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https://issues.apache.org/jira/browse/KAFKA-6052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16388422#comment-16388422
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Apurva Mehta commented on KAFKA-6052:
-------------------------------------
Great sleuthing [~hachikuji]!
> Windows: Consumers not polling when isolation.level=read_committed
> -------------------------------------------------------------------
>
> Key: KAFKA-6052
> URL: https://issues.apache.org/jira/browse/KAFKA-6052
> Project: Kafka
> Issue Type: Bug
> Components: consumer, producer
> Affects Versions: 0.11.0.0
> Environment: Windows 10. All processes running in embedded mode.
> Reporter: Ansel Zandegran
> Priority: Major
> Labels: windows
> Attachments: Prducer_Consumer.log, Separate_Logs.zip, kafka-logs.zip,
> logFile.log
>
>
> *The same code is running fine in Linux.* I am trying to send a transactional
> record with exactly once schematics. These are my producer, consumer and
> broker setups.
> public void sendWithTTemp(String topic, EHEvent event) {
> Properties props = new Properties();
> props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG,
> "localhost:9092,localhost:9093,localhost:9094");
> // props.put("bootstrap.servers",
> "34.240.248.190:9092,52.50.95.30:9092,52.50.95.30:9092");
> props.put(ProducerConfig.ACKS_CONFIG, "all");
> props.put(ProducerConfig.ENABLE_IDEMPOTENCE_CONFIG, true);
> props.put(ProducerConfig.MAX_IN_FLIGHT_REQUESTS_PER_CONNECTION, "1");
> props.put(ProducerConfig.BATCH_SIZE_CONFIG, 16384);
> props.put(ProducerConfig.LINGER_MS_CONFIG, 1);
> props.put("transactional.id", "TID" + transactionId.incrementAndGet());
> props.put(ProducerConfig.TRANSACTION_TIMEOUT_CONFIG, "5000");
> Producer<String, String> producer =
> new KafkaProducer<>(props,
> new StringSerializer(),
> new StringSerializer());
> Logger.log(this, "Initializing transaction...");
> producer.initTransactions();
> Logger.log(this, "Initializing done.");
> try {
> Logger.log(this, "Begin transaction...");
> producer.beginTransaction();
> Logger.log(this, "Begin transaction done.");
> Logger.log(this, "Sending events...");
> producer.send(new ProducerRecord<>(topic,
> event.getKey().toString(),
> event.getValue().toString()));
> Logger.log(this, "Sending events done.");
> Logger.log(this, "Committing...");
> producer.commitTransaction();
> Logger.log(this, "Committing done.");
> } catch (ProducerFencedException | OutOfOrderSequenceException
> | AuthorizationException e) {
> producer.close();
> e.printStackTrace();
> } catch (KafkaException e) {
> producer.abortTransaction();
> e.printStackTrace();
> }
> producer.close();
> }
> *In Consumer*
> I have set isolation.level=read_committed
> *In 3 Brokers*
> I'm running with the following properties
> Properties props = new Properties();
> props.setProperty("broker.id", "" + i);
> props.setProperty("listeners", "PLAINTEXT://:909" + (2 + i));
> props.setProperty("log.dirs", Configuration.KAFKA_DATA_PATH + "\\B" +
> i);
> props.setProperty("num.partitions", "1");
> props.setProperty("zookeeper.connect", "localhost:2181");
> props.setProperty("zookeeper.connection.timeout.ms", "6000");
> props.setProperty("min.insync.replicas", "2");
> props.setProperty("offsets.topic.replication.factor", "2");
> props.setProperty("offsets.topic.num.partitions", "1");
> props.setProperty("transaction.state.log.num.partitions", "2");
> props.setProperty("transaction.state.log.replication.factor", "2");
> props.setProperty("transaction.state.log.min.isr", "2");
> I am not getting any records in the consumer. When I set
> isolation.level=read_uncommitted, I get the records. I assume that the
> records are not getting commited. What could be the problem? log attached
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