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https://issues.apache.org/jira/browse/ADFFACES-420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adam Winer reassigned ADFFACES-420:
-----------------------------------
Assignee: Adam Winer
> Give better error message when UIXComponentTag is used without <f:view>
> -----------------------------------------------------------------------
>
> Key: ADFFACES-420
> URL: https://issues.apache.org/jira/browse/ADFFACES-420
> Project: MyFaces ADF-Faces
> Issue Type: Improvement
> Components: Components
> Affects Versions: 2.0.0-incubating-core-SNAPSHOT,
> 1.0.1-incubating-core-SNAPSHOT, 1.0.0-incubating-core
> Reporter: Adam Winer
> Assigned To: Adam Winer
>
> When you omit <f:view> on a page, you get an exception along the following
> lines:
> java.lang.ClassCastException: javax.faces.component.UIViewRoot
> at
> org.apache.myfaces.trinidad.webapp.UIXComponentELTag.setProperties(UIXComponentELTag.java:99)
>
> (this in the 1.2 branch, where we have a UIXComponentELTag.) The problem is
> that
> the underlying UIComponentTag has actually associated itself with the
> UIViewRoot, since
> it's the first component in a page, and passed that to setProperties(), where
> we try
> to cast it to UIXComponent. Bad. We should detect UIViewRoots and throw a
> meaningful exception, something like:
> "<f:view> was not present on page: tag XXXX encountered without an
> <f:view>"
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