Chesnay Schepler created FLINK-27466:
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Summary: 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
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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