我经常遇到与连接器本身创建的数据库历史主题相关的问题。有一个临时解决方案(通过更改数据库历史主题的名称(我尝试过，但这不是更好的处理方法。此外，保留字节设置为-1。这是错误堆栈。
ERROR WorkerSourceTask{id=cdcit.ventures.sandbox.streamdomain.streamsubdomain.order-filter-0} Task threw an uncaught and unrecoverable exception (org.apache.kafka.connect.runtime.WorkerTask)
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.
at io.debezium.relational.HistorizedRelationalDatabaseSchema.recover(HistorizedRelationalDatabaseSchema.java:47)
at io.debezium.connector.sqlserver.SqlServerConnectorTask.start(SqlServerConnectorTask.java:87)
at io.debezium.connector.common.BaseSourceTask.start(BaseSourceTask.java:101)
at org.apache.kafka.connect.runtime.WorkerSourceTask.execute(WorkerSourceTask.java:213)
at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:184)
at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:234)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
[2020-09-04 19:12:26,445] ERROR WorkerSourceTask{id=cdcit.ventures.sandbox.streamdomain.streamsubdomain.order-filter-0} Task is being killed and will not recover until manually restarted (org.apache.kafka.connect.runtime.WorkerTask)
每个连接器必须使用一个数据库历史主题。主题不能由多个连接器使用。
请更改参数的值"name"；在配置"；连接器属性"；更改为新名称。谢谢