squah-confluent commented on code in PR #15559:
URL: https://github.com/apache/kafka/pull/15559#discussion_r1536046613


##########
core/src/main/scala/kafka/coordinator/group/GroupMetadataManager.scala:
##########
@@ -1365,6 +1365,16 @@ object GroupMetadataManager {
 
   def maybeConvertOffsetCommitError(error: Errors) : Errors = {
     error match {
+      case Errors.NETWORK_EXCEPTION =>
+        // When committing offsets transactionally, we now verify the 
transaction with the
+        // transaction coordinator. Verification can fail with 
`NETWORK_EXCEPTION`, a retriable
+        // error which older clients may not expect and retry correctly. We 
have the option of
+        // translating `NETWORK_EXCEPTION` to either 
`COORDINATOR_LOAD_IN_PROGRESS` or

Review Comment:
   Thanks, I've reworded the comments.



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