卡夫卡消费者消息提交问题

时间：2020-05-30 18:20:11

标签： apache-kafka spring-cloud spring-cloud-stream spring-cloud-config

Kafka新手。

Kafka版本：2.3.1

我正在尝试使用Spring Cloud从两个主题中吸收Kafka消息。除了kafka活页夹和下面的一些简单配置外，我没有做太多配置。每当（组协调器lbbb111a.uat.pncint.net:9092（id：2147483641机架：null）不可用或无效时，都会尝试重新发现）。发生时，已经处理过的一堆消息会再次被处理。不知道发生了什么。

spring.cloud.stream.kafka.binder.brokers: xxxxx:9094
spring:
  cloud:
    stream:
      default:
        group: bbb-bl-kyc
      bindings:
        input:
          destination: bbb.core.sar.blul.events,bbb.core.sar.bluloc.events
          contentType: application/json
          consumer:
            headerMode: embeddedHeaders  

spring.kafka.consumer.properties.spring.json.trusted.packages: "*"
spring.cloud.stream.kafka.streams.binder.configuration.commit.interval.ms: 1000
#Custom Serializer configurations to secure data
spring.cloud.stream.kafka.binder.configuration:
  key.serializer: org.apache.kafka.common.serialization.StringSerializer
  value.serializer: pnc.aop.core.kafka.serialization.MessageSecuredByteArraySerializer
  value.deserializer: pnc.aop.core.kafka.serialization.MessageSecuredByteArrayDeserializer
  key.deserializer: org.apache.kafka.common.serialization.StringDeserializer



