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https://issues.apache.org/jira/browse/MYFACES-3299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13427236#comment-13427236
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Kennard Consulting commented on MYFACES-3299:
---------------------------------------------
Okay it looks like MyFaces determines 'if a JSF 303 engine is present' by
doing...
Class.forName( "javax.validation.Validation" )
...in javax.faces.validator._ExternalSpecifications
> Programmatically generated components do not register with Bean Validation
> --------------------------------------------------------------------------
>
> Key: MYFACES-3299
> URL: https://issues.apache.org/jira/browse/MYFACES-3299
> Project: MyFaces Core
> Issue Type: Bug
> Reporter: Kennard Consulting
> Attachments: jsf-validation.zip
>
>
> I am having problems using MyFaces with Bean Validation.
> I am not clear what the JSF spec means, but it says "Consider a simple web
> application that has one page, written in Facelets for JSF 2, that has a
> several text fields inside of a form. This application is running in a JSF
> runtime in an environment that does require JSR 303 Bean Validation, and
> therefore this feature is available. Assume that every text field is bound to
> a managed bean property that has at least one Bean Validation constraint
> annotation attached to it. During the render response phase that always
> precedes a postback, due to the specification requirements in Section 3.5.3
> "Validation Registration", every UIInput in this application has an instance
> of Validator with id javax.faces.Bean attached to it".
> George Gastaldi and I have created a sample application (attached) that
> demonstrates several ways of creating a simple input text bound to Bean
> Validation. This must be deployed to a Java EE 6 container (we tested against
> JBoss AS 6). You will note the first two pages (Normal Facelets form, Binding
> Component) work fine. When you click 'Click Me' to POSTback, Bean Validation
> is invoked and a validation error is displayed.
> The second two pages (Dynamic Component, Dynamic Component (with Metawidget))
> do not work as expected. They both use PreRenderViewEvent to create the
> inputText programmatically. The spec is unclear whether we're meant to
> explicitly add a javax.faces.Bean validator in this case? The way I read
> section 3.5.3, I don't think we do, but it doesn't work without it?
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