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https://issues.apache.org/jira/browse/FLINK-30371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-30371:
-----------------------------------
Labels: pull-request-available (was: )
> JdbcOutputFormat is at risk of database connection leaks
> --------------------------------------------------------
>
> Key: FLINK-30371
> URL: https://issues.apache.org/jira/browse/FLINK-30371
> Project: Flink
> Issue Type: Bug
> Components: Connectors / JDBC
> Affects Versions: 1.16.0, 1.16.1, jdbc-3.0.0
> Reporter: Echo Lee
> Priority: Major
> Labels: pull-request-available
> Fix For: jdbc-3.0.0
>
>
> When writing to the target table fails for some reason, for example, the
> target table does not exist.
> The internal call sequence of JdbcOutputFormat is:
> JdbcOutputFormat#flush(throws IOException) --> JdbcOutputFormat#close -->
> JdbcOutputFormat#flush(throws RuntimeException).
> Will not call the close method of the database connection, this will cause
> the number of database connections to continue to rise and reach the limit.
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