Mirai1129 commented on code in PR #19914: URL: https://github.com/apache/kafka/pull/19914#discussion_r2204978263
########## clients/clients-integration-tests/src/test/java/org/apache/kafka/clients/consumer/PlaintextConsumerCommitTest.java: ########## @@ -452,6 +452,36 @@ private void testPositionAndCommit(GroupProtocol groupProtocol) throws Interrupt } } + /** + * This is testing when closing the consumer but commit request has already been sent. + * During the closing, the consumer won't find the coordinator anymore. + */ + @ClusterTest + public void testCommitAsyncFailsWhenCoordinatorUnavailableDuringClose() throws InterruptedException { + try (Producer<byte[], byte[]> producer = cluster.producer(Map.of(ProducerConfig.ACKS_CONFIG, "all")); + var consumer = createConsumer(GroupProtocol.CONSUMER, false) + ) { + sendRecords(producer, tp, 3, System.currentTimeMillis()); + consumer.assign(List.of(tp)); + + // Try without looking up the coordinator first + var callback = new CountConsumerCommitCallback(); + + // Close the coordinator before committing because otherwise the commit will fail to find the coordinator. + cluster.brokerIds().forEach(cluster::shutdownBroker); + + consumer.commitAsync(Map.of(tp, new OffsetAndMetadata(1L)), callback); + consumer.commitAsync(Map.of(tp1, new OffsetAndMetadata(1L)), callback); Review Comment: Got it! Thank you @frankvicky ! -- 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