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References: <31311811.post@talk.nabble.com>
From: "Scott O'Bryan" <darkarena@gmail.com>
In-Reply-To: <31311811.post@talk.nabble.com>
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Date: Mon, 4 Apr 2011 09:55:00 -0600
Message-ID: <-4828457968363524312@unknownmsgid>
Subject: Re: [Trinidad] NullPointerException when calling returnFromDialog
To: MyFaces Discussion <users@myfaces.apache.org>
Content-Type: text/plain; charset=ISO-8859-1

This would likely be a trinidad issue.  Have you tried the latest
Trinidad 1.2 release?

Sent from my iPhone

On Apr 4, 2011, at 12:57 AM, Jhoanna <Jhoanna.Lao@osr.nsw.gov.au> wrote:

>
> Hi,
>
> I have a window that opens another window which then opens another window
> (Window 3). When I'm trying to call returnFromDialog from Window 3, it
> sometimes throws a NullPointerException on this line:
>
> java.lang.NullPointerException
> at
> org.apache.myfaces.trinidadinternal.context.PageFlowScopeMap.discard(PageFlowScopeMap.java:341)
> at
> org.apache.myfaces.trinidadinternal.context.PageFlowScopeProviderImpl.popPageFlowScope(PageFlowScopeProviderImpl.java:106)
> at
> org.apache.myfaces.trinidadinternal.context.RequestContextImpl.returnFromDialog(RequestContextImpl.java:125)
>
> The NullPointerException is being thrown from this line:
> _sharedData._parent._sharedData._children.removeOldEntry(childToken,
> storeMap);
> because the children attribute is null.
>
> I tried to debug the code and whenever I have my breakpoint on this line, I
> am able to replicate this exception.
>
> What I have found so far is that the returnFromDialog creates a new request
> to close the window. This new request is setting the children attribute to
> null in the getToken() method. Whenever the children attribute is nulled
> before the removeOldEntry is called from the discard() method, I get the
> NullPointerException.
>
> Is this a JSF bug or is there something I'm doing wrong with the dialogs?
>
> I am currently using Trinidad 1.2.7.
>
> Regards,
> Jhoanna
>
> --
> View this message in context: http://old.nabble.com/-Trinidad--NullPointerException-when-calling-returnFromDialog-tp31311811p31311811.html
> Sent from the MyFaces - Users mailing list archive at Nabble.com.
>