frankvicky commented on code in PR #19914:
URL: https://github.com/apache/kafka/pull/19914#discussion_r2213226100
##########
clients/clients-integration-tests/src/test/java/org/apache/kafka/clients/consumer/PlaintextConsumerCommitTest.java:
##########
@@ -452,6 +453,40 @@ 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();
+ var consumer = createConsumer(GroupProtocol.CONSUMER, false)
+ ) {
+ sendRecords(producer, tp, 3, System.currentTimeMillis());
+ consumer.assign(List.of(tp));
+
+ var callback = new CountConsumerCommitCallback();
+
+ // Close the coordinator before committing because otherwise the
commit will fail to find the coordinator.
+ cluster.brokerIds().forEach(cluster::shutdownBroker);
+
+ TestUtils.waitForCondition(() -> cluster.aliveBrokers().isEmpty(),
"All brokers should be shut down");
+
+ consumer.poll(Duration.ofMillis(500));
+ consumer.commitAsync(Map.of(tp, new OffsetAndMetadata(1L)),
callback);
+
+ long startTime = System.currentTimeMillis();
+ consumer.close(CloseOptions.timeout(Duration.ofMillis(500)));
Review Comment:
It doesn't add much value to this test case.
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