Re: [eclipselink-users] Cascade REMOVE

[Ellen Kraffmiller <ekraffmiller@xxxxxxxxxxxxxxxx>]

I  did more testing, and the problem occurs only if I update the entity 
before removing it.  I will log the bug with an example.
Thanks,
Ellen

James Sutherland wrote:

> Are there any other relationships in these two objects?  It could be some
> sort of cyclic dependency.
>
> If not, then please log the bug, and include as much information as
> possible. (stack, SQL, remove code)
>
>
>
> Ellen Kraffmiller wrote:
>  
>
> > I'm running into another problem with EclipseLink in Glassfish - when I 
> > delete an Entity that has a collection defined with a OneToMany 
> > relationship, cascade REMOVE doesn't seem to be working.  The delete 
> > throws a foreign key violation error because the dependent entity is not 
> > deleted.  Here is a code snippet:
> >
> > @Entity
> > public class Study implements java.io.Serializable {
> > ...
> >  @OneToMany(mappedBy="study", cascade={CascadeType.REMOVE, 
> > CascadeType.MERGE, CascadeType.PERSIST})
> >    private java.util.List<StudyAuthor> studyAuthors;
> > ...
> > }
> >
> > @Entity
> > public class StudyAuthor implements java.io.Serializable {
> > ...
> >    @ManyToOne
> >    private Study study;
> > ...
> > }
> >
> > This same code is working when I use TopLink Essentials.  Before 
> > entering a bug I just wanted to check if there is some configuration 
> > issue that may be causing this.
> > Thanks,
> > Ellen
> >
> >    
>
>
> -----
> ---
> http://wiki.eclipse.org/User:James.sutherland.oracle.com James Sutherland 
> http://www.eclipse.org/eclipselink/
> EclipseLink ,  http://www.oracle.com/technology/products/ias/toplink/
> TopLink 
> Wiki:  http://wiki.eclipse.org/EclipseLink EclipseLink , 
> http://wiki.oracle.com/page/TopLink TopLink 
> Forums:  http://forums.oracle.com/forums/forum.jspa?forumID=48 TopLink , 
> http://www.nabble.com/EclipseLink-f26430.html EclipseLink 
> Book:  http://en.wikibooks.org/wiki/Java_Persistence Java Persistence 
>