[GitHub] [kafka] philipnee commented on a diff in pull request #12149: KAFKA-13668: Retry upon missing initProducerId due to authorization error

["philipnee (via GitHub)" <gi...@apache.org>]

philipnee commented on code in PR #12149:
URL: https://github.com/apache/kafka/pull/12149#discussion_r1167110290


##########
clients/src/test/java/org/apache/kafka/clients/producer/KafkaProducerTest.java:
##########
@@ -1237,6 +1238,34 @@ public void testInitTransactionWhileThrottled() {
         }
     }
 
+    @Test
+    public void testClusterAuthorizationFailure() throws Exception {
+        int maxBlockMs = 500;
+
+        Map<String, Object> configs = new HashMap<>();
+        configs.put(ProducerConfig.MAX_BLOCK_MS_CONFIG, maxBlockMs);
+        configs.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9000");
+        configs.put(ProducerConfig.ENABLE_IDEMPOTENCE_CONFIG, true);
+        configs.put(ProducerConfig.TRANSACTIONAL_ID_CONFIG, "some-txn");
+
+        Time time = new MockTime(1);
+        MetadataResponse initialUpdateResponse = RequestTestUtils.metadataUpdateWith(1, singletonMap("topic", 1));
+        ProducerMetadata metadata = newMetadata(500, Long.MAX_VALUE);
+
+        MockClient client = new MockClient(time, metadata);
+        client.updateMetadata(initialUpdateResponse);
+
+        client.prepareResponse(FindCoordinatorResponse.prepareResponse(Errors.NONE, "some-txn", NODE));
+        client.prepareResponse(initProducerIdResponse(1L, (short) 5, Errors.CLUSTER_AUTHORIZATION_FAILED));
+        Producer<String, String> producer = kafkaProducer(configs, new StringSerializer(),
+                new StringSerializer(), metadata, client, null, time);
+        assertThrows(ClusterAuthorizationException.class, producer::initTransactions);
+
+        // retry initTransactions after the ClusterAuthorizationException not being thrown
+        client.prepareResponse(initProducerIdResponse(1L, (short) 5, Errors.NONE));
+        TestUtils.retryOnExceptionWithTimeout(1000, 100, producer::initTransactions);

Review Comment:
   right, it retries initTransaction until successful or timeout.



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