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From "Dennis Byrne" <den...@dbyrne.net>
Subject Re: Urgent! Problems with type check for *Listener
Date Wed, 22 Feb 2006 17:06:04 GMT
Nice catch Mario.  Please comment out this code if you have not already.  As well as reopen
the JIRA issue it is associated with.

Dennis Byrne

>-----Original Message-----
>From: Mario Ivankovits [mailto:mario@ops.co.at]
>Sent: Wednesday, February 22, 2006 05:14 AM
>To: 'MyFaces Development'
>Subject: Urgent! Problems with type check for *Listener
>
>Hi!
>
>In UIComponentTagUtils the "Void"-check for the return-type of the
>listener cant be evaluated e.g. within an dataTable - or any other
>component using a var= attribute.
>This is due to the fact that the var= attribute hasnt processed so far
>and thus the getType() cant find the method (base is null)
>
>javax.faces.el.EvaluationException: Cannot get type for expression
>#{newPrm.changeFieldEnabledListener}
>        at
>org.apache.myfaces.el.MethodBindingImpl.getType(MethodBindingImpl.java:101)
>        at
>org.apache.myfaces.taglib.UIComponentTagUtils.setValueChangedListenerProperty(UIComponentTagUtils.java:318)
>        at
>org.apache.myfaces.taglib.UIComponentTagBase.setValueChangedListenerProperty(UIComponentTagBase.java:187)
>        at
>org.apache.myfaces.taglib.html.HtmlInputTagBase.setProperties(HtmlInputTagBase.java:60)
>        at
>org.apache.myfaces.taglib.html.HtmlSelectMenuTagBase.setProperties(HtmlSelectMenuTagBase.java:87)
>        at
>javax.faces.webapp.UIComponentTag.findComponent(UIComponentTag.java:574)
>        at
>javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:312)
>        at
>
>
>What to do now?
>I think the first thing to do is to remove these checks, later we can
>find a better approach.
>
>I guess the check can only be done when it will be fired (if possible
>then) as the var= will only be available during encoding or decoding the
>component.
>
>---
>Mario
>
>



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