kirktrue commented on code in PR #16899: URL: https://github.com/apache/kafka/pull/16899#discussion_r1742655561
########## clients/src/main/java/org/apache/kafka/clients/consumer/ConsumerConfig.java: ########## @@ -727,6 +731,20 @@ private void checkGroupRemoteAssignor() { } } + @SuppressWarnings("unchecked") + private void checkPartitionAssigmentStrategy() { + List<Object> assignmentStrategies = (List<Object>) get(PARTITION_ASSIGNMENT_STRATEGY_CONFIG); + if (getString(GROUP_PROTOCOL_CONFIG).equalsIgnoreCase(GroupProtocol.CONSUMER.name())) { + if (PARTITION_ASSIGNOR_DEFAULT_VALUE.size() != assignmentStrategies.size() || + !PARTITION_ASSIGNOR_DEFAULT_VALUE.stream() + .allMatch(clz -> assignmentStrategies.stream() + .anyMatch(obj -> clz.equals(obj) || clz.getName().equals(obj))) + ) { + throw new ConfigException(PARTITION_ASSIGNMENT_STRATEGY_CONFIG + " cannot be set when " + GROUP_PROTOCOL_CONFIG + "=" + GroupProtocol.CONSUMER.name()); + } + } + } + Review Comment: I think the core check could be much simpler 🤔 I used the `originals()` method to check the values the user provided before any defaults were applied. ```suggestion private void checkPartitionAssignmentStrategy() { if (!getString(GROUP_PROTOCOL_CONFIG).equalsIgnoreCase(GroupProtocol.CONSUMER.name())) return; Object config = originals().get(PARTITION_ASSIGNMENT_STRATEGY_CONFIG); if (config != null && !Utils.isBlank(config.toString())) { throw new ConfigException(PARTITION_ASSIGNMENT_STRATEGY_CONFIG + " cannot be set when " + GROUP_PROTOCOL_CONFIG + "=" + GroupProtocol.CONSUMER.name()); } } ``` Is there anything missing in the above? -- 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