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From "Martin Marinschek" <martin.marinsc...@gmail.com>
Subject Re: [jira] Commented: (MYFACES-1110) findComponent return null for a valid clientId
Date Wed, 16 Aug 2006 08:28:10 GMT
Hi Harry,

can you tell me what you're trying to do - with a code snippet?

regards,

Martin

On 8/14/06, Harry Co (JIRA) <dev@myfaces.apache.org> wrote:
>     [ http://issues.apache.org/jira/browse/MYFACES-1110?page=comments#action_12427928
]
>
> Harry Co commented on MYFACES-1110:
> -----------------------------------
>
> Hi Martin,
>
> I'm facing the same issue using my-faces 1.1.3.
> Is thios definitely fixed in a release or do I need a patch?
> I've gone the code and found out the indexed id for row in the datatable are not well
used when trying to get back the component.
>
> TIA for your help.
>
> Harry Co.
>
> > findComponent return null for a valid clientId
> > ----------------------------------------------
> >
> >                 Key: MYFACES-1110
> >                 URL: http://issues.apache.org/jira/browse/MYFACES-1110
> >             Project: MyFaces Core
> >          Issue Type: Bug
> >          Components: General
> >    Affects Versions: 1.1.2-SNAPSHOT
> >         Environment: JBoss 4.0.3, XP
> >            Reporter: Dave
> >         Assigned To: Martin Marinschek
> >            Priority: Critical
> >
> > In a PhaseListener, first get all the clientId(s) with queued messages, then try
to find the components. But ViewRoot.findComponent(clientId) return null.
> >
> > public void beforePhase(PhaseEvent event) {
> >     FacesContext context = event.getFacesContext();
> >     UIViewRoot root = context.getViewRoot();
> >     Iterator<String> itr = context.getClientIdsWithMessages();
> >     while (itr.hasNext()) {
> >       String clientId = itr.next();
> >       UIComponent component = root.findComponent(clientId);
> >       // ERROR: component is null
> >       ....
> >     }
> > }
> > From debugger, clientId is
> > emp:empForm:empTable:1:salary:_idJsp144
> > The clientId is returned from context.getClientIdsWithMessages();
> > It must be valid, but root.findComponent() returns NULL.
> > JSF should have the following API
> > FacesContext.getComponentsWithMessages();
> > which is better than getClientIdsWithMessages();
>
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>


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