Ryan:
In your example, did you use:
FacesContext.renderResponse();
after your FacesMessage and within the catch statement or outside the
catch statement?
Thanks,
--Todd
-----Original Message-----
From: Ryan.Lubke_at_Sun.COM [mailto:Ryan.Lubke_at_Sun.COM]
Sent: Friday, March 16, 2007 12:15 AM
To: users_at_javaserverfaces.dev.java.net
Subject: Re: I don't understand why I can't use a FacesMessage within a
catch statement in a Backing Bean?
Todd Patrick wrote:
> What I have is the following:
>
> <h:commandButton id="freesearchBtn"
> value="#{common.labelBtnSearch}"
> actionListener="#{tbrowser.doFreeFormSearch}"/>
>
> Calling:
>
> public void doFreeFormSearch(ActionEvent event) {
> FacesContext facesContext = FacesContext.getCurrentInstance();
> FacesMessage message = new FacesMessage();
>
> ...
>
> try {
>
> ...
>
> } catch (MyException e) {
> message.setSeverity(FacesMessage.SEVERITY_ERROR);
> message.setSummary("No results found.");
>
> facesContext.addMessage(null, message);
> facesContext.renderResponse();
>
> logger.error("My Exception:", e);
>
>
> I don't have an action on the h:commandButton.
>
> I just don't understand that when I debug the backing bean, it steps
> into the catch statement, nothing errors... no server.log messages or
> anything.
>
> But the <h:messages/> doesn't render.
>
I'm going to agree with Mike on this. It would be useful to have a
repro.
As a sanity check I created a simple repro based on the info above and
all works fine.
> Thanks,
>
> --Todd
>
> -----Original Message-----
> From: Michael Youngstrom [mailto:youngm_at_gmail.com]
> Sent: Wednesday, March 14, 2007 6:16 PM
> To: users_at_javaserverfaces.dev.java.net
> Subject: Re: Re: I don't understand why I can't use a FacesMessage
> within a catch statement in a Backing Bean?
>
> So by "redisplaying the page" you're saying you either don't have an
> action attribute on your command component or the action you are
> specifying is mapped to a navigation case without a <redirect/> tag on
> it.
>
> If you're not redirecting then I'm out of ideas. :) Perhaps you can
> attach as simple .war that duplicates the problem?
>
> Mike
>
> On 3/14/07, Todd Patrick <Todd.Patrick_at_dtn.com> wrote:
>
>> No.
>>
>> I am redisplaying the page.
>>
>> Thanks,
>>
>> --Todd
>>
>> -----Original Message-----
>> From: Michael Youngstrom [mailto:youngm_at_gmail.com]
>> Sent: Wednesday, March 14, 2007 12:35 PM
>> To: users_at_javaserverfaces.dev.java.net
>> Subject: Re: I don't understand why I can't use a FacesMessage within
>> a catch statement in a Backing Bean?
>>
>> Are you doing a redirect when rendering the new page by chance?
>>
>> On 3/14/07, Todd Patrick <Todd.Patrick_at_dtn.com> wrote:
>>
>>> JSF 1.2_04
>>> Sun Java System Application Server 9.0_01
>>>
>>> I don't understand why I can't use a FacesMessage within a catch
>>> statement in a Backing Bean?
>>>
>>> For example, in an event:
>>>
>>> public void doFreeFormSearch(ActionEvent event) {
>>> FacesContext facesContext =
>>>
> FacesContext.getCurrentInstance();
>
>>> FacesMessage message = new FacesMessage();
>>>
>>> ...
>>>
>>> try {
>>>
>>> ...
>>>
>>> } catch (MyException e) {
>>> message.setSeverity(FacesMessage.SEVERITY_ERROR);
>>> message.setSummary("No results found.");
>>>
>>> facesContext.addMessage(null, message);
>>> facesContext.renderResponse();
>>>
>>> logger.error("My Exception:", e);
>>>
>>>
>>> On my JSP page, I have:
>>>
>>> <h:messages/>
>>>
>>> When I catch MyException, the error message *is* written to my
>>> server.log file, but the h:messages component is never rendered?
>>>
>>> I step through this in Netbeans 5.5 and the FacesMessage is added to
>>>
>
>
>>> the FacesContext.
>>>
>>> How do I use FacesMessage correctly with a try/catch statement?
>>>
>>> (I've fought this for over a day now.)
>>>
>>> Thanks,
>>>
>>> --Todd
>>>
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