[cdi-dev] [JBoss JIRA] (CDI-136) Assumption all @Stateful beans should be passivation capable

Sun Aug 19 15:51:15 EDT 2012

     [ https://issues.jboss.org/browse/CDI-136?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jozef Hartinger reassigned CDI-136:
-----------------------------------

    Assignee: Pete Muir  (was: Jozef Hartinger)


Looks good to me
                
> Assumption all @Stateful beans should be passivation capable
> ------------------------------------------------------------
>
>                 Key: CDI-136
>                 URL: https://issues.jboss.org/browse/CDI-136
>             Project: CDI Specification Issues
>          Issue Type: Bug
>          Components: Beans, Java EE integration
>    Affects Versions: 1.0, 1.1.EDR1
>            Reporter: David Blevins
>            Assignee: Pete Muir
>             Fix For: 1.1.EDR2
>
>
> Stateful session beans in transactions can't be passivated and shouldn't have passivation requirements either, like request scope.
> Stateful beans can be any scope.  They are the Bertie Bott's Every Flavor Beans of EJB.  It's too big of a brush to say that passivation is always required.  That's the part we need to fix.
> Stateful session beans that do passivate are pretty rare.  They should be assumed to be @NormalScope unless otherwise specified.
> The user should be able to say if they want passivation validation on their stateful bean and dependencies.
> We should at a minimum change the related language of the spec to be "For every bean which declares a passivating scope, and for every stateful session bean ***that requires passivation***, " and discuss how to determine that an SFSB requires passivation.
> From the EJB perspective this has always been a container detail, but we could have a rule in CDI that states the checks are not enforced unless the bean class explicitly implements java.io.Serializable.  Alternatively we could make a generic @PassivationScoped annotation for other architectures that have flexible scopes and support passivation concepts.

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