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Message-ID: <dc5d39030609111559y277b3b9ra7e05e86b27b7690@mail.gmail.com>
Date: Mon, 11 Sep 2006 18:59:44 -0400
From: "Dave Dombrosky" <dombrd@gmail.com>
To: cayenne-user@incubator.apache.org
Subject: Re: Exception with Tomcat's session restore capability
In-Reply-To: <6CBA1FAB-3B2B-4729-968A-BED9EFA6461F@objectstyle.org>
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References: <dc5d39030609111046q54214311s7fa06fffe4004f92@mail.gmail.com>
	 <B0FF1748-D658-44E4-92C5-F16EF923EE8A@objectstyle.org>
	 <dc5d39030609111422t9bf0b2fw34a6fa1484019416@mail.gmail.com>
	 <0CF871F4-9CE3-46EB-B074-6BCF54FCD39C@objectstyle.org>
	 <dc5d39030609111432rb2ac4b0w75c4658128a3d5b9@mail.gmail.com>
	 <6CBA1FAB-3B2B-4729-968A-BED9EFA6461F@objectstyle.org>

Andrus,

I am happy to report that your fix worked!  I will be happy to add it
in JIRA now.  Thanks.

-Dave

On 9/11/06, Andrus Adamchik <andrus@objectstyle.org> wrote:
> Then I misunderstood - the NPE happens not during deserialization,
> but actually later when you access those objects from within a user
> request thread. Never mind...
>
> Now looking at the code, I tend to think this is a bug in Cayenne.
>
>      public DataChannel getChannel() {
>          return channel;
>      }
>
> should be
>
>      public DataChannel getChannel() {
>          awakeFromDeserialization();
>          return channel;
>      }
>
> Could you confirm that? If that happens to be the case, I'd
> appreciate entering a bug report. Also as a temp workaround until we
> fix it you can call "dataContext.getEntityResolver()" at the
> beginning of the request, as it calls 'awakeFromDeserialization'
> internally.
>
> Andrus
>
>
> On Sep 11, 2006, at 5:32 PM, Dave Dombrosky wrote:
>
> > No, I have no custom Cayenne code.  I haven't even extended the
> > auto-generated DataObject classes.
> >
> > -Dave
> >
> > On 9/11/06, Andrus Adamchik <andrus@objectstyle.org> wrote:
> >>
> >> On Sep 11, 2006, at 5:22 PM, Dave Dombrosky wrote:
> >>
> >> > Andrus,
> >> >
> >> > Those are the only objectstyle lines in the stack trace.  The next
> >> > line up is my code calling a "get" method on a DataObject
> >> property, so
> >> > I'm not sure how seeing my code would be useful.
> >> >
> >> > -Dave
> >>
> >> Ok. That sort of answers my question. Your code tries to access
> >> object state on deserialization - this is the problem. Do you have
> >> custom readObject(..) implemented?
> >>
> >> Andrus
> >>
> >>
> >
>
>