具体谬误内容:
Caused by: java.lang.NoSuchMethodError: com.mysql.cj.CharsetMapping.getJavaEncodingForMysqlCharset(Ljava/lang/String;)Ljava/lang/String; at io.debezium.connector.mysql.MySqlValueConverters.charsetFor(MySqlValueConverters.java:331) at io.debezium.connector.mysql.MySqlValueConverters.converter(MySqlValueConverters.java:298) at io.debezium.relational.TableSchemaBuilder.createValueConverterFor(TableSchemaBuilder.java:400) at io.debezium.relational.TableSchemaBuilder.convertersForColumns(TableSchemaBuilder.java:321) at io.debezium.relational.TableSchemaBuilder.createKeyGenerator(TableSchemaBuilder.java:179) at io.debezium.relational.TableSchemaBuilder.create(TableSchemaBuilder.java:137) at io.debezium.relational.RelationalDatabaseSchema.buildAndRegisterSchema(RelationalDatabaseSchema.java:130) at io.debezium.relational.HistorizedRelationalDatabaseSchema.recover(HistorizedRelationalDatabaseSchema.java:52) at com.ververica.cdc.connectors.mysql.debezium.task.context.StatefulTaskContext.validateAndLoadDatabaseHistory(StatefulTaskContext.java:162) at com.ververica.cdc.connectors.mysql.debezium.task.context.StatefulTaskContext.configure(StatefulTaskContext.java:114) at com.ververica.cdc.connectors.mysql.debezium.reader.SnapshotSplitReader.submitSplit(SnapshotSplitReader.java:92) at com.ververica.cdc.connectors.mysql.debezium.reader.SnapshotSplitReader.submitSplit(SnapshotSplitReader.java:63) at com.ververica.cdc.connectors.mysql.source.reader.MySqlSplitReader.checkSplitOrStartNext(MySqlSplitReader.java:147) at com.ververica.cdc.connectors.mysql.source.reader.MySqlSplitReader.fetch(MySqlSplitReader.java:69) at org.apache.flink.connector.base.source.reader.fetcher.FetchTask.run(FetchTask.java:56) at org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.runOnce(SplitFetcher.java:138) at org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.run(SplitFetcher.java:101) 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)解决方案:引入mysql对应版本依赖
<dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.21</version></dependency>参考：https://github.com/ververica/...