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:67)
at io.debezium.pipeline.ChangeEventSourceCoordinator.lambda$start$0(ChangeEventSourceCoordinator.java:150)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.NumberFormatException: null
at java.base/java.lang.Integer.parseInt(Integer.java:614)
at java.base/java.lang.Integer.valueOf(Integer.java:983)
at io.debezium.config.Configuration.lambda$getInteger$7(Configuration.java:1331)
at io.debezium.config.Configuration.getInteger(Configuration.java:1257)
at io.debezium.config.Configuration.getInteger(Configuration.java:1331)
at io.debezium.connector.binlog.BinlogConnectorConfig.getServerId(BinlogConnectorConfig.java:835)
at io.debezium.connector.binlog.BinlogStreamingChangeEventSource.createBinaryLogClient(BinlogStreamingChangeEventSource.java:377)
at io.debezium.connector.binlog.BinlogStreamingChangeEventSource.<init>(BinlogStreamingChangeEventSource.java:161)
at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.<init>(MySqlStreamingChangeEventSource.java:51)
at io.debezium.connector.mysql.MySqlChangeEventSourceFactory.getStreamingChangeEventSource(MySqlChangeEventSourceFactory.java:98)
at io.debezium.pipeline.ChangeEventSourceCoordinator.initStreamEvents(ChangeEventSourceCoordinator.java:318)
at io.debezium.pipeline.ChangeEventSourceCoordinator.streamEvents(ChangeEventSourceCoordinator.java:302)
at io.debezium.pipeline.ChangeEventSourceCoordinator.executeChangeEventSources(ChangeEventSourceCoordinator.java:203)
at io.debezium.pipeline.ChangeEventSourceCoordinator.lambda$start$0(ChangeEventSourceCoordinator.java:143)
... 5 more

For example, in chat communication, database.server.id in version 2.7.0 no longer supports 202309181059. This cannot achieve a smooth upgrade, so adjustments are required.

https://debezium.zulipchat.com/#narrow/stream/302529-community-general/topic/2.2E7.2E0.20error