[cdi-dev] [JBoss JIRA] Commented: (CDI-148) Conversation Scope should be as available as Request Scope (Ubuquitous), and not tied to JSF

Dan Allen (JIRA) jira-events at lists.jboss.org
Fri Aug 5 16:56:37 EDT 2011

    [ https://issues.jboss.org/browse/CDI-148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12619217#comment-12619217 ] 

Dan Allen commented on CDI-148:

I agree it was totally unnecessary to couple the conversation scope to JSF.

> Conversation Scope should be as available as Request Scope (Ubuquitous), and not tied to JSF
> --------------------------------------------------------------------------------------------
>                 Key: CDI-148
>                 URL: https://issues.jboss.org/browse/CDI-148
>             Project: CDI Specification Issues
>          Issue Type: Bug
>          Components: Contexts
>    Affects Versions: 1.0
>            Reporter: Lincoln Baxter III
> In CDI 1.0, the Conversation Scope has extremely limited availability. It is accessible from *after* RESTORE_VIEW phase in JSF, to the end of the Response, but this is extremely limiting, and in fact does not even address all use-cases within JSF. 
> For instance:
>  * User has custom PhaseListener for *Before* RESTORE_VIEW phase, or user has custom PhaseListener that invokes before ConversationPhaseListener.
>  * In said PhaseListener, user attempts to access a ConversationScoped bean.
>  * ContextNotActiveException results, even though there may be a valid CID in the Request URL
> Example 2:
>  * User attempts to access ConversationScope outside of the JSF lifecycle (Via EL in a Servlet or ServletFilter, for instance.)
>  * ContextNotActiveException results, this just doesn't work!
> There is no reason why the ConversationScope should be any less available than the RequestScope, since both depend on the same underlying context objects. (Request, Session, etc)
> ConversationScope should be ubiquitous in the Servlet Container Request/Response lifecycle. This will greatly improve ability to use CDI in view/web frameworks other than JSF.

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