line0820 opened a new issue, #7618: URL: https://github.com/apache/seatunnel/issues/7618
### 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 When the column data type is varbinary and all row values of the column are null (or the first row is null), a data type conversion error occurs. ### SeaTunnel Version 2.3.7 ### SeaTunnel Config ```conf env { execution.parallelism = 2 job.mode = "BATCH" } source { Jdbc { url = "jdbc:sqlserver://host.docker.internal:1433;databaseName=Test_1;encrypt=false;" driver = "com.microsoft.sqlserver.jdbc.SQLServerDriver" connection_check_timeout_sec = 100 user = "erp" password = "123456" query = "select cast([c1_Guid] as nvarchar(100)) AS [c1_Guid],[c2_Datetime],[c3_Datetime2],cast([c4_Datetimeoffset] as nvarchar(100)) AS [c4_Datetimeoffset],cast([c5_Datetimeoffset] as nvarchar(100)) AS [c5_Datetimeoffset],[c6_Int],[c7_Nvarchar],[c8_Char],[c9_Bit],[c10_Text],[c12_Decimal],[c13_Numeric],[c14_time],[c15_nvarcharMax],[c16_Bigint],[c17_smallint],[c18_real],[c19_float],[c20_varbinary],cast([ModifyDate] as nvarchar(100)) AS [ModifyDate] from [dbo].[Table_Test]" } } transform { # If you would like to get more information about how to configure seatunnel and see full list of transform plugins, # please go to https://seatunnel.apache.org/docs/transform/sql } sink { jdbc { url = "jdbc:sqlserver://host.docker.internal:1433;databaseName=Test_2;encrypt=false;" driver = "com.microsoft.sqlserver.jdbc.SQLServerDriver" user = "erp" password = "123456" database = "Test_2" table = "dbo.Table_Test" support_upsert_by_query_primary_key_exist = true generate_sink_sql = true primary_keys = ["c1_Guid"] } } ``` ### Running Command ```shell docker dophinscheduler3.2.1 + seatunnel2.3.7 local jdbc:mssql-jdbc-12.8.0.jre8.jar database:mssql table: USE [Test_1] GO /****** Object: Table [dbo].[Table_Test] Script Date: 2024/9/10 9:02:10 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[Table_Test]( [c1_Guid] [uniqueidentifier] NOT NULL, [c2_Datetime] [datetime] NOT NULL, [c3_Datetime2] [datetime2](7) NULL, [c4_Datetimeoffset] [datetimeoffset](7) NULL, [c5_Datetimeoffset] [datetimeoffset](4) NULL, [c6_Int] [int] NULL, [c7_Nvarchar] [nvarchar](50) NULL, [c8_Char] [char](10) NULL, [c9_Bit] [bit] NULL, [c10_Text] [text] NULL, [c12_Decimal] [decimal](18, 6) NULL, [c13_Numeric] [numeric](18, 0) NULL, [c14_time] [time](7) NULL, [c15_nvarcharMax] [nvarchar](max) NULL, [c16_Bigint] [bigint] NULL, [c17_smallint] [smallint] NULL, [c18_real] [real] NULL, [c19_float] [float] NULL, [c20_varbinary] [varbinary](100) NULL, [ModifyDate] [datetimeoffset](7) NULL, CONSTRAINT [PK_Table_Test] PRIMARY KEY CLUSTERED ( [c1_Guid] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, OPTIMIZE_FOR_SEQUENTIAL_KEY = OFF) ON [PRIMARY] ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY] GO ``` ### Error Exception ```log 2024-09-10 08:43:36,441 ERROR [o.a.s.c.s.j.i.JdbcOutputFormat] [st-multi-table-sink-writer-2] - JDBC executeBatch error, retry times = 0 java.sql.BatchUpdateException: Implicit conversion from data type nvarchar to varbinary is not allowed. Use the CONVERT function to run this query. at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.executeBatch(SQLServerPreparedStatement.java:2444) ~[mssql-jdbc-12.8.0.jre8.jar:?] at org.apache.seatunnel.shade.com.zaxxer.hikari.pool.ProxyStatement.executeBatch(ProxyStatement.java:127) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.shade.com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeBatch(HikariProxyPreparedStatement.java) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.internal.executor.FieldNamedPreparedStatement.executeBatch(FieldNamedPreparedStatement.java:534) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.internal.executor.SimpleBatchStatementExecutor.executeBatch(SimpleBatchStatementExecutor.java:51) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.internal.executor.BufferReducedBatchStatementExecutor.executeBatch(BufferReducedBatchStatementExecutor.java:89) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.internal.JdbcOutputFormat.attemptFlush(JdbcOutputFormat.java:172) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.internal.JdbcOutputFormat.flush(JdbcOutputFormat.java:136) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.sink.JdbcSinkWriter.prepareCommit(JdbcSinkWriter.java:131) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.api.sink.multitablesink.MultiTableSinkWriter.lambda$prepareCommit$4(MultiTableSinkWriter.java:217) ~[seatunnel-starter.jar:2.3.7] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_402] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_402] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_402] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_402] at java.lang.Thread.run(Thread.java:750) [?:1.8.0_402] 2024-09-10 08:43:36,441 WARN [o.a.s.e.s.TaskExecutionService] [BlockingWorker-TaskGroupLocation{jobId=885686863849848833, pipelineId=1, taskGroupId=30000}] - [localhost]:5802 [seatunnel-35394] [5.1] Exception in org.apache.seatunnel.engine.server.task.TransformSeaTunnelTask@2621d0be java.lang.RuntimeException: java.lang.RuntimeException: java.util.concurrent.ExecutionException: org.apache.seatunnel.connectors.seatunnel.jdbc.exception.JdbcConnectorException: ErrorCode:[COMMON-10], ErrorDescription:[Flush data operation that in sink connector failed] at