[jira] [Closed] (FLINK-27466) JDBC metaspace leak fix is misleading

["Chesnay Schepler (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-27466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler closed FLINK-27466.
------------------------------------
    Resolution: Fixed

master: 99c9c2ee3d4cf15319ca9f97b61b18f3f3b23210

> JDBC metaspace leak fix is misleading
> -------------------------------------
>
>                 Key: FLINK-27466
>                 URL: https://issues.apache.org/jira/browse/FLINK-27466
>             Project: Flink
>          Issue Type: Bug
>          Components: Connectors / JDBC, Documentation
>            Reporter: Chesnay Schepler
>            Assignee: Chesnay Schepler
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.16.0
>
>
> {code}
> To ensure that these classes are only loaded once you should either add the driver jars to Flink’s lib/ folder, or add the driver classes to the list of parent-first loaded class via classloader.parent-first-patterns-additional.
> {code}
> This reads as if adding the driver to classloader.parent-first-patterns-additional can solve the issue in all cases, but this only works if the driver is already in lib/.



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