On the surface looks like some (de)serialization issue. Although that
doesn't make much sense, as RelationshipFault.relationshipOwner is not
transient and can't be reset to null easily. The best bet is to run
this in debugger to get a better picture of what's going on with your
objects.
Andrus
On Jan 5, 2010, at 10:13 PM, Marek Šabo wrote:
> Hi all,
>
> is there any way that a dataobject could expire? I mean i'm storing
> user's settings dataobject in session and after a while, say max 5
> min. when I try to submit a form that binds this data as foreign key
> I got a nullpointer exception from setting up that relationship. I
> think it does't expire in session because I'm still logged in and
> only way is to logout and login back to have the setting reloaded
> from database. Appending end of stacktrace:
>
> at
> org
> .apache
> .cayenne
> .util.RelationshipFault.isTransientParent(RelationshipFault.java:70)
> at
> org
> .apache
> .cayenne.util.PersistentObjectList.isFault(PersistentObjectList.java:
> 75)
> at
> org
> .apache
> .cayenne.util.PersistentObjectList.add(PersistentObjectList.java:125)
> at
> org
> .apache
> .cayenne.CayenneDataObject.addToManyTarget(CayenneDataObject.java:282)
> at
> org
> .apache
> .cayenne
> .CayenneDataObject.setReverseRelationship(CayenneDataObject.java:364)
> at
> org
> .apache
> .cayenne.CayenneDataObject.setToOneTarget(CayenneDataObject.java:315)
>
> Thanks for any ideas,
>
> Regards
>
> --
> Marek Šabo
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