Hi GAE team,
Any workarounds for this issue?
Thanks
On Feb 14, 8:55 am, Payam <pmoghad...@gmail.com> wrote:
> The problem is still not solved.
> Although you can "persist" an object with multiple relations of the
> same type. When you actually query the object, the retrieved object
> has duplicates for the multiple relations.
> As in, if I were to persist instances A, B inside C. When I query for
> C, both objects retrieved will be A. There will be no B.
>
> This is a serious bug!
>
> On Jan 26, 4:54 pm, oth <other...@gmail.com> wrote:
>
> > Michael,
>
> > In your jdoconfig.xml file add this entry:
>
> > <property
> > name="datanucleus.appengine.allowMultipleRelationsOfSameType"
> > value="true"/>
>
> > Thanks
>
> > On Jan 26, 3:12 pm, Michael Shtelma <mshte...@gmail.com> wrote:
>
> > > Hi all,
>
> > > I am also experiencing this problem on GAE 1.3.0.
> > > Using multipleRelationsOfSameTypeAreErrors helps not in all cases,
> > > when I am trying to read such entities I get mentioned exception.
> > > Are the any solution for the 1.3.0 ?
>
> > > Thanks,
> > > Michael
>
> > > On Jan 21, 9:20 am, cowper <iamco...@gmail.com> wrote:
>
> > > > Hi,
> > > > I have a similar issue with 1.3.0 however it arises when the types
> > > > are the same and not related to inheritance of any type.
>
> > > > The work around suggested doesn't seem to work. Is the workaround
> > > > valid for 1.3.0?
>
> > > > thx,
>
> > > > Conor
>
> > > > On Dec 4 2009, 9:52 pm, "Max Ross (Google)" <maxr
>
> > > > +appeng...@google.com> wrote:
> > > > > SDK 1.2.8 contains a new check that detects if one of your JDO or JPA
> > > > > model
> > > > > objects has two relationship fields of the same type. For example:
>
> > > > > class A {
> > > > > List<B> bList;
> > > > > List<B> anotherBList;
>
> > > > > }
>
> > > > > Unfortunately I was a little too aggressive with this check, so the
> > > > > following also run afoul of the check:
>
> > > > > abstract class B {}
>
> > > > > class C extends B {}
> > > > > class D extends B {}
>
> > > > > class A {
> > > > > List<C> cList:
> > > > > List<D> dList;
>
> > > > > }
>
> > > > > If you get an exception that says
>
> > > > > Class XXX has multiple relationship fields of type YYYY. This is not
> > > > > yet
> > > > > supported.
>
> > > > > and your class hierarchy resembles the one above, you can disable
> > > > > this check
> > > > > by with the following config property:
>
> > > > > <property
> > > > > name="datanucleus.appengine.multipleRelationsOfSameTypeAreErrors"
> > > > > value="true"/>
>
> > > > > We'll get this fixed shortly.
>
> > > > > Sorry for the trouble,
> > > > > Max
--
You received this message because you are subscribed to the Google Groups
"Google App Engine for Java" group.
To post to this group, send email to google-appengine-j...@googlegroups.com.
To unsubscribe from this group, send email to
google-appengine-java+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/google-appengine-java?hl=en.
