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

Marek Novotny (JIRA) jira-events at lists.jboss.org
Mon Mar 19 18:40:48 EDT 2012

     [ https://issues.jboss.org/browse/JBSEAM-4898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marek Novotny updated JBSEAM-4898:

    Priority: Blocker  (was: Major)

This issue is very important to resolve, because it is related to changed workflow in JSF2 RestoreView phase. Moving logic from SeamPhaseListener.afterRestoreView to SeamPhaseListener.beforeRestoreView is basically correct like original attached patch suggested, but enabling conversation for RESTORE_VIEW is not enough. I will dig deeper to fixed it completely.
> 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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