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https://issues.apache.org/jira/browse/GEODE-9475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ernest Burghardt reassigned GEODE-9475:
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Assignee: Ernest Burghardt
> ObjectSizer will fail on java 16 and later
> ------------------------------------------
>
> Key: GEODE-9475
> URL: https://issues.apache.org/jira/browse/GEODE-9475
> Project: Geode
> Issue Type: Bug
> Components: core
> Reporter: Darrel Schneider
> Assignee: Ernest Burghardt
> Priority: Major
> Labels: Java16, Java17
>
> The instances of org.apache.geode.cache.util.ObjectSizer, SIZE_CLASS_ONCE,
> REFLECTION_SIZE, and DEFAULT will not work on java 16 and later because they
> call Field.setAccessible which is not allowed under normal conditions
> starting with java 16 (see:
> https://softwaregarden.dev/en/posts/new-java/illegal-access-in-java-16 ).
> To workaround this failure set the JVM command line option:
> --illegal-access=permit
> These ObjectSizer instances are used in a number of places internally by
> geode and can also explicitly be configured by users. Internally they are
> used by default for eviction (heap or mem), the wan gateway, and tombstone
> gc. Most all regions produce tombstones so that is the most likely point of
> failure.
> The code that calls setAccessible is:
> org.apache.geode.internal.size.ObjectTraverser#buildFieldSet and it is not
> clear how this code can be changed to do its job without using setAccessible.
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