Debezium Kafka连接错误- TimeoutException：获取主题元数据时超时

yzuktlbb  于 2023-05-05  发布在  Apache
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我在Debezium connect producer上遇到一个错误，不知道我在哪里犯了错误或遗漏了什么。下面是我的连接器和docker文件的属性。部署在VM上的docker是否无法连接到其他VM上的数据库？

kafka-connect-10    | [2020-01-23 23:37:00,202] ERROR [Procura_CDC|task-0] WorkerSourceTask{id=Procura_CDC-0} Task threw an uncaught and unrecoverable exception (org.apache.kafka.connect.runtime.WorkerTask:179)
kafka-connect-10    | org.apache.kafka.common.errors.TimeoutException: Timeout expired while fetching topic metadata
kafka-connect-10    | [2020-01-23 23:37:00,203] ERROR [Procura_CDC|task-0] WorkerSourceTask{id=Procura_CDC-0} Task is being killed and will not recover until manually restarted (org.apache.kafka.connect.runtime.WorkerTask:180)
kafka-connect-10    | [2020-01-23 23:37:00,205] INFO [Procura_CDC|task-0] [Producer clientId=procura-dbhistory] Closing the Kafka producer with timeoutMillis = 9223372036854775807 ms. (org.apache.kafka.clients.producer.KafkaProducer:1183)
kafka-connect-10    | [2020-01-23 23:37:00,374] INFO [Procura_CDC|task-0] [Producer clientId=connector-producer-Procura_CDC-0] Closing the Kafka producer with timeoutMillis = 30000 ms. (org.apache.kafka.clients.producer.KafkaProducer:1183)
kafka-connect-10    | [2020-01-23 23:37:12,772] INFO [Procura_CDC|task-0|offsets] WorkerSourceTask{id=Procura_CDC-0} Committing offsets (org.apache.kafka.connect.runtime.WorkerSourceTask:416)
kafka-connect-10    | [2020-01-23 23:37:12,773] INFO [Procura_CDC|task-0|offsets] WorkerSourceTask{id=Procura_CDC-0} flushing 0 outstanding messages for offset commit (org.apache.kafka.connect.runtime.WorkerSourceTask:433)
kafka-connect-10    | [2020-01-23 23:37:12,918] INFO [Procura_CDC|task-0] WorkerSourceTask{id=Procura_CDC-0} Committing offsets (org.apache.kafka.connect.runtime.WorkerSourceTask:416)
kafka-connect-10    | [2020-01-23 23:37:12,930] INFO [Procura_CDC|task-0] WorkerSourceTask{id=Procura_CDC-0} flushing 0 outstanding messages for offset commit (org.apache.kafka.connect.runtime.WorkerSourceTask:433)
kafka-connect-10    | [2020-01-23 23:37:12,930] ERROR [Procura_CDC|task-0] WorkerSourceTask{id=Procura_CDC-0} Task threw an uncaught and unrecoverable exception (org.apache.kafka.connect.runtime.WorkerTask:179)
kafka-connect-10    | org.apache.kafka.common.errors.TimeoutException: Timeout expired while fetching topic metadata
kafka-connect-10    | [2020-01-23 23:37:12,931] ERROR [Procura_CDC|task-0] WorkerSourceTask{id=Procura_CDC-0} Task is being killed and will not recover until manually restarted (org.apache.kafka.connect.runtime.WorkerTask:180)
kafka-connect-10    | [2020-01-23 23:37:12,932] INFO [Procura_CDC|task-0] [Producer clientId=procura-dbhistory] Closing the Kafka producer with timeoutMillis = 9223372036854775807 ms. (org.apache.kafka.clients.producer.KafkaProducer:1183)
kafka-connect-10    | [2020-01-23 23:37:13,038] ERROR [Procura_CDC|task-0] Unable to unregister the MBean 'debezium.sql_server:type=connector-metrics,context=schema-history,server=procura' (io.debezium.relational.history.DatabaseHistoryMetrics:65)
kafka-connect-10    | [2020-01-23 23:37:13,039] INFO [Procura_CDC|task-0] [Producer clientId=connector-producer-Procura_CDC-0] Closing the Kafka producer with timeoutMillis = 30000 ms. (org.apache.kafka.clients.producer.KafkaProducer:1183)

