我遇到了同样的问题，所以我更改了连接器的名称并创建了一个新的连接器，它起作用了，但我不知道这个问题的根源因为我们在 kafka-connect 日志中没有信息.

I had the same problem, so i changed the name of the connector and create a new one, it worked but I don't know the source of this problem because we have no information in kafka-connect logs.