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https://issues.apache.org/jira/browse/KAFKA-10334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17445412#comment-17445412
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Luis Araujo commented on KAFKA-10334:
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[~ChrisEgerton] I didn't find that issue when creating this one, but totally
agree with you.
I tested both with 2.1.0 and 2.3.0 Kafka client version and the issue happens.
Not sure if you want me to add the detail in the linked issue about the *.get*
function call on the Future which makes the exception to be thrown and no more
silent data loss to happen.
> Transactions not working properly
> ---------------------------------
>
> Key: KAFKA-10334
> URL: https://issues.apache.org/jira/browse/KAFKA-10334
> Project: Kafka
> Issue Type: Bug
> Components: clients, producer
> Affects Versions: 2.1.0, 2.3.0
> Reporter: Luis Araujo
> Priority: Major
>
> I'm using transactions provided by Kafka Producer API in a Scala project
> built with SBT. The dependency used in the project is:
> {code:java}
> "org.apache.kafka" % "kafka-clients" % "2.1.0" {code}
> I followed the documentation and I was expecting that transactions fail when
> I call *.commitTransaction* if some problem is raised when sending a message
> like it's described in the
> [documentation|https://kafka.apache.org/10/javadoc/org/apache/kafka/clients/producer/KafkaProducer.html#send-org.apache.kafka.clients.producer.ProducerRecord-org.apache.kafka.clients.producer.Callback-].
> Unfortunately, when testing this behaviour using a message larger than the
> size accepted by the Kafka broker/cluster, the transactions are not working
> properly.
> I tested with a 3 Kafka broker cluster with 1MB message max size (default
> value):
> - when the message has 1MB, the transaction is aborted and an exception is
> raised when calling *commitTransaction()*
> - when the message is bigger than 1MB, the transaction is completed
> successfully *without* the message being written. No exception is thrown.
> As an example, this means that when I produce 9 messages with 1 KB and 1
> message with 1.1MB in the same transaction, the transaction is completed but
> only 9 messages are written to the Kafka cluster.
> I tested this behaviour with Kafka version 2.1.0 and 2.3.0 in both Kafka
> cluster and Kafka Producer API.
> The configs that I'm using to create the KafkaProducer in order to use
> transactions:
> {code:java}
> new Properties() {
> {
> put(BOOTSTRAP_SERVERS_CONFIG,
> "localhost:29092,localhost:29093,localhost:29094")
> put(ACKS_CONFIG, "-1")
> put(MAX_IN_FLIGHT_REQUESTS_PER_CONNECTION, "1")
> put(KEY_SERIALIZER_CLASS_CONFIG,
> Class.forName(classOf[StringSerializer].getName))
> put(VALUE_SERIALIZER_CLASS_CONFIG,
> Class.forName(classOf[ByteArraySerializer].getName))
> put(CLIENT_ID_CONFIG, "app")
> put(TRANSACTIONAL_ID_CONFIG, "app")
> put(ENABLE_IDEMPOTENCE_CONFIG, "true")
> }
> }
> {code}
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