Flink CDC里这个异常怎么处理？

Flink CDC里这个异常怎么处理？... 1 more
Caused by: com.ververica.cdc.connectors.shaded.org.apache.kafka.connect.errors.ConnectException: An exception occurred in the change event producer. This connector will be stopped.
at io.debezium.pipeline.ErrorHandler.setProducerThrowable(ErrorHandler.java:42)
at com.ververica.cdc.connectors.mysql.debezium.task.context.MySqlErrorHandler.setProducerThrowable(MySqlErrorHandler.java:89)
at io.debezium.connector.mysql.MySqlStreamingChangeEventSource$ReaderThreadLifecycleListener.onCommunicationFailure(MySqlStreamingChangeEventSource.java:1439)
at com.github.shyiko.mysql.binlog.BinaryLogClient.listenForEventPackets(BinaryLogClient.java:980)
at com.github.shyiko.mysql.binlog.BinaryLogClient.connect(BinaryLogClient.java:599)
at com.github.shyiko.mysql.binlog.BinaryLogClient$7.run(BinaryLogClient.java:857)
... 1 more
Caused by: io.debezium.DebeziumException: The requested gtid transaction no longer exists and may have been cleaned up Error code: 1236; SQLSTATE: HY000.
at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.wrap(MySqlStreamingChangeEventSource.java:1383)
... 5 more
Caused by: com.github.shyiko.mysql.binlog.network.ServerException: The requested gtid transaction no longer exists and may have been cleaned up
at com.github.shyiko.mysql.binlog.BinaryLogClient.listenForEventPackets(BinaryLogClient.java:944)
... 3 more对应的binlog文件还在。cdc 启动需要设置什么参数么？