问题描述：AWS MSK Connector 使用了Confluent Schema Registry, 消息格式为Avro, 在启动Connector 时日志中报错：
[Worker-0cb4b7ad6e5f2ce25] Caused by: org.apache.kafka.connect.errors.DataException: Failed to serialize Avro data from topic osci.mysql-server-3 :
[Worker-0cb4b7ad6e5f2ce25] at io.confluent.connect.avro.AvroConverter.fromConnectData(AvroConverter.java:107)
[Worker-0cb4b7ad6e5f2ce25] … 11 more
[Worker-0cb4b7ad6e5f2ce25] Caused by: org.apache.kafka.common.errors.SerializationException: Error registering Avro schema{“type”:“record”,“name”:“SchemaChangeValue”,“namespace”:“io.debezium.connector.mysql”,“fields”:…,“connect.version”:1,“connect.name”:“io.debezium.connector.schema.Change”}}}],“connect.version”:1,“connect.name”:“io.debezium.connector.mysql.SchemaChangeValue”}
[Worker-0cb4b7ad6e5f2ce25] Caused by: io.confluent.kafka.schemaregistry.client.rest.exceptions.RestClientException: Register schema operation failed while writing to the Kafka store; erro