[jboss-jira] [JBoss JIRA] (WFLY-12729) [18.0.x] Session passivation event can deadlock if it attempts write operations on a session

Brian Stansberry (Jira) issues at jboss.org
Tue Oct 29 16:00:00 EDT 2019


     [ https://issues.jboss.org/browse/WFLY-12729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brian Stansberry updated WFLY-12729:
------------------------------------
    Git Pull Request:   (was: https://github.com/wildfly/wildfly/pull/12705)


> [18.0.x] Session passivation event can deadlock if it attempts write operations on a session
> --------------------------------------------------------------------------------------------
>
>                 Key: WFLY-12729
>                 URL: https://issues.jboss.org/browse/WFLY-12729
>             Project: WildFly
>          Issue Type: Bug
>          Components: Clustering
>    Affects Versions: 18.0.0.Final
>            Reporter: Paul Ferraro
>            Assignee: Paul Ferraro
>            Priority: Critical
>              Labels: downstream_dependency
>             Fix For: 18.0.1.Final
>
>
> Activation/passivation listeners are intentionally non-transactional - and thus should never attempt to perform cache writes.
> In order to trigger the requisite activation/passivation listeners, activation/passivation events need to lookup the cache entries relevant to a given session via SessionFactory.findValue(..).  However, if there are entries missing (e.g. a creation meta data entry w/out a access meta data entry), this method will attempt to purge the orphaned entries.  This should never be done within the context of an activation/passivation event.



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