到目前为止,我得到的唯一答案是,您必须为模式和主题赋予相同的名称,然后这应该将它们链接在一起。但是在注册一个名称test_topic
如下的模式后:
{
"type": "record",
"name": "test_topic",
"namespace": "com.test",
"doc": "My test schema",
"fields": [
{
"name": "name",
"type": "string"
}
]
}
并运行以下命令,它会毫无问题地插入。
curl -X POST -H "Content-Type: application/vnd.kafka.json.v2+json" -H "Accept: application/vnd.kafka.v2+json" --data '{"records":[{"value":{"name": "My first name"}}]}' "http://localhost/topics/test_topic"
但是当我也运行以下命令时,它会插入而不给出任何错误(注意,我更改了属性名称)
curl -X POST -H "Content-Type: application/vnd.kafka.json.v2+json" -H "Accept: application/vnd.kafka.v2+json" --data '{"records":[{"value":{"test": "My first name"}}]}' "http://localhost/topics/test_topic"
我会怀疑一条错误消息说我的数据与该主题的架构不匹配...
我的模式 ID 是 10,所以我知道它正在工作并已注册,但目前不是很有用。
蟒蛇代码:
from confluent_kafka import Producer
import socket
import json
conf = {'bootstrap.servers': 'localhost:9092', 'client.id': socket.gethostname()}
producer = Producer(conf)
def acked(err, msg):
if err is not None:
print(f'Failed to deliver message: {str(msg)}, {str(err)}')
else:
print(f'Message produced: {str(msg)}')
producer.produce("test_topic", key="key", value=json.dumps({"test": name}).encode('ascii') , callback=acked)
producer.poll(5)