AndrewJSchofield commented on code in PR #18649:
URL: https://github.com/apache/kafka/pull/18649#discussion_r1923396299


##########
group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupMetadataManager.java:
##########
@@ -846,16 +846,15 @@ private ShareGroup getOrMaybeCreateShareGroup(
 
         if (group == null) {
             return new ShareGroup(snapshotRegistry, groupId);
+        } else {
+            if (group.type() == SHARE) {
+                return (ShareGroup) group;
+            } else {
+                // We don't support upgrading/downgrading between protocols at 
the moment so
+                // we throw an exception if a group exists with the wrong type.
+                throw new GroupIdNotFoundException(String.format("Group %s is 
not a share group.", groupId));
+            }
         }
-
-        if (group.type() != SHARE) {
-            // We don't support upgrading/downgrading between protocols at the 
moment so
-            // we throw an exception if a group exists with the wrong type.
-            throw new GroupIdNotFoundException(String.format("Group %s is not 
a share group.",
-                groupId));
-        }
-
-        return (ShareGroup) group;

Review Comment:
   Just to match consumer groups. I prefer having the code structure the same 
shape so it's easier to compare visually. That way, if there's a need to make a 
code change to one, it's easier to validate and apply to the other too.



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