We also extensively use fetchgroups with the setting
<property name="openjpa.DetachState"
value="fetch-groups(DetachedStateField=false)"/>
and I never experienced such a problem.
Are you 100% sure that you have instantiated and populated the list before
saving? (We always initialize each list to an empty ArrayList, not sure if that
could be it.)
Could you try using DetachedStateField=false? We did have a few issues when
using DetachedStateField=true. From our issue tracker I can see that we had a
failing test where a transaction saw stale data in the list when objects in the
list were updated in a different earlier transaction.
Additionally we use the option <property name="openjpa.AutoDetach"
value="commit" />, not sure if this matters.
Good luck,
Henno
-----Oorspronkelijk bericht-----
Van: Guillaume Chauvet [mailto:guillaume.chau...@qualiformed.com]
Verzonden: donderdag 4 april 2013 16:48
Aan: users@openjpa.apache.org
Onderwerp: Re: FetchPlan/FetchGroup behaviour
I've found an old unanswered ticket on the JIRA who described the same
behaviour [1]...
[1] OPENJPA-1030 <https://issues.apache.org/jira/browse/OPENJPA-1030>
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