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https://issues.jboss.org/browse/RF-12442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12715246#comment-12715246
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Dupont Dupont commented on RF-12442:
------------------------------------
Found the root cause of the error :
* a4j:commandButton uses js method RichFaces.ajax.
* RichFaces.ajax calls Mojarra's jsf.ajax.request with render option set to
'@component'.
when ajax response comes back, Mojarras's doUpdate method iterates on render
option to check if any value correspond to a DOM form. If true, then it updates
javax.faces.ViewState.
Since RF valorizes render option to '@component', Mojarra doesn't find any
corresponding form element and javax.faces.ViewState isn't set.
See forum for more info
> RF ajax rendering of content which contains another form
> (a4j:commandLink/Button doesn’t reacts at first click)
> ---------------------------------------------------------------------------------------------------------------
>
> Key: RF-12442
> URL: https://issues.jboss.org/browse/RF-12442
> Project: RichFaces
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Reporter: Dupont Dupont
>
> RF ajax rendering on another form doesn't work with
> a4j:commandButton/commandLink it removes javax.faces.ViewState input of the
> second form.
> This results in a ghost click the first time I try to submit the second form
> after having submitted the first one.
> https://community.jboss.org/thread/204724 contains a sample project (see
> attached file in forum).
> Note : multiple form render works fine when using h:commandButton/commandLink
> with f:ajax.
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