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} -- This message was sent by Atlassian Jira (v8.20.10#820010)