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https://issues.apache.org/jira/browse/FLINK-16681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17118389#comment-17118389
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Lijie Wang commented on FLINK-16681:
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Thank you [~jark], I see, I will also fix JdbcRowDataOutputFormat.
> Jdbc JDBCOutputFormat and JDBCLookupFunction PreparedStatement loss
> connection, if long time not records to write.
> --------------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-16681
> URL: https://issues.apache.org/jira/browse/FLINK-16681
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / JDBC
> Reporter: LakeShen
> Assignee: Lijie Wang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.11.0, 1.10.2
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> In my thought, jdbc connector is the one of most frequently used connector in
> flink . But maybe there is a problem for jdbc connector. For example, if
> there are no records to write or join with dim table for a long time , the
> exception will throw like this :
> java.sql.SQLException: No operations allowed after statement closed
> Because there are long time no records to write , the PreparedStatement loss
> the connection.
> If there is no other jira to solve this problem , can you assign this jira
> to me , I will try my best to solve it , thank you .
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