showuon commented on a change in pull request #11788: URL: https://github.com/apache/kafka/pull/11788#discussion_r809621101
########## File path: clients/src/main/java/org/apache/kafka/clients/producer/ProducerConfig.java ########## @@ -461,27 +464,55 @@ private void postProcessAndValidateIdempotenceConfigs(final Map<String, Object> final Map<String, Object> originalConfigs = this.originals(); final String acksStr = parseAcks(this.getString(ACKS_CONFIG)); configs.put(ACKS_CONFIG, acksStr); + final boolean userConfiguredIdempotence = this.originals().containsKey(ENABLE_IDEMPOTENCE_CONFIG); + boolean idempotenceEnabled = this.getBoolean(ENABLE_IDEMPOTENCE_CONFIG); + boolean shouldDisableIdempotence = false; - // For idempotence producers, values for `RETRIES_CONFIG` and `ACKS_CONFIG` need validation - if (idempotenceEnabled()) { + // For idempotence producers, values for `retries` and `acks` and `max.in.flight.requests.per.connection` need validation + if (idempotenceEnabled) { boolean userConfiguredRetries = originalConfigs.containsKey(RETRIES_CONFIG); - if (userConfiguredRetries && this.getInt(RETRIES_CONFIG) == 0) { - throw new ConfigException("Must set " + ProducerConfig.RETRIES_CONFIG + " to non-zero when using the idempotent producer."); + int retries = this.getInt(RETRIES_CONFIG); + if (userConfiguredRetries && retries == 0) { + if (userConfiguredIdempotence) { + throw new ConfigException("Must set " + RETRIES_CONFIG + " to non-zero when using the idempotent producer."); + } + log.warn("`enable.idempotence` will be disabled because {} config is set to 0.", RETRIES_CONFIG, retries); Review comment: I agree we directly throw exception after AK 4.0. -- 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