org.apache.seatunnel.engine.server.task.flow.SinkFlowLifeCycle.received(SinkFlowLifeCycle.java:292) ~[seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.task.flow.SinkFlowLifeCycle.received(SinkFlowLifeCycle.java:74) ~[seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.task.SeaTunnelTransformCollector.collect(SeaTunnelTransformCollector.java:39) ~[seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.task.SeaTunnelTransformCollector.collect(SeaTunnelTransformCollector.java:27) ~[seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.task.group.queue.IntermediateBlockingQueue.handleRecord(IntermediateBlockingQueue.java:70) ~[seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.task.group.queue.IntermediateBlockingQueue.collect(IntermediateBlockingQueue.java:50) ~[seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.task.flow.IntermediateQueueFlowLifeCycle.collect(IntermediateQueueFlowLifeCycle.java:51) ~[seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.task.TransformSeaTunnelTask.collect(TransformSeaTunnelTask.java:73) ~[seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.task.SeaTunnelTask.stateProcess(SeaTunnelTask.java:168) ~[seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.task.TransformSeaTunnelTask.call(TransformSeaTunnelTask.java:78) ~[seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.TaskExecutionService$BlockingWorker.run(TaskExecutionService.java:717) [seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.TaskExecutionService$NamedTaskWrapper.run(TaskExecutionService.java:1039) [seatunnel-starter.jar:2.3.7] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_402] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_402] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_402] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_402] at java.lang.Thread.run(Thread.java:750) [?:1.8.0_402] Caused by: java.lang.RuntimeException: java.util.concurrent.ExecutionException: org.apache.seatunnel.connectors.seatunnel.jdbc.exception.JdbcConnectorException: ErrorCode:[COMMON-10], ErrorDescription:[Flush data operation that in sink connector failed] at org.apache.seatunnel.api.sink.multitablesink.MultiTableSinkWriter.prepareCommit(MultiTableSinkWriter.java:234) ~[seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.task.flow.SinkFlowLifeCycle.received(SinkFlowLifeCycle.java:208) ~[seatunnel-starter.jar:2.3.7] ... 16 more Caused by: java.util.concurrent.ExecutionException: org.apache.seatunnel.connectors.seatunnel.jdbc.exception.JdbcConnectorException: ErrorCode:[COMMON-10], ErrorDescription:[Flush data operation that in sink connector failed] at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_402] at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_402] at org.apache.seatunnel.api.sink.multitablesink.MultiTableSinkWriter.prepareCommit(MultiTableSinkWriter.java:232) ~[seatunnel-starter.jar:2.3.7] at org.apache.seatunnel.engine.server.task.flow.SinkFlowLifeCycle.received(SinkFlowLifeCycle.java:208) ~[seatunnel-starter.jar:2.3.7] ... 16 more Caused by: org.apache.seatunnel.connectors.seatunnel.jdbc.exception.JdbcConnectorException: ErrorCode:[COMMON-10], ErrorDescription:[Flush data operation that in sink connector failed] at org.apache.seatunnel.connectors.seatunnel.jdbc.internal.JdbcOutputFormat.flush(JdbcOutputFormat.java:142) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.sink.JdbcSinkWriter.prepareCommit(JdbcSinkWriter.java:131) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.api.sink.multitablesink.MultiTableSinkWriter.lambda$prepareCommit$4(MultiTableSinkWriter.java:217) ~[seatunnel-starter.jar:2.3.7] ... 5 more Caused by: java.sql.BatchUpdateException: Implicit conversion from data type nvarchar to varbinary is not allowed. Use the CONVERT function to run this query. at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.executeBatch(SQLServerPreparedStatement.java:2444) ~[mssql-jdbc-12.8.0.jre8.jar:?] at org.apache.seatunnel.shade.com.zaxxer.hikari.pool.ProxyStatement.executeBatch(ProxyStatement.java:127) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.shade.com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeBatch(HikariProxyPreparedStatement.java) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.internal.executor.FieldNamedPreparedStatement.executeBatch(FieldNamedPreparedStatement.java:534) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.internal.executor.SimpleBatchStatementExecutor.executeBatch(SimpleBatchStatementExecutor.java:51) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.internal.executor.BufferReducedBatchStatementExecutor.executeBatch(BufferReducedBatchStatementExecutor.java:89) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.internal.JdbcOutputFormat.attemptFlush(JdbcOutputFormat.java:172) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.internal.JdbcOutputFormat.flush(JdbcOutputFormat.java:136) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.connectors.seatunnel.jdbc.sink.JdbcSinkWriter.prepareCommit(JdbcSinkWriter.java:131) ~[connector-jdbc-2.3.7.jar:2.3.7] at org.apache.seatunnel.api.sink.multitablesink.MultiTableSinkWriter.lambda$prepareCommit$4(MultiTableSinkWriter.java:217) ~[seatunnel-starter.jar:2.3.7] ``` ### Zeta or Flink or Spark Version _No response_ ### Java or Scala Version _No response_ ### Screenshots _No response_ ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. 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