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https://issues.apache.org/jira/browse/FLINK-30455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17649371#comment-17649371
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Gunnar Morling commented on FLINK-30455:
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[~rmetzger] et al., if you think this makes sense, could you assign this issue
to me? Thanks!
> Avoid "cleaning" of java.lang.String in ClosureCleaner
> ------------------------------------------------------
>
> Key: FLINK-30455
> URL: https://issues.apache.org/jira/browse/FLINK-30455
> Project: Flink
> Issue Type: Sub-task
> Reporter: Gunnar Morling
> Priority: Major
>
> When running a simple "hello world" example on JDK 17, I noticed the closure
> cleaner tries to reflectively access the {{java.lang.String}} class, which
> fails due to the strong encapsulation enabled by default in JDK 17 and
> beyond. I don't think the closure cleaner needs to act on {{String}} at all,
> as it doesn't contain any inner classes. Unless there are objections, I'll
> provide a fix along those lines. With this change in place, I can run that
> example on JDK 17.
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