The fun thing is that fetchString doesn’t set val = null. But this could basically create the very same mem issues…
LieGrue, strub > Am 21.02.2015 um 15:47 schrieb Rick Curtis <curti...@gmail.com>: > >> I've checked the history of this very code and it seems to originate from > Kodo already... So I am a bit reluctant to touch it ;) > I noticed the same thing... > > On Fri, Feb 20, 2015 at 11:35 AM, Mark Struberg <strub...@yahoo.de> wrote: > >> My current problem is that we try to use the InverseManager with >> action==Exception (so only check if the bidirectional relations are >> properly set in our code). >> >> The use case is the following >> >> Partner has a 1:n Customer >> >> p1.addCustomer(customer1). >> >> in a later request >> >> p1.removeCustomer(customer1); >> >> and add it to ANOTHER partner >> p2.addCustomer(customer1). >> >> The partnerId in customer1 gets properly updated. >> >> What happens is that the InverseManager invokes >> SingleFieldManager#fetchObjectField(fmd.getIndex()); to get the oldValue of >> the field (and does checks on it). >> And this fetchObjectField call actualle ERASES the internal val in the >> SingleFieldManager. >> >> This makes OpenJPA later blow up as this field is not nullable... >> I've checked the history of this very code and it seems to originate from >> Kodo already... >> So I am a bit reluctant to touch it ;) >> >> LieGrue, >> strub >> >> >>> Am 20.02.2015 um 18:29 schrieb Rick Curtis <curti...@gmail.com>: >>> >>> I don't have an answer as to why we null the reference out. Can I get a >>> stacktrace for a bit of context? >>> >>> On Fri, Feb 20, 2015 at 10:02 AM, Mark Struberg <strub...@yahoo.de> >> wrote: >>> >>>> Does anyone have a clue or remember why the >>>> TransferFieldManager#fetchObjectField sets the val to null after >> returning >>>> it? >>>> >>>> >>>> The reason why I ask is that this currently creates an issue in the >>>> InverseManager for me. >>>> >>>> In InverseManager#storeField line 332 this 'destroys' the field sm as >> the >>>> val of it is null afterwards. And this subsequently creates an >>>> InvalidStateException in SingleFieldManager#preFlush line 567. >>>> >>>> >>>> Does anyone remember something about that? >>>> >>>> LieGrue, >>>> strub >>> >>> >>> >>> >>> -- >>> *Rick Curtis* >> >> > > > -- > *Rick Curtis*
