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https://issues.apache.org/jira/browse/GOBBLIN-2177?focusedWorklogId=947093&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-947093
 ]

ASF GitHub Bot logged work on GOBBLIN-2177:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 06/Dec/24 18:05
            Start Date: 06/Dec/24 18:05
    Worklog Time Spent: 10m 
      Work Description: abhishekmjain commented on code in PR #4080:
URL: https://github.com/apache/gobblin/pull/4080#discussion_r1873798459


##########
gobblin-modules/gobblin-kafka-09/src/test/java/org/apache/gobblin/runtime/HighLevelConsumerTest.java:
##########
@@ -176,6 +177,33 @@ public void testCalculateProduceToConsumeLag() {
     Assert.assertTrue(consumer.calcMillisSince(produceTimestamp).equals(234L));
   }
 
+  @Test
+  public void testQueueProcessorRuntimeExceptionEncountered() throws Exception 
{
+    Properties consumerProps = new Properties();
+    consumerProps.setProperty(ConfigurationKeys.KAFKA_BROKERS, _kafkaBrokers);
+    
consumerProps.setProperty(Kafka09ConsumerClient.GOBBLIN_CONFIG_VALUE_DESERIALIZER_CLASS_KEY,
 "org.apache.kafka.common.serialization.ByteArrayDeserializer");
+    consumerProps.setProperty(SOURCE_KAFKA_CONSUMERCONFIG_KEY_WITH_DOT + 
KAFKA_AUTO_OFFSET_RESET_KEY, "earliest");
+    //Generate a brand new consumer group id to ensure there are no previously 
committed offsets for this group id
+    String consumerGroupId = Joiner.on("-").join(TOPIC, "auto", 
System.currentTimeMillis());
+    consumerProps.setProperty(SOURCE_KAFKA_CONSUMERCONFIG_KEY_WITH_DOT + 
HighLevelConsumer.GROUP_ID_KEY, consumerGroupId);
+    consumerProps.setProperty(HighLevelConsumer.ENABLE_AUTO_COMMIT_KEY, 
"true");
+
+    // Create an instance of MockedHighLevelConsumer using an anonymous class
+    MockedHighLevelConsumer consumer = new MockedHighLevelConsumer(TOPIC, 
ConfigUtils.propertiesToConfig(consumerProps), NUM_PARTITIONS) {
+      @Override
+      public void processMessage(DecodeableKafkaRecord<byte[], byte[]> 
message) {
+        super.processMessage(message);
+        // Override the method to throw a custom exception
+        throw new RuntimeException("Simulated exception in processMessage");
+      }
+    };
+    consumer.startAsync().awaitRunning();
+
+    // assert all NUM_MSGS messages were processed.
+    consumer.awaitExactlyNMessages(NUM_MSGS, 10000);

Review Comment:
   Updated the PR to fix it only when `enable.auto.commit` is `true`.





Issue Time Tracking
-------------------

    Worklog Id:     (was: 947093)
    Time Spent: 2h 20m  (was: 2h 10m)

> Avoid stopping Kafka HighLevelConsumer - QueueProcessor on 
> non-InterruptedExceptions
> ------------------------------------------------------------------------------------
>
>                 Key: GOBBLIN-2177
>                 URL: https://issues.apache.org/jira/browse/GOBBLIN-2177
>             Project: Apache Gobblin
>          Issue Type: Bug
>            Reporter: Abhishek Jain
>            Priority: Major
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
> The QueueProcessor within HighLevelConsumer contains an infinite while loop 
> that is enclosed in a try-catch block. When any exception is encountered, 
> this loop breaks, which halts the processing of any consumed messages until 
> the service is restarted.
> We should not break this infinite loop on all exceptions; rather, we should 
> break it only on InterruptedException, which truly means the QueueProcessor 
> should stop processing.



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