[jira] Created: (MYFACES-1499) does not invoke action even if goBackAction is set.

["Thorbjørn Ravn Andersen (JIRA)" <de...@myfaces.apache.org>]

<h:commandButton ... rendered="#{not empty OrderStatusBean.goBackAction}"/> does not invoke action even if goBackAction is set.
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                 Key: MYFACES-1499
                 URL: http://issues.apache.org/jira/browse/MYFACES-1499
             Project: MyFaces Core
          Issue Type: Bug
    Affects Versions: 1.1.4
            Reporter: Thorbjørn Ravn Andersen


The situation is that I have a button that should only be shown when the goBackAction field is set in the OrderStatusBean (which is _request_ scoped), and which is kept as a hidden field in the form.  I can print out the field which has the expected value of "succesfulOrder".

Problematic code:

1)
<h:commandButton action="#{OrderStatusHandler.goBack}" value="#{msg['go-back']}" rendered="#{not empty OrderStatusBean.goBackAction}"/>

2)
<h:commandButton action="#{OrderStatusHandler.goBack}" value="#{msg['go-back']}" />

Of these #2 works as expected (but always show the button), and #1 shows as expected but does not call the listed action.

I tried adding the immediate="true" option to #1, but with no change.

I have not seen any log lines indicating that a navigational choice was made after pressing the button, so my guess is that the button is considered to be unavailable at processing time and therefore discarded, so the page is merely redisplayed.

Is it legal at all to do what I would like to, or should I go for a session based variable instead?





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