[Bug] [flinksql] 单流滚动窗口异常

### Search before asking

- [X] I had searched in the [issues](https://github.com/DTStack/Taier/issues) and found no similar issues.

### What happened

任务刚起来往kafka插入数据经过计算将结果正确写入mysql。过了一夜，早上再给kafka插入数据，sink端就报错了：

java.lang.RuntimeException: Connection maybe closed
at com.dtstack.flinkx.connector.jdbc.sink.JdbcOutputFormat.processWriteException(JdbcOutputFormat.java:343)
at com.dtstack.flinkx.connector.jdbc.sink.JdbcOutputFormat.writeSingleRecordInternal(JdbcOutputFormat.java:193)
at com.dtstack.flinkx.sink.format.BaseRichOutputFormat.writeSingleRecord(BaseRichOutputFormat.java:427)
at com.dtstack.flinkx.sink.format.BaseRichOutputFormat.lambda$writeRecordInternal$1(BaseRichOutputFormat.java:448)
at java.util.ArrayList.forEach(ArrayList.java:1257)
at com.dtstack.flinkx.sink.format.BaseRichOutputFormat.writeRecordInternal(BaseRichOutputFormat.java:448)
at com.dtstack.flinkx.sink.format.BaseRichOutputFormat.lambda$initTimingSubmitTask$0(BaseRichOutputFormat.java:404)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Suppressed: java.lang.RuntimeException: java.lang.RuntimeException: Connection maybe closed
at com.dtstack.flinkx.sink.format.BaseRichOutputFormat.close(BaseRichOutputFormat.java:321)
at com.dtstack.flinkx.sink.DtOutputFormatSinkFunction.close(DtOutputFormatSinkFunction.java:127)
at org.apache.flink.api.common.functions.util.FunctionUtils.closeFunction(FunctionUtils.java:41)
at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:117)
at org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:797)
at org.apache.flink.streaming.runtime.tasks.StreamTask.runAndSuppressThrowable(StreamTask.java:776)
at org.apache.flink.streaming.runtime.tasks.StreamTask.cleanUpInvoke(StreamTask.java:691)
at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:595)
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:758)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:573)
... 1 more
[CIRCULAR REFERENCE:java.lang.RuntimeException: Connection maybe closed]
Caused by: java.sql.SQLException: No operations allowed after statement closed.
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:965)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:898)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:887)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:861)
at com.mysql.jdbc.StatementImpl.checkClosed(StatementImpl.java:442)
at com.mysql.jdbc.ServerPreparedStatement.checkClosed(ServerPreparedStatement.java:510)
at com.mysql.jdbc.ServerPreparedStatement.setTimestamp(ServerPreparedStatement.java:2070)
at com.dtstack.flinkx.connector.jdbc.statement.FieldNamedPreparedStatementImpl.setTimestamp(FieldNamedPreparedStatementImpl.java:234)
at com.dtstack.flinkx.connector.jdbc.converter.JdbcRowConverter.lambda$createExternalConverter$596bb4b9$1(JdbcRowConverter.java:219)
at com.dtstack.flinkx.connector.jdbc.converter.JdbcRowConverter.lambda$wrapIntoNullableExternalConverter$579ce5d$1(JdbcRowConverter.java:84)
at com.dtstack.flinkx.connector.jdbc.converter.JdbcRowConverter.toExternal(JdbcRowConverter.java:113)
at com.dtstack.flinkx.connector.jdbc.converter.JdbcRowConverter.toExternal(JdbcRowConverter.java:51)
at com.dtstack.flinkx.connector.jdbc.sink.PreparedStmtProxy.writeSingleRecordInternal(PreparedStmtProxy.java:194)
at com.dtstack.flinkx.connector.jdbc.sink.JdbcOutputFormat.writeSingleRecordInternal(JdbcOutputFormat.java:190)
... 12 more

### What you expected to happen

1

### How to reproduce

1

### Anything else

1

### Version

v1.2

### Are you willing to submit PR?

- [X] 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)