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Posted by / 23-Jul-2017 19:20

Hibernate onetomany not updating

Updating the NULL value to 0 in the database corrected this.

The set New Password() method creates a Password History record and adds it to the history collection in User.

The trick is to ensure that the ID and VERSION in the referenced object is set so that Hibernate does not think that the referenced object is a new object that needs saving. Look through all of the relationships in the class you are saving to work out the associated objects (and the associated objects of the associated objects) and ensure that the ID and VERSION is set in all objects of the object tree. This happens if, for example, the id of the associated object is not included (e.g. Hibernate has no way of identifying the associated entity, so it wants to save it.

This occurred for me when persisting an entity in which the existing record in the database had a NULL value for the field annotated with @Version (for optimistic locking).

This happens because you have a collection in your entity, and that collection has one or more items which are not present in the database.

By specifying the above options you tell hibernate to save them to the database when saving their parent. I've encountered circumstances where I've had collections that I wanted to manage manually because of their size, or because of business rules that don't allow all objects in a collection to get saved at the same time.

User Profile; import com.websystique.springmvc.service. User Service; @Service("custom User Details Service") public class Custom User Details Service implements User Details Service package com.websystique.springmvc.security; import org.springframework.context. Session Factory; import org.springframework.beans.factory.annotation. Autowired; import org.springframework.context.annotation. Bean; import org.springