[seam-issues] [JBoss JIRA] (JBSEAM-4898) JSF2 Page Scope components are not active on postback

Marek Novotny (JIRA) jira-events at lists.jboss.org
Fri Mar 23 09:24:48 EDT 2012

    [ https://issues.jboss.org/browse/JBSEAM-4898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12678945#comment-12678945 ] 

Marek Novotny commented on JBSEAM-4898:

I finally found the issue in JSF2, which causes this issue - http://java.net/jira/browse/JAVASERVERFACES_SPEC_PUBLIC-787
> JSF2 Page Scope components are not active on postback
> -----------------------------------------------------
>                 Key: JBSEAM-4898
>                 URL: https://issues.jboss.org/browse/JBSEAM-4898
>             Project: Seam 2
>          Issue Type: Bug
>    Affects Versions: 2.3.0.ALPHA
>            Reporter: John Gilbert
>            Assignee: Marek Novotny
>            Priority: Blocker
>             Fix For: 2.3.0.BETA1
>         Attachments: JBSEAM-4898-patch.txt, seam-scope-test-master.zip
> Page scoped components are not active on postback during the restore view phase. We have been doing things like this in JSF 1.2 for years with no trouble.
> {code}
> <ui:include src="#{pageScopedComponent.viewId}" />
> {code}
> In JSF 2 the page will render, because the facelet isn't actually complied until the render phase on a GET. Then on postback the component is not found in the stateful page scope and then isn't created because the page scope is not active yet.
> I have made many attempts to debug this but I have run out of ideas. I'm thinking this is a bug so I am posting it here. But if someone can give me some fresh ideas on where to look, I will keep digging.

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