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我是 debezium 的新手,正在尝试将我的 kafka 连接器连接到本地 WAMP 服务器上已有的 MySQL 数据库。

我按照教程文档启动了zookeeper和kafka,然后启动了kafka connector。在我的邮递员中,我将以下 JSON 发送到我的 kafka 连接器,但我一直收到错误的请求响应。

启动 Zookepper

docker run -it --rm --name zookeeper -p 2181:2181 -p 2888:2888 -p 3888:3888 debezium/zookeeper:0.7

启动卡夫卡

docker run -it --rm --name kafka -p 9092:9092 --link zookeeper:zookeeper debezium/kafka:0.7

启动 Kafka 连接器

docker run -it --rm --name connect -p 8083:8083 -e GROUP_ID=1 -e CONFIG_STORAGE_TOPIC=my_connect_configs -e OFFSET_STORAGE_TOPIC=my_connect_offsets --link zookeeper:zookeeper --link kafka:kafka debezium/connect:0.7

使用我的邮递员,我发送了以下内容

{ "name": "shopcentra-connector", "config": { "connector.class": "io.debezium.connector.mysql.MySqlConnector", "tasks.max": "1", "database.hostname": "127.0.0.1", "database.port": "3306", "database.user": "root", "database.password": "root", "database.server.id": "5444", "database.server.name": "shopcentra", "database.whitelist": "shopcentra", "database.history.kafka.bootstrap.servers": "kafka:9092", "database.history.kafka.topic": "dbhistory.shopcentra", "include.schema.changes": "true" } }

我的坏反应

{
"error_code": 400,
"message": "Connector configuration is invalid and contains the following 1 error(s):\nUnable to connect: Communications link failure\n\nThe last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.\nYou can also find the above list of errors at the endpoint `/{connectorType}/config/validate`"
}
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1 回答 1

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如果您使用的是 Docker,则可以使用预先配置的 MySQL 映像 debezium/example-mysql。或者,确保您使用授予适当权限的用户配置实例:

GRANT SELECT, RELOAD, SHOW DATABASES, REPLICATION SLAVE, REPLICATION CLIENT  ON *.* TO 'debezium' IDENTIFIED BY 'dbz';

然后每个数据库:

`GRANT ALL PRIVILEGES ON demo.* TO 'debezium'@'%';`
于 2020-08-20T01:36:45.847 回答