Docker文件：

version: '3'
services:

  kafka-connect-02:
    image: confluentinc/cp-kafka-connect:latest
    container_name: kafka-connect-02
    ports:
      - 8083:8083
    environment:
      CONNECT_LOG4J_APPENDER_STDOUT_LAYOUT_CONVERSIONPATTERN: "[%d] %p %X{connector.context}%m (%c:%L)%n"
      CONNECT_CUB_KAFKA_TIMEOUT: 300
      CONNECT_BOOTSTRAP_SERVERS: "https://***9092"
      CONNECT_REST_ADVERTISED_HOST_NAME: 'kafka-connect-02'
      CONNECT_REST_PORT: 8083
      CONNECT_GROUP_ID: _kafka-connect-group-01-v04
      CONNECT_CONFIG_STORAGE_TOPIC: _kafka-connect-group-01-v04-configs
      CONNECT_OFFSET_STORAGE_TOPIC: _kafka-connect-group-01-v04-offsets
      CONNECT_STATUS_STORAGE_TOPIC: _kafka-connect-group-01-v04-status
      CONNECT_KEY_CONVERTER: io.confluent.connect.avro.AvroConverter
      CONNECT_KEY_CONVERTER_SCHEMA_REGISTRY_URL: "https://***9092"
      CONNECT_KEY_CONVERTER_BASIC_AUTH_CREDENTIALS_SOURCE: "USER_INFO"
      CONNECT_KEY_CONVERTER_SCHEMA_REGISTRY_BASIC_AUTH_USER_INFO: "***:***"
      CONNECT_VALUE_CONVERTER: io.confluent.connect.avro.AvroConverter
      CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_URL: "https://***9092"
      CONNECT_VALUE_CONVERTER_BASIC_AUTH_CREDENTIALS_SOURCE: "USER_INFO"
      CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_BASIC_AUTH_USER_INFO: "***:***"
      CONNECT_INTERNAL_KEY_CONVERTER: 'org.apache.kafka.connect.json.JsonConverter'
      CONNECT_INTERNAL_VALUE_CONVERTER: 'org.apache.kafka.connect.json.JsonConverter'
      CONNECT_LOG4J_ROOT_LOGLEVEL: 'INFO'
      CONNECT_LOG4J_LOGGERS: 'org.apache.kafka.connect.runtime.rest=WARN,org.reflections=ERROR'
      CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: '3'
      CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: '3'
      CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: '3'
      CONNECT_PLUGIN_PATH: '/usr/share/java,/usr/share/confluent-hub-components/'
      # Confluent Cloud config
      CONNECT_REQUEST_TIMEOUT_MS: "20000"
      CONNECT_RETRY_BACKOFF_MS: "500"
      CONNECT_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM: "https"
      CONNECT_SASL_MECHANISM: "PLAIN"
      CONNECT_SECURITY_PROTOCOL: "SASL_SSL"
      CONNECT_SASL_JAAS_CONFIG: "org.apache.kafka.common.security.plain.PlainLoginModule required username=\"***\" password=\"**";"
      #
      CONNECT_CONSUMER_SECURITY_PROTOCOL: "SASL_SSL"
      CONNECT_CONSUMER_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM: "https"
      CONNECT_CONSUMER_SASL_MECHANISM: "PLAIN"
      CONNECT_CONSUMER_SASL_JAAS_CONFIG: "org.apache.kafka.common.security.plain.PlainLoginModule required username=\"***\" password=\"**";"
      CONNECT_CONSUMER_REQUEST_TIMEOUT_MS: "20000"
      CONNECT_CONSUMER_RETRY_BACKOFF_MS: "500"
      #
      CONNECT_PRODUCER_SECURITY_PROTOCOL: "SASL_SSL"
      CONNECT_PRODUCER_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM: "https"
      CONNECT_PRODUCER_SASL_MECHANISM: "PLAIN"
      CONNECT_PRODUCER_SASL_JAAS_CONFIG: "org.apache.kafka.common.security.plain.PlainLoginModule required username=\"***\" password=\"**";"
      CONNECT_PRODUCER_REQUEST_TIMEOUT_MS: "20000"
      CONNECT_PRODUCER_RETRY_BACKOFF_MS: "500"
      # External secrets config
      # See https://docs.confluent.io/current/connect/security.html#externalizing-secrets
      CONNECT_CONFIG_PROVIDERS: 'file'
      CONNECT_CONFIG_PROVIDERS_FILE_CLASS: 'org.apache.kafka.common.config.provider.FileConfigProvider'
    command: 
      - bash 
      - -c 
      - |
        echo "Installing connector plugins"
        confluent-hub install --no-prompt debezium/debezium-connector-sqlserver:0.10.0
        confluent-hub install --no-prompt snowflakeinc/snowflake-kafka-connector:0.5.5
        #
        echo "Launching Kafka Connect worker"
        /etc/confluent/docker/run &  

        #
        sleep infinity

Debezium连接器：

curl -i -X PUT -H "Content-Type:application/json" http://localhost:8083/connectors/Procura_CDC/config  -d '{  "connector.class":"io.debezium.connector.sqlserver.SqlServerConnector",
    "tasks.max":"1",
    "database.server.name":"***",
    "database.hostname":"***",
    "database.port":"***",
    "database.user":"Kafka",
    "database.password":"***",
    "database.dbname":"Procura_Prod",
    "database.history.kafka.bootstrap.servers":"*****",
    "database.history.kafka.topic":"dbhistory.procura",
    "table.whitelist":"dbo.CLIENTS,dbo.VISITS",
    "poll.interval.ms":"2000",
    "snapshot.fetch.size":"2000",
    "snapshot.mode":"initial",
    "snapshot.isolation.mode":"snapshot",
    "transforms":"unwrap,dropPrefix",
    "transforms.unwrap.type":"io.debezium.transforms.ExtractNewRecordState",
    "transforms.unwrap.drop.tombstones":"false",
    "transforms.unwrap.delete.handling.mode":"rewrite",
    "transforms.dropPrefix.type":"org.apache.kafka.connect.transforms.RegexRouter",
    "transforms.dropPrefix.regex":"procura.dbo.(.*)",
    "transforms.dropPrefix.replacement":"$1" }'

谢谢

apache-kafka

2条答案

按热度按时间
zkure5ic

zkure5ic1#

错误是说它无法连接到Kafka。
以下对象不应应用https://

  • CONNECT_BOOTSTRAP_SERVERS
  • CONNECT_CONSUMER_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM
  • CONNECT_PRODUCER_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM

事实上，甚至不确定最后两个配置是否有效。
您可能还希望删除REQUEST_TIMEOUT_MS和RETRY_BACKOFF_MS配置，除非您有设置这些配置的特定用例
并且不需要AFAIK，CONFIG_PROVIDERS_FILE_CLASS，因为file是默认实现。
提示：使用.env文件减少YAML中所需的变量数量

赞(0）分享  回复(0）举报  2023-05-05
mbzjlibv

mbzjlibv2#

我们不得不增加消费者的超时时间，这有助于解决这个问题。ConsumerConfig.REQUEST_TIMEOUT_MS_CONFIG将其增加到60000。
此变量是org.apache.kafka.clients.consumer.ConsumerConfig的属性

赞(0）分享  回复(0）举报  2023-05-05
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