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Hibernate version:
2.1.6
Mapping documents:
/**
* @hibernate.array
* cascade="all"
* @hibernate.collection-key
* column="FK_USER_ACTIVITY_ID"
* @hibernate.collection-one-to-many
* class="Activity"
* @hibernate.collection-index
* column="ACTIVITY_INDEX"
*/
Code between sessionFactory.openSession() and session.close():

Full stack trace of any exception that occurs:
org.apache.commons.beanutils.NestedNullException:

Name and version of the database you are using:
mySQL 4.1



After deleting the child Activity the link from parent to child is still not removed.... For example if the parent has 4 children then I remove one child in the database and set the deleted child to null and save the parent and try to reload the parent I still get 4 children... It is much simpler using List but my goal is to use array object and not List. Please help....

there is a bug in your code. But you don't show it... Try to simplify your pb in a simple testcase

UserActivity object has one-to-many relationship with Activity object (children)....

This are the steps I did in saving my UserActivity method:
1) removeMarkDeletedActivity(userActivity);
2) dao.saveUserActivity(userActivity); // save my
3) return this.getUserActivity(userActivity.getUserActivityId()); // retrieve the object again here....


inside removeMarkDeletedActivity():
List list = new ArrayList();
ActivityVO[] activity = userActivity.getDailyActivities();
for (int i=0; i < activity.length; i++)
{
if (activity[i] != null && activity[i].isMarkDeleted())
{
list.add(activity[i]);
activity[i] = null;
}
}

// Delete activities
dao.removeUserActivityChild(list); //<-- this will delete activity object

--------- end of my removeMarkDeletedActivity() ------


Should I recreate my array before saving instead of leaving it blank?
Thanks for your reply emmanuel :)