2020-05-29 07:01:11.389  INFO 1 --- [container-0-C-1] p.a.b.k.service.KYCOrchestrationService  : Done with Customer xxxx MS call response handling  Confm Id: 159073553171893 Appln Id: HSUKQJDJNZNMWVZZ
2020-05-29 07:01:11.393  INFO 1 --- [container-0-C-1] p.a.b.kyc.service.DMSIntegrationService  : Message written to the DMS topic successfully 159073553171893
2020-05-29 07:01:11.394  INFO 1 --- [container-0-C-1] p.a.b.k.s.AdminConsoleProducerService    : Message written to Admin console Application Log topic successfully  Confm Id: 159073553171893 Appln Id: HSUKQJDJNZNMWVZZ
2020-05-30 17:21:13.140  INFO 1 --- [ad | bbb-bl-kyc] o.a.k.c.c.internals.AbstractCoordinator  : [Consumer clientId=consumer-4, groupId=bbb-bl-kyc] Group coordinator lbbb111a.uat.pncint.net:9092 (id: 2147483641 rack: null) is unavailable or invalid, will attempt rediscovery
2020-05-30 17:21:13.122  INFO 1 --- [ad | bbb-bl-kyc] o.a.k.c.c.internals.AbstractCoordinator  : [Consumer clientId=consumer-2, groupId=bbb-bl-kyc] Group coordinator lbbb111a.uat.pncint.net:9092 (id: 2147483641 rack: null) is unavailable or invalid, will attempt rediscovery
2020-05-30 17:21:14.522  INFO 1 --- [ad | bbb-bl-kyc] o.a.k.c.c.internals.AbstractCoordinator  : [Consumer clientId=consumer-2, groupId=bbb-bl-kyc] Discovered group coordinator lbbb111a.uat.pncint.net:9092 (id: 2147483641 rack: null)
2020-05-30 17:21:14.692  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.AbstractCoordinator  : [Consumer clientId=consumer-4, groupId=bbb-bl-kyc] Discovered group coordinator lbbb111a.uat.pncint.net:9092 (id: 2147483641 rack: null)
2020-05-30 17:21:15.151  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.AbstractCoordinator  : [Consumer clientId=consumer-4, groupId=bbb-bl-kyc] Attempt to heartbeat failed for since member id consumer-4-f5a03efd-75cd-425b-94e1-efd3d728d7ca is not valid.
2020-05-30 17:21:15.152  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.ConsumerCoordinator  : [Consumer clientId=consumer-4, groupId=bbb-bl-kyc] Revoking previously assigned partitions [bbb.core.sar.bluloc.events-0]
2020-05-30 17:21:15.173  INFO 1 --- [container-0-C-1] o.s.c.s.b.k.KafkaMessageChannelBinder$1  : bbb-bl-kyc: partitions revoked: [bbb.core.sar.bluloc.events-0]
2020-05-30 17:21:15.141  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.AbstractCoordinator  : [Consumer clientId=consumer-2, groupId=bbb-bl-kyc] Attempt to heartbeat failed for since member id consumer-2-52012bae-1b22-4211-b107-803fb3765720 is not valid.
2020-05-30 17:21:15.175  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.AbstractCoordinator  : [Consumer clientId=consumer-4, groupId=bbb-bl-kyc] (Re-)joining group
2020-05-30 17:21:15.176  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.ConsumerCoordinator  : [Consumer clientId=consumer-2, groupId=bbb-bl-kyc] Revoking previously assigned partitions [bbb.core.sar.blul.events-0]
2020-05-30 17:21:15.184  INFO 1 --- [container-0-C-1] o.s.c.s.b.k.KafkaMessageChannelBinder$1  : bbb-bl-kyc: partitions revoked: [bbb.core.sar.blul.events-0]
2020-05-30 17:21:15.184  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.AbstractCoordinator  : [Consumer clientId=consumer-2, groupId=bbb-bl-kyc] (Re-)joining group
2020-05-30 17:21:18.200  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.AbstractCoordinator  : [Consumer clientId=consumer-4, groupId=bbb-bl-kyc] Successfully joined group with generation 66
2020-05-30 17:21:18.200  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.AbstractCoordinator  : [Consumer clientId=consumer-2, groupId=bbb-bl-kyc] Successfully joined group with generation 66
2020-05-30 17:21:18.200  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.ConsumerCoordinator  : [Consumer clientId=consumer-4, groupId=bbb-bl-kyc] Setting newly assigned partitions: bbb.core.sar.bluloc.events-0
2020-05-30 17:21:18.200  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.ConsumerCoordinator  : [Consumer clientId=consumer-2, groupId=bbb-bl-kyc] Setting newly assigned partitions: bbb.core.sar.blul.events-0
2020-05-30 17:21:18.203  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.ConsumerCoordinator  : [Consumer clientId=consumer-2, groupId=bbb-bl-kyc] Found no committed offset for partition bbb.core.sar.blul.events-0
2020-05-30 17:21:18.203  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.ConsumerCoordinator  : [Consumer clientId=consumer-4, groupId=bbb-bl-kyc] Found no committed offset for partition bbb.core.sar.bluloc.events-0
2020-05-30 17:21:18.537  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.SubscriptionState    : [Consumer clientId=consumer-2, groupId=bbb-bl-kyc] Resetting offset for partition bbb.core.sar.blul.events-0 to offset 4.
2020-05-30 17:21:18.538  INFO 1 --- [container-0-C-1] o.a.k.c.c.internals.SubscriptionState    : [Consumer clientId=consumer-4, groupId=bbb-bl-kyc] Resetting offset for partition bbb.core.sar.bluloc.events-0 to offset 0.
2020-05-30 17:21:18.621  INFO 1 --- [container-0-C-1] o.s.c.s.b.k.KafkaMessageChannelBinder$1  : bbb-bl-kyc: partitions assigned: [bbb.core.sar.blul.events-0]
2020-05-30 17:21:18.625  INFO 1 --- [container-0-C-1] o.s.c.s.b.k.KafkaMessageChannelBinder$1  : bbb-bl-kyc: partitions assigned: [bbb.core.sar.bluloc.events-0]
2020-05-30 17:21:18.822  INFO 1 --- [container-0-C-1] p.a.b.k.stream.KYCbbbCoreEventsListener  : Initiating KYC Orchestration 159071814927374
2020-05-30 17:21:18.826  INFO 1 --- [container-0-C-1] p.a.b.k.stream.KYCbbbCoreEventsListener  : Initiating KYC Orchestration null
2020-05-30 17:21:18.928  INFO 1 --- [container-0-C-1] p.a.b.k.s.AdminConsoleProducerService    : Message written to Admin console Application topic successfully Confm Id: null Appln Id: XQZ58K3H3XZADTAT

1 个答案:

答案 0 :(得分：1)

在不更改大部分使用者配置的情况下，您将至少具有一次 交付语义。

暂时无法使用组协调器时，您的消费者将无法提交其处理的消息。重新加入后，您的使用者将再次处理相同的消息（因为它们尚未提交），从而导致重复。

您可以找到有关GroupCoordinator和交付语义here

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