m1a2st commented on code in PR #20334: URL: https://github.com/apache/kafka/pull/20334#discussion_r2295183095
########## connect/transforms/src/main/java/org/apache/kafka/connect/transforms/HeaderFrom.java: ########## @@ -61,11 +61,13 @@ public abstract class HeaderFrom<R extends ConnectRecord<R>> implements Transfor public static final ConfigDef CONFIG_DEF = new ConfigDef() .define(FIELDS_FIELD, ConfigDef.Type.LIST, - NO_DEFAULT_VALUE, new NonEmptyListValidator(), + NO_DEFAULT_VALUE, + new NonEmptyListValidator(), ConfigDef.Importance.HIGH, "Field names in the record whose values are to be copied or moved to headers.") .define(HEADERS_FIELD, ConfigDef.Type.LIST, - NO_DEFAULT_VALUE, new NonEmptyListValidator(), + NO_DEFAULT_VALUE, + ConfigDef.ValidList.anyNonDuplicateValues(false, false), Review Comment: FYI: The mail thread https://lists.apache.org/thread/0vojtzmbq7dykhyomfppnjcrzhfvz8yw -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org