[jboss-jira] [JBoss JIRA] Resolved: (JGRP-918) Logical addresses: removing a logical name or UUID/PhysicalAddress mapping on a view change is incorrect

[Bela Ban (JIRA)]

     [ https://jira.jboss.org/jira/browse/JGRP-918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-918.
---------------------------

    Resolution: Done


> Logical addresses: removing a logical name or UUID/PhysicalAddress mapping on a view change is incorrect
> --------------------------------------------------------------------------------------------------------
>
>                 Key: JGRP-918
>                 URL: https://jira.jboss.org/jira/browse/JGRP-918
>             Project: JGroups
>          Issue Type: Bug
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>            Priority: Minor
>             Fix For: 2.8
>
>
> In TP.down(), when receiving a view V, we
> - remove all mappings for members not in V from logical_addr_cache and
> - remove all mappings in UUID.cache for members not in V
> This is incorrect, because
> #1  We might have multiple channels in the same JVM, and any given view only pertains to a specific channel C1. But if we remove all mappings for members not in C1's view from UUID.cache, which is a JVM singleton, then we remove mappings for C2's view
> #2 With a shared channel, we share TP's logical_addr_cache among all channels, so we cannot do this either

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