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Posted to issues@geode.apache.org by "Darrel Schneider (Jira)" <ji...@apache.org> on 2022/04/19 23:28:00 UTC

[jira] [Resolved] (GEODE-9468) tomcat session state management will not work on java 16

     [ https://issues.apache.org/jira/browse/GEODE-9468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Darrel Schneider resolved GEODE-9468.
-------------------------------------
    Resolution: Not A Problem

> tomcat session state management will not work on java 16
> --------------------------------------------------------
>
>                 Key: GEODE-9468
>                 URL: https://issues.apache.org/jira/browse/GEODE-9468
>             Project: Geode
>          Issue Type: Bug
>          Components: http session
>            Reporter: Darrel Schneider
>            Priority: Major
>              Labels: Java16
>
> The class org.apache.geode.modules.session.catalina.DeltaSession calls Field.setAccessible in a static block. It is getting access to a field in the super class which was private in tomcat 7 (see GEODE-3434). Because of this tomcat session state management will not work on java 16 (see [https://softwaregarden.dev/en/posts/new-java/illegal-access-in-java-16/)] unless jvm args are used to permit the call (for example "--illegal-access=permit").
> If we can drop support for tomcat 7 then this reflection would no longer be needed. It might also be possible to only call setAccessible if the field is private which would mean only tomcat 7 would not work on java 16.



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