Greg Harris created KAFKA-14901:
-----------------------------------
Summary: Flaky test
ExactlyOnceSourceIntegrationTest.testConnectorReconfiguration
Key: KAFKA-14901
URL: https://issues.apache.org/jira/browse/KAFKA-14901
Project: Kafka
Issue Type: Test
Components: KafkaConnect
Reporter: Greg Harris
The EOS Source test appears to be occasionally failing with the following error:
{noformat}
org.apache.kafka.common.KafkaException: Unexpected error in
InitProducerIdResponse; The server experienced an unexpected error when
processing the request.
at
app//org.apache.kafka.clients.producer.internals.TransactionManager$InitProducerIdHandler.handleResponse(TransactionManager.java:1303)
at
app//org.apache.kafka.clients.producer.internals.TransactionManager$TxnRequestHandler.onComplete(TransactionManager.java:1207)
at
app//org.apache.kafka.clients.ClientResponse.onComplete(ClientResponse.java:154)
at
app//org.apache.kafka.clients.NetworkClient.completeResponses(NetworkClient.java:594)
at
app//org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:586)
at
app//org.apache.kafka.clients.producer.internals.Sender.maybeSendAndPollTransactionalRequest(Sender.java:426)
at
app//org.apache.kafka.clients.producer.internals.Sender.runOnce(Sender.java:316)
at
app//org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:243)
at java.base@11.0.16.1/java.lang.Thread.run(Thread.java:829){noformat}
which appears to be triggered by the following failure inside the broker:
{noformat}
[2023-04-12 14:01:38,931] ERROR [KafkaApi-0] Unexpected error handling request
RequestHeader(apiKey=INIT_PRODUCER_ID, apiVersion=4,
clientId=simulated-task-producer-exactlyOnceQuestionMark-1, correlationId=5,
headerVersion=2) --
InitProducerIdRequestData(transactionalId='exactly-once-source-integration-test-exactlyOnceQuestionMark-1',
transactionTimeoutMs=60000, producerId=-1, producerEpoch=-1) with context
RequestContext(header=RequestHeader(apiKey=INIT_PRODUCER_ID, apiVersion=4,
clientId=simulated-task-producer-exactlyOnceQuestionMark-1, correlationId=5,
headerVersion=2), connectionId='127.0.0.1:54213-127.0.0.1:54367-46',
clientAddress=/127.0.0.1, principal=User:ANONYMOUS,
listenerName=ListenerName(PLAINTEXT), securityProtocol=PLAINTEXT,
clientInformation=ClientInformation(softwareName=apache-kafka-java,
softwareVersion=3.5.0-SNAPSHOT), fromPrivilegedListener=true,
principalSerde=Optional[org.apache.kafka.common.security.authenticator.DefaultKafkaPrincipalBuilder@615924cd])
(kafka.server.KafkaApis:76)
java.lang.IllegalStateException: Preparing transaction state transition to
Empty while it already a pending state Ongoing
at
kafka.coordinator.transaction.TransactionMetadata.prepareTransitionTo(TransactionMetadata.scala:380)
at
kafka.coordinator.transaction.TransactionMetadata.prepareIncrementProducerEpoch(TransactionMetadata.scala:311)
at
kafka.coordinator.transaction.TransactionCoordinator.prepareInitProducerIdTransit(TransactionCoordinator.scala:240)
at
kafka.coordinator.transaction.TransactionCoordinator.$anonfun$handleInitProducerId$3(TransactionCoordinator.scala:151)
at
kafka.coordinator.transaction.TransactionMetadata.inLock(TransactionMetadata.scala:242)
at
kafka.coordinator.transaction.TransactionCoordinator.$anonfun$handleInitProducerId$2(TransactionCoordinator.scala:150)
at scala.util.Either.flatMap(Either.scala:352)
at
kafka.coordinator.transaction.TransactionCoordinator.handleInitProducerId(TransactionCoordinator.scala:145)
at kafka.server.KafkaApis.handleInitProducerIdRequest(KafkaApis.scala:2236)
at kafka.server.KafkaApis.handle(KafkaApis.scala:202)
at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:76)
at java.base/java.lang.Thread.run(Thread.java:829{noformat}
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