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https://issues.apache.org/jira/browse/GEODE-9477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Darrel Schneider resolved GEODE-9477.
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Resolution: Not A Problem
> Geode membership will have issues on java 16 and later
> ------------------------------------------------------
>
> Key: GEODE-9477
> URL: https://issues.apache.org/jira/browse/GEODE-9477
> Project: Geode
> Issue Type: Bug
> Components: membership
> Reporter: Darrel Schneider
> Priority: Major
> Labels: Java16
>
> Geode membership uses setAccessible in a number of places to access jgroups
> internals.
> This will not work on java 16 and later (see:
> https://softwaregarden.dev/en/posts/new-java/illegal-access-in-java-16).
> A workaround for this bug is to start the jvm with --illegal-access=permit
> The places that call setAccessible in membership are:
> *
> org.apache.geode.distributed.internal.membership.gms.messenger.AddressManager#findPingDataMethod
> (the catch in this method will not catch the RuntimeException thrown by
> setAccessible)
> *
> org.apache.geode.distributed.internal.membership.gms.messenger.JGroupsMessenger#setChannelReceiver
> *
> org.apache.geode.distributed.internal.membership.gms.messenger.JGroupsMessenger#start
> *
> org.apache.geode.distributed.internal.membership.gms.messenger.JGroupsMessenger#checkForIPv6
> *
> org.apache.geode.distributed.internal.membership.gms.messenger.JGroupsMessenger#establishLocalAddress
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