RichardXu186 opened a new issue, #9844: URL: https://github.com/apache/seatunnel/issues/9844
### Search before asking - [x] I had searched in the [issues](https://github.com/apache/seatunnel/issues?q=is%3Aissue+label%3A%22bug%22) and found no similar issues. ### What happened source表有800多万条记录，在抽取到160多万时报错：Caused by: com.mysql.cj.exceptions.WrongArgumentException: Buffer length is less then expected payload length. source配置如下： source { MYSQL-CDC { base-url = "jdbc:mysql://10.xx.xx.119:3306/dolphinscheduler?useUnicode=true&characterEncoding=UTF-8&rewriteBatchedStatements=true&maxAllowedPacket=1073741824" driver = "com.mysql.cj.jdbc.Driver" server-id= 20131 username = "dbuser" password = "password" table-names = ["dbname.dbtable"] startup.mode = "initial" } } ### SeaTunnel Version 2.3.7 ### SeaTunnel Config ```conf source { MYSQL-CDC { base-url = "jdbc:mysql://10.xx.xx.119:3306/dolphinscheduler?useUnicode=true&characterEncoding=UTF-8&rewriteBatchedStatements=true&maxAllowedPacket=1073741824" driver = "com.mysql.cj.jdbc.Driver" server-id= 20131 username = "dbuser" password = "password" table-names = ["dbname.dbtable"] startup.mode = "initial" } } sink{ jdbc { url = "jdbc:mysql://10.3x.1x.2x:13079/dolphinscheduler?useUnicode=true&characterEncoding=UTF-8&rewriteBatchedStatements=true&useSSL=false&maxAllowedPacket=67108864" driver = "com.mysql.cj.jdbc.Driver" user = "dbuserr" password = "Password" batch_size = 100 batch_interval_ms = 500 # Automatically generate sql statements based on database table names generate_sink_sql = true database = dbname table = tablename primary_keys = ["id"] schema_save_mode = "CREATE_SCHEMA_WHEN_NOT_EXIST" data_save_mode = "APPEND_DATA" } } ``` ### Running Command ```shell ./bin/seatunnel.sh -c ./config/ds/tablename.config -m local ``` ### Error Exception ```log 2025-09-10 16:46:58,671 ERROR [e.IncrementalSourceScanFetcher] [debezium-snapshot-reader-0] - Execute snapshot read task for snapshot split org.apache.seatunnel.connectors.cdc.b ase.source.split.SnapshotSplit@f43656d1 fail io.debezium.DebeziumException: java.lang.RuntimeException: Failed to build the split data read statement. at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.source.reader.fetch.scan.MySqlSnapshotSplitReadTask.execute(MySqlSnapshotSplitReadTask.java:122) ~[?:?] at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.source.reader.fetch.scan.MySqlSnapshotFetchTask.execute(MySqlSnapshotFetchTask.java:71) ~[?:?] at org.apache.seatunnel.connectors.cdc.base.source.reader.external.IncrementalSourceScanFetcher.lambda$submitTask$0(IncrementalSourceScanFetcher.java:95) ~[?:?] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?] at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?] at java.lang.Thread.run(Thread.java:834) [?:?] Caused by: java.lang.RuntimeException: Failed to build the split data read statement. at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.utils.MySqlUtils.readTableSplitDataStatement(MySqlUtils.java:318) ~[?:?] at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.source.reader.fetch.scan.MySqlSnapshotSplitReadTask.createDataEventsForTable(MySqlSnapshotSplitReadTask.java:207) ~[?:?] at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.source.reader.fetch.scan.MySqlSnapshotSplitReadTask.createDataEvents(MySqlSnapshotSplitReadTask.java:179) ~[?:?] at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.source.reader.fetch.scan.MySqlSnapshotSplitReadTask.doExecute(MySqlSnapshotSplitReadTask.java:147) ~[?:?] at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.source.reader.fetch.scan.MySqlSnapshotSplitReadTask.execute(MySqlSnapshotSplitReadTask.java:117) ~[?:?] ... 7 more Caused by: java.sql.SQLException: Buffer length is less then expected payload length. at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129) ~[mysql-connector-j-8.0.33.jar:8.0.33] at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2045) ~[mysql-connector-j-8.0.33.jar:8.0.33] at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.utils.MySqlUtils.initStatement(MySqlUtils.java:385) ~[?:?] at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.utils.MySqlUtils.readTableSplitDataStatement(MySqlUtils.java:295) ~[?:?] at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.source.reader.fetch.scan.MySqlSnapshotSplitReadTask.createDataEventsForTable(MySqlSnapshotSplitReadTask.java:207) ~[?:?] at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.source.reader.fetch.scan.MySqlSnapshotSplitReadTask.createDataEvents(MySqlSnapshotSplitReadTask.java:179) ~[?:?] at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.source.reader.fetch.scan.MySqlSnapshotSplitReadTask.doExecute(MySqlSnapshotSplitReadTask.java:147) ~[?:?] at org.apache.seatunnel.connectors.seatunnel.cdc.mysql.source.reader.fetch.scan.MySqlSnapshotSplitReadTask.execute(MySqlSnapshotSplitReadTask.java:117) ~[?:?] ... 7 more Caused by: com.mysql.cj.exceptions.WrongArgumentException: Buffer length is less then expected payload length. at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:?] at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?] at java.lang.reflect.Constructor.newInstance(Constructor.java:490) ~[?:?] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-j-8.0.33.jar:8.0.33] at com.mysql.cj.protocol.a.NativePacketPayload.readString(NativePacketPayload.java:632) ~[mysql-connector-j-8.0.33.jar:8.0.33] at com.mysql.cj.protocol.a.NativePacketPayload.readString(NativePacketPayload.java:606) ~[mysql-connector-j-8.0.33.jar:8.0.33] at com.mysql.cj.protocol.a.NativeServerSessionStateController$NativeServerSessionStateChanges.init(NativeServerSessionStateController.java:119) ~[mysql-connector-j-8.0.3 3.jar:8.0.33] at com.mysql.cj.protocol.a.result.OkPacket.parse(OkPacket.java:66) ~[mysql-connector-j-8.0.33.jar:8.0.33] at com.mysql.cj.protocol.a.NativeProtocol.readServerStatusForResultSets(NativeProtocol.java:1691) ~[mysql-connector-j-8.0.33.jar:8.0.33] ``` ### Zeta or Flink or Spark Version 2.3.7版本默认的zeta版本 ### Java or Scala Version _No response_ ### Screenshots _No response_ ### Are you willing to submit PR? - 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