[jboss-jira] [JBoss JIRA] (JGRP-2293) Graceful concurrent leaving of coordinator(s) leaves the cluster with stale views

[Radoslav Husar (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-2293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Radoslav Husar updated JGRP-2293:
---------------------------------
    Summary: Graceful concurrent leaving of coordinator(s) leaves the cluster with stale views  (was: Graceful concurrent leaving of coordinator(s) leaves the cluster with wrong views)


> Graceful concurrent leaving of coordinator(s) leaves the cluster with stale views
> ---------------------------------------------------------------------------------
>
>                 Key: JGRP-2293
>                 URL: https://issues.jboss.org/browse/JGRP-2293
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 4.0.14
>            Reporter: Radoslav Husar
>            Assignee: Bela Ban
>            Priority: Critical
>             Fix For: 4.0.15
>
>
> JGroups does not handle concurrent leaving of nodes correctly. This is a typical use case in cloud environment when scaled down with an autoscaler/manually which we need to handle.
> A simple test can be devised which fails first n (where n>1) nodes from a cluster, reproducer PR https://github.com/belaban/JGroups/pull/397



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