[jboss-jira] [JBoss JIRA] (WFLY-7240) CacheRegistry is missing entries (e.g. client mappings) following a merge after a cluster split

[Radoslav Husar (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-7240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Radoslav Husar updated WFLY-7240:
---------------------------------
    Fix Version/s: 11.0.0.Alpha1


> CacheRegistry is missing entries (e.g. client mappings) following a merge after a cluster split
> -----------------------------------------------------------------------------------------------
>
>                 Key: WFLY-7240
>                 URL: https://issues.jboss.org/browse/WFLY-7240
>             Project: WildFly
>          Issue Type: Bug
>          Components: Clustering
>    Affects Versions: 10.0.0.Final, 10.1.0.Final
>            Reporter: Radoslav Husar
>            Assignee: Radoslav Husar
>            Priority: Critical
>             Fix For: 11.0.0.Alpha1
>
>
> One of the manifestation of the issue:
> # start 2 nodes with SLSB with TUNNEL transport
> # start both nodes creating 2 clusters (or partitions)
> # start ejb client 
> # start GossipRouter and wait for merge
> # ejb client keeps talking only to known node; never receives a topology update
> This is because org.wildfly.clustering.server.registry.CacheRegistry#topologyChanged does not handle cluster merges and thus all entries from a given partition will be lost forever.
> The effects are especially missing client mappings and broken session stickiness. 



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