I've just run into this problem again and am posting back here so I don't
forget again.
When trying to delete an entity that has existing relationships (eg. OneToMany)
you have to ensure that you clear the collection before removing the object.
eg:public void deleteGroup(Group group) {
|
| //where the relationship btw a 'User' and a 'Group' is maintained in a
'UserGroupList'
|
| group.getUserGroupLists().clear();
| entityManager.remove(group);
| }
Cheers,
Damian.
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