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Re: [eclipselink-users] Order of mapping initialization error in EclipseLink 2.3?
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I've attached the snippets to this mail. Sorry that the "add" log is so
huge. I was unsure of exactly where the important data starts and ends,
so I left it pretty much as-is so that there would be no missing
information.
Thanks for looking into this.
On 05/18/2011 02:07 PM, Tom Ware wrote:
Can you please turn on FINEST logging and send the snippet of logging
that occurs when you add ExecTestCasePO to a SpectTestCasePO and the
snippet of logging that occurs starting at the remove, through to the
exception.
- to set logging, set persistence unit property
eclipselink.logging.level to FINEST
Zeb Ford-Reitz wrote:
A description with some code is easier for the moment. I'm
experiencing the problem in the Eclipse project Jubula (see
https://bugs.eclipse.org/bugs/show_bug.cgi?id=345106), so maybe that
could count as a recreation (although it's far from small or
automated). We're using JPA 2.0 with annotations in an OSGi environment.
The root of a class hierarchy is the NodePO class, which has a
unidirectional list of children:
@ManyToMany(fetch = FetchType.EAGER,
cascade = CascadeType.ALL,
targetEntity = NodePO.class)
@JoinTable(name = "NODE_LIST",
joinColumns = @JoinColumn(name = "PARENT"),
inverseJoinColumns = @JoinColumn(name = "CHILD"))
@OrderColumn(name = "IDX")
List<INodePO> getHbmNodeList() {
return m_nodeList;
}
I am attaching an image of the class hierarchy for NodePO. In this
hierarchy are the classes SpecTestCasePO (NodePO -> ParamNodePO ->
TestCasePO -> SpecTestCasePO) and ExecTestCasePO (NodePO ->
ParamNodePO -> TestCasePO -> ExecTestCasePO). This is the multiple
levels of inheritance that I was talking about.
I can successfully add an ExecTestCasePO to a SpectTestCasePO's node
list and persist those changes. I can also successfully call
EntityManager.remove(). However, an attempt to commit the removal
causes a foreign key violation in NODE_LIST.
Thanks for your time. Please let me know if you need more information.
On 05/17/2011 08:03 PM, Tom Ware wrote:
I am not aware of an existing problem. Can you provide us with more
information? (ideally an recreation, but otherwise a description of
your class structure, the mappings and the code you are running)
Zeb Ford-Reitz wrote:
Hello,
I'm encountering a problem with EclipseLink 2.3 RC1 that I did not
encounter in EclipseLink 2.2.
The problem involves multiple levels of inheritance and
"preDeleteMappings". The resulting error is a foreign key violation
in a join table when committing the removal an entity with a
ManyToMany association.
The source of the problem seems to be missing preDeleteMappings,
which would remove the necessary entry from the join table before
removing the entity itself. Essentially, the order in which the
mappings are initialized (and post-initialized) causes several of
our entites to contain the preDeleteMappings from their
corresponding direct parents, but *not* from all of their ancestors.
Is this a known issue? If so, is it expected to be fixed in the
near future? If not, can anyone suggest a workaround?
Thanks for your time.
With best regards,
Zeb Ford-Reitz
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