Re: Exception with Tomcat's session restore capability

From: Dave Dombrosky (dombr..mail.com)
Date: Mon Sep 11 2006 - 18:59:44 EDT

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    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 <andru..bjectstyle.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 <andru..bjectstyle.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
    > >>
    > >>
    > >
    >
    >



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