[jira] [Comment Edited] (FLINK-17524) Remove "An illegal reflective access operation has occurred" warnings on JDK11

["Dan Lipofsky (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-17524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17993094#comment-17993094 ] 

Dan Lipofsky edited comment on FLINK-17524 at 8/4/25 8:55 PM:
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Same here (ArraysAsListSerializer in chill-java-0.7.6.jar, Java 11, flink 1.19.1 and 1.19.3). Is there anything we can do about this?


was (Author: dlipofsky):
Same here (ArraysAsListSerializer in chill-java-0.7.6.jar, Java 11, flink 1.19.1). Is there anything we can do about this?

> Remove "An illegal reflective access operation has occurred" warnings on JDK11
> ------------------------------------------------------------------------------
>
>                 Key: FLINK-17524
>                 URL: https://issues.apache.org/jira/browse/FLINK-17524
>             Project: Flink
>          Issue Type: Improvement
>          Components: Command Line Client
>    Affects Versions: 1.11.0
>            Reporter: Robert Metzger
>            Priority: Not a Priority
>              Labels: auto-deprioritized-major, auto-deprioritized-minor
>
> When running Flink on JDK11, there are various warnings like this one:
> {code}
> WARNING: An illegal reflective access operation has occurred
> WARNING: Illegal reflective access by org.apache.flink.api.java.ClosureCleaner (file:/private/tmp/flink/flink-dist/target/flink-1.11-SNAPSHOT-bin/flink-1.11-SNAPSHOT/lib/flink-dist_2.11-1.11-SNAPSHOT.jar) to field java.lang.String.value
> WARNING: Please consider reporting this to the maintainers of org.apache.flink.api.java.ClosureCleaner
> WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
> WARNING: All illegal access operations will be denied in a future release
> {code}
> This is an umbrella issue to collect all cases of such warnings. We will create separate tickets for each affected class / module / component.



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