Flink CDC有谁能帮忙解释一下？

Flink CDC有谁能帮忙解释一下o.debezium.DebeziumException: The db history topic or its content is fully or partially missing. Please check database history topic configuration and re-execute the snapshot？with (
'schema-name' = 'AIRLINE',
'debezium.database.tablename.case.insensitive' = 'false',
'connector' = 'oracle-cdc',
'hostname' = '10.73.116.113',
'port' = '1521',
'username' = 'c##flinkuser',
'password' = 'ASAAAAAAAAA',
'database-name' = 'MUS',
'debezium.database.pdb.name' = 'B2C',
'table-name' = 'T_TRADING_ORDER',
'debezium.log.mining.strategy' = 'online_catalog',
'debezium.database.history.kafka.topic' = 'B2C_T_TRADING_ORDER'
);
io.debezium.DebeziumException: The db history topic or its content is fully or partially missing. Please check database history topic configuration and re-execute the snapshot
"database.history.kafka.bootstrap.servers" : "kafka:9092", 这个没配， 没装kafkahttps://github.com/ververica/flink-cdc-connectors/issues/1737