[GitHub] [kafka] mjsax commented on a change in pull request #10532: KAFKA-8531: Change default replication factor config

[GitBox <gi...@apache.org>]

mjsax commented on a change in pull request #10532:
URL: https://github.com/apache/kafka/pull/10532#discussion_r613600421



##########
File path: streams/src/main/java/org/apache/kafka/streams/processor/internals/InternalTopicManager.java
##########
@@ -439,13 +440,34 @@ private String getBrokerSideConfigValue(final Config brokerSideTopicConfig,
                         final Throwable cause = executionException.getCause();
                         if (cause instanceof TopicExistsException) {
                             // This topic didn't exist earlier or its leader not known before; just retain it for next round of validation.
-                            log.info("Could not create topic {}. Topic is probably marked for deletion (number of partitions is unknown).\n" +
-                                "Will retry to create this topic in {} ms (to let broker finish async delete operation first).\n" +
-                                "Error message was: {}", topicName, retryBackOffMs, cause.toString());
+                            log.info(
+                                "Could not create topic {}. Topic is probably marked for deletion (number of partitions is unknown).\n"
+                                    +
+                                    "Will retry to create this topic in {} ms (to let broker finish async delete operation first).\n"
+                                    +
+                                    "Error message was: {}", topicName, retryBackOffMs,
+                                cause.toString());
                         } else {
                             log.error("Unexpected error during topic creation for {}.\n" +
                                 "Error message was: {}", topicName, cause.toString());
-                            throw new StreamsException(String.format("Could not create topic %s.", topicName), cause);
+
+                            if (cause instanceof UnsupportedVersionException) {
+                                final String errorMessage = cause.getMessage();
+                                if (errorMessage != null &&
+                                    errorMessage.startsWith("Creating topics with default partitions/replication factor are only supported in CreateTopicRequest version 4+")) {
+
+                                    throw new StreamsException(String.format(

Review comment:
       Don't we log the error in L450 above already?




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