unless of course a future snapshot could apply without error)



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