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Hi community, I've built both the publishing and subscribing apps as described in the Business Events learning path. However I got the error 'failed to send due to error Failed to construct kafka producer.' Somebody knows how to fix this?   Both both apps are deployed in the sandbox and indeed nothing is received at the subscriber app. The sender app shows the following logs: 2:37:34 PMAPPINFOOrderManagement: BE_OrderStatusUpdateService. dd1d4cf90a0044a6a429fcfea1a57fd9 OrderCancelled is created at 10/19/23, 2:37 PM 2:37:34 PMAPP[TaskQueueDispatcher-BusinessEvents.Producer_Queue-1] INFO org.apache.kafka.clients.producer.ProducerConfig - ProducerConfig values: 2:37:34 PMAPPacks = -1 2:37:34 PMAPPauto.include.jmx.reporter = true 2:37:34 PMAPPbatch.size = 16384 2:37:34 PMAPPbootstrap.servers = [b-2.mendix-free-apps-prod.9yomzr.c5.kafka.eu-west-1.amazonaws.com:9096, b-1.mendix-free-apps-prod.9yomzr.c5.kafka.eu-west-1.amazonaws.com:9096, b-3.mendix-free-apps-prod.9yomzr.c5.kafka.eu-west-1.amazonaws.com:9096] 2:37:34 PMAPPbuffer.memory = 33554432 2:37:34 PMAPPclient.dns.lookup = use_all_dns_ips 2:37:34 PMAPPclient.id = producer-3 2:37:34 PMAPPcompression.type = none 2:37:34 PMAPPconnections.max.idle.ms = 540000 2:37:34 PMAPPdelivery.timeout.ms = 120000 2:37:34 PMAPPenable.idempotence = true 2:37:34 PMAPPinterceptor.classes = [] 2:37:34 PMAPPkey.serializer = class org.apache.kafka.common.serialization.StringSerializer 2:37:34 PMAPPlinger.ms = 0 2:37:34 PMAPPmax.block.ms = 60000 2:37:34 PMAPPmax.in.flight.requests.per.connection = 5 2:37:34 PMAPPmax.request.size = 1048576 2:37:34 PMAPPmetadata.max.age.ms = 300000 2:37:34 PMAPPmetadata.max.idle.ms = 300000 2:37:34 PMAPPmetric.reporters = [] 2:37:34 PMAPPmetrics.num.samples = 2 2:37:34 PMAPPmetrics.recording.level = INFO 2:37:34 PMAPPmetrics.sample.window.ms = 30000 2:37:34 PMAPPpartitioner.adaptive.partitioning.enable = true 2:37:34 PMAPPpartitioner.availability.timeout.ms = 0 2:37:34 PMAPPpartitioner.class = null 2:37:34 PMAPPpartitioner.ignore.keys = false 2:37:34 PMAPPreceive.buffer.bytes = 32768 2:37:34 PMAPPreconnect.backoff.max.ms = 1000 2:37:34 PMAPPreconnect.backoff.ms = 50 2:37:34 PMAPPrequest.timeout.ms = 30000 2:37:34 PMAPPretries = 2147483647 2:37:34 PMAPPretry.backoff.ms = 100 2:37:34 PMAPPsasl.client.callback.handler.class = null 2:37:34 PMAPPsasl.jaas.config = [hidden] 2:37:34 PMAPPsasl.kerberos.kinit.cmd = /usr/bin/kinit 2:37:34 PMAPPsasl.kerberos.min.time.before.relogin = 60000 2:37:34 PMAPPsasl.kerberos.service.name = null 2:37:34 PMAPPsasl.kerberos.ticket.renew.jitter = 0.05 2:37:34 PMAPPsasl.kerberos.ticket.renew.window.factor = 0.8 2:37:34 PMAPPsasl.login.callback.handler.class = null 2:37:34 PMAPPsasl.login.class = null 2:37:34 PMAPPsasl.login.connect.timeout.ms = null 2:37:34 PMAPPsasl.login.read.timeout.ms = null 2:37:34 PMAPPsasl.login.refresh.buffer.seconds = 300 2:37:34 PMAPPsasl.login.refresh.min.period.seconds = 60 2:37:34 PMAPPsasl.login.refresh.window.factor = 0.8 2:37:34 PMAPPsasl.login.refresh.window.jitter = 0.05 2:37:34 PMAPPsasl.login.retry.backoff.max.ms = 10000 2:37:34 PMAPPsasl.login.retry.backoff.ms = 100 2:37:34 PMAPPsasl.mechanism = SCRAM-SHA-512 2:37:34 PMAPPsasl.oauthbearer.clock.skew.seconds = 30 2:37:34 PMAPPsasl.oauthbearer.expected.audience = null 2:37:34 PMAPPsasl.oauthbearer.expected.issuer = null 2:37:34 PMAPPsasl.oauthbearer.jwks.endpoint.refresh.ms = 3600000 2:37:34 PMAPPsasl.oauthbearer.jwks.endpoint.retry.backoff.max.ms = 10000 2:37:34 PMAPPsasl.oauthbearer.jwks.endpoint.retry.backoff.ms = 100 2:37:34 PMAPPsasl.oauthbearer.jwks.endpoint.url = null 2:37:34 PMAPPsasl.oauthbearer.scope.claim.name = scope 2:37:34 PMAPPsasl.oauthbearer.sub.claim.name = sub 2:37:34 PMAPPsasl.oauthbearer.token.endpoint.url = null 2:37:34 PMAPPsecurity.protocol = SASL_SSL 2:37:34 PMAPPsecurity.providers = null 2:37:34 PMAPPsend.buffer.bytes = 131072 2:37:34 PMAPPsocket.connection.setup.timeout.max.ms = 30000 2:37:34 PMAPPsocket.connection.setup.timeout.ms = 10000 2:37:34 PMAPPssl.cipher.suites = null 2:37:34 PMAPPssl.enabled.protocols = [TLSv1.2, TLSv1.3] 2:37:34 PMAPPssl.endpoint.identification.algorithm = https 2:37:34 PMAPPssl.engine.factory.class = null 2:37:34 PMAPPssl.key.password = null 2:37:34 PMAPPssl.keymanager.algorithm = SunX509 2:37:34 PMAPPssl.keystore.certificate.chain = null 2:37:34 PMAPPssl.keystore.key = null 2:37:34 PMAPPssl.keystore.location = null 2:37:34 PMAPPssl.keystore.password = null 2:37:34 PMAPPssl.keystore.type = JKS 2:37:34 PMAPPssl.protocol = TLSv1.3 2:37:34 PMAPPssl.provider = null 2:37:34 PMAPPssl.secure.random.implementation = null 2:37:34 PMAPPssl.trustmanager.algorithm = PKIX 2:37:34 PMAPPssl.truststore.certificates = null 2:37:34 PMAPPssl.truststore.location = null 2:37:34 PMAPPssl.truststore.password = null 2:37:34 PMAPPssl.truststore.type = JKS 2:37:34 PMAPPtransaction.timeout.ms = 60000 2:37:34 PMAPPtransactional.id = null 2:37:34 PMAPPvalue.serializer = class io.cloudevents.kafka.CloudEventSerializer 2:37:34 PMAPP[TaskQueueDispatcher-BusinessEvents.Producer_Queue-1] INFO org.apache.kafka.clients.producer.KafkaProducer - [Producer clientId=producer-3] Instantiated an idempotent producer. 2:37:34 PMAPP[TaskQueueDispatcher-BusinessEvents.Producer_Queue-1] INFO org.apache.kafka.clients.producer.KafkaProducer - [Producer clientId=producer-3] Closing the Kafka producer with timeoutMillis = 0 ms. 2:37:34 PMAPP[TaskQueueDispatcher-BusinessEvents.Producer_Queue-1] INFO org.apache.kafka.common.metrics.Metrics - Metrics scheduler closed 2:37:34 PMAPP[TaskQueueDispatcher-BusinessEvents.Producer_Queue-1] INFO org.apache.kafka.common.metrics.Metrics - Closing reporter org.apache.kafka.common.metrics.JmxReporter 2:37:34 PMAPP[TaskQueueDispatcher-BusinessEvents.Producer_Queue-1] INFO org.apache.kafka.common.metrics.Metrics - Metrics reporters closed 2:37:34 PMAPP[TaskQueueDispatcher-BusinessEvents.Producer_Queue-1] INFO org.apache.kafka.common.utils.AppInfoParser - App info kafka.producer for producer-3 unregistered 2:37:34 PMAPPERRORBusinessEvents: EventID 938d05e2-4f49-424e-b643-67da04d53dcb failed to send due to error Failed to construct kafka producer.

asked 2023-10-19

0 answers