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Posted to issues@flink.apache.org by "Francesco Guardiani (Jira)" <ji...@apache.org> on 2022/03/10 08:38:00 UTC

[jira] [Closed] (FLINK-25972) org.apache.calcite.rel.metadata.JaninoRelMetadataProvider#HANDLERS might cause class leaks

     [ https://issues.apache.org/jira/browse/FLINK-25972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Francesco Guardiani closed FLINK-25972.
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    Resolution: Not A Problem

> org.apache.calcite.rel.metadata.JaninoRelMetadataProvider#HANDLERS might cause class leaks
> ------------------------------------------------------------------------------------------
>
>                 Key: FLINK-25972
>                 URL: https://issues.apache.org/jira/browse/FLINK-25972
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / Planner
>    Affects Versions: 1.15.0
>            Reporter: Yun Gao
>            Priority: Major
>
> JaninoRelMetadataProvider -> static field HANDLERS -> generated class GeneratedMetadataHandler_ColumnNullCount loaded by org.codehaus.janino.ByteArrayClassLoader. This cache seems to use the strong references.



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