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From "Leonardo Uribe (JIRA)" <...@myfaces.apache.org>
Subject [jira] Commented: (TOMAHAWK-1494) HtmlMessageRenderer evaluates value expressions of not rendered components
Date Sat, 01 May 2010 02:52:55 GMT

    [ https://issues.apache.org/jira/browse/TOMAHAWK-1494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12862962#action_12862962
] 

Leonardo Uribe commented on TOMAHAWK-1494:
------------------------------------------

I have attached a patch of this one. If no objections I'll commit this patch soon.

> HtmlMessageRenderer evaluates value expressions of not rendered components
> --------------------------------------------------------------------------
>
>                 Key: TOMAHAWK-1494
>                 URL: https://issues.apache.org/jira/browse/TOMAHAWK-1494
>             Project: MyFaces Tomahawk
>          Issue Type: Bug
>          Components: Message(s)
>    Affects Versions: 1.1.9
>         Environment: tomahawk12_1.1.9, 
> myfaces 1.2.8,
> richfaces 3.3.3
> jsp
>            Reporter: Michael Heinen
>            Assignee: Leonardo Uribe
>            Priority: Critical
>         Attachments: TOMAHAWK-1494.patch
>
>
> I produced a validation error in an inputText field. This field ha a corresponding outputLabel
component.
> Now HtmlMessageRenderer creates a Map with all inputLabels, even if they are not rendered
at all.
> This can result in exceptions because the value attribute of not rendered and not initialized
components is evaluated!
> Sample content:
> <t:div rendered="false">
>   <t:outputLabel id="abcabcLbl"  for="abcabc" value="#{MyController.testme} "/>
>   <t:inputText id="abcabc" value="#{requestScope['test222']}"/>
> </t:div>
> Method MyController.getTestme() is called if messages are rendered although the parent
div component has attribute rendered=false
> proposed fix:
>   if (root.isRendered()) 
> should be added to method createOutputLabelMap.
> Components should not be checked recursively if the root is not rendered at all.

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