Flink cdc如何读取阿里的DRDS，是读取代理节点还是分别读取各个节点？

[ghost]

Caused by: org.apache.kafka.connect.errors.ConnectException: [12330401f20e6000][172.16.176.72:3306][sdm]Unknown command Error code: 1047; SQLSTATE: HY000.
at io.debezium.connector.mysql.AbstractReader.wrap(AbstractReader.java:241) ~[flink-sql-connector-mysql-cdc-1.2.0.jar:1.2.0]
at io.debezium.connector.mysql.AbstractReader.failed(AbstractReader.java:207) ~[flink-sql-connector-mysql-cdc-1.2.0.jar:1.2.0]
at io.debezium.connector.mysql.BinlogReader$ReaderThreadLifecycleListener.onCommunicationFailure(BinlogReader.java:1142) ~[flink-sql-connector-mysql-cdc-1.2.0.jar:1.2.0]
at com.github.shyiko.mysql.binlog.BinaryLogClient.listenForEventPackets(BinaryLogClient.java:962) ~[flink-sql-connector-mysql-cdc-1.2.0.jar:1.2.0]
at com.github.shyiko.mysql.binlog.BinaryLogClient.connect(BinaryLogClient.java:595) ~[flink-sql-connector-mysql-cdc-1.2.0.jar:1.2.0]
at com.github.shyiko.mysql.binlog.BinaryLogClient$7.run(BinaryLogClient.java:839) ~[flink-sql-connector-mysql-cdc-1.2.0.jar:1.2.0]
at java.lang.Thread.run(Thread.java:745) ~[?:1.8.0_111]
Caused by: com.github.shyiko.mysql.binlog.network.ServerException: [12330401f20e6000][172.16.176.72:3306][sdm]Unknown command
at com.github.shyiko.mysql.binlog.BinaryLogClient.listenForEventPackets(BinaryLogClient.java:926) ~[flink-sql-connector-mysql-cdc-1.2.0.jar:1.2.0]
at com.github.shyiko.mysql.binlog.BinaryLogClient.connect(BinaryLogClient.java:595) ~[flink-sql-connector-mysql-cdc-1.2.0.jar:1.2.0]
at com.github.shyiko.mysql.binlog.BinaryLogClient$7.run(BinaryLogClient.java:839) ~[flink-sql-connector-mysql-cdc-1.2.0.jar:1.2.0]
at java.lang.Thread.run(Thread.java:745) ~[?:1.8.0_111]

[PatrickRen]

Closing this issue because it was created before version 2.3.0 (2022-11-10). Please try the latest version of Flink CDC to see if the issue has been resolved. If the issue is still valid, kindly report it on Apache Jira under project Flink with component tag Flink CDC. Thank you!