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From Marcus Büttner ...@buett.at>
Subject Re: Problem with Ajax and ViewScope
Date Fri, 02 Jul 2010 08:11:41 GMT
Hi Werner,

I tested the problem with newest snapshot from today and it works. It 
looks like it was a temporary bug in the trunk. ;-)

Thx for your help!

Marcus

Werner Punz schrieb:
> Ok I gave the example a testrun and could not reproduce the problem 
> anymore, I assume one of following issues
>
> a) It was a temporary bug in the trunk (I did an svn update on the 
> latest codebase to check)
>
> b) You might have forgotten to make the ViewScoped bean serializable.
> (In which case the latest trunk issues an error and the latest ajax 
> scripts as well)
>
> c) Your event handlers supress the phases
>
> In either case with a stock serializable page scoped bean thew
> example works as expected. I have closed the issue for now, please 
> give me notice if the latest trunk works for you, if not we will 
> investigate a little bit more.
>
> Werner
>
>
>
>
> Am 29.06.10 12:56, schrieb Marcus Büttner:
>> Thx for your response. I created an issue.
>>
>> https://issues.apache.org/jira/browse/MYFACES-2776
>>
>> Marcus
>>
>> Werner Punz schrieb:
>>> Hi there is some optimization work going on currently on the
>>> viewstate, you might have triggered a bug in the trunk, can you file a
>>> jira issue on this one?
>>>
>>>
>>> Werner
>>>
>>>
>>> Am 29.06.10 11:05, schrieb Marcus Büttner:
>>>> Hi,
>>>>
>>>> a small example with two input fields, both with 
>>>> valueChangeListener and
>>>> a f:ajax for rerendering the output field:
>>>>
>>>> <h:form id="myForm">
>>>> <h:outputLabel for="val1" value="Value1"/>
>>>> <h:inputText id="val1"
>>>> value="#{myBean.val1}"
>>>> valueChangeListener="#{myBean.val1ChangedListener}">
>>>> <f:ajax render="myText" event="change" />
>>>> </h:inputText>
>>>>
>>>> <h:outputLabel for="val2" value="Value2"/>
>>>> <h:inputText id="val2"
>>>> value="#{myBean.val2}"
>>>> valueChangeListener="#{myBean.val2ChangedListener}">
>>>> <f:ajax render="myText" event="change" />
>>>> </h:inputText>
>>>>
>>>> <h:outputText id="myText" value="#{myBean.val1} #{myBean.val2}"/>
>>>> </h:form>
>>>>
>>>> Everything works fine, until my Bean is ViewScoped. Every time I 
>>>> change
>>>> a value in the input fields, this value is rendered in my output. But
>>>> all changes before are lost.
>>>> E.g.
>>>> change value1 to "value1" causes output = "value1"
>>>> change value2 to "value2" causes output = "value2" (but it should be:
>>>> "value1 value2")
>>>>
>>>> I've debugged and found, that in restoreView always the first 
>>>> ViewState
>>>> (which was active after entering the page) is restored. It looks like,
>>>> the javax.faces.ViewState component in html DOM tree is not updated by
>>>> an ajax request and so always the first ViewState is restored 
>>>> instead of
>>>> the last.
>>>>
>>>> I'm using the last MyFaces Snapshot (2.0.1-SNAPSHOT).
>>>>
>>>> Does anyone has an idea? Or is something wrong in my code?
>>>>
>>>> Thx for help.
>>>>
>>>> Regards Marcus
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>


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