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https://issues.apache.org/jira/browse/MYFACES-2399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12777191#action_12777191
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Jakob Korherr commented on MYFACES-2399:
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But can we be sure that we get the right UIViewRoot instance with this way? 
What if someone stored a reference to another UIViewRoot in a managed bean and 
than calls getViewMap().clear()? In such a scenario we would provide a wrong 
instance of UIViewRoot, ain't we?

However, FacesContext.getCurrentInstance() can/could be used.

> ManagedBeanResolver does not handle view scope
> ----------------------------------------------
>
>                 Key: MYFACES-2399
>                 URL: https://issues.apache.org/jira/browse/MYFACES-2399
>             Project: MyFaces Core
>          Issue Type: Task
>          Components: JSR-314
>    Affects Versions: 2.0.0-alpha
>            Reporter: Jakob Korherr
>         Attachments: view_scope.patch, view_scope_newest.patch
>
>
> Testing the mojarra-example "custom-tag", I ran into the following Exception:
> 06.11.2009 12:29:18 
> org.apache.myfaces.el.unified.resolver.ManagedBeanResolver putInScope
> SCHWERWIEGEND: Managed bean 'data' has illegal scope: view
> The managed bean "data" is annotated with @ViewScoped, but the 
> ManagedBeanResolver does not know this scope.

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