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https://issues.apache.org/jira/browse/FLINK-31919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-31919:
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Labels: pull-request-available (was: )
> Skip ClosureCleaner if object can be serialized
> -----------------------------------------------
>
> Key: FLINK-31919
> URL: https://issues.apache.org/jira/browse/FLINK-31919
> Project: Flink
> Issue Type: Sub-task
> Components: API / Core
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.18.0
>
>
> Given an object the ClosureCleaner currently recursively digs into every
> non-static/transient field of the given object. This causes a problem on Java
> 17 because these reflective accesses all need to be explicitly allowed
> beforehand.
> Instead, we could limit the CC to objects that fail serialization, because if
> something can be serialized there isn't anything for the CC to do.
> This should allow us to avoid a lot of unnecessary reflection accesses to
> immutable JDK classes, like Strings/BigDecimals etc etc.
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