FlinkCDC MySql报错问题

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具体错误内容:

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/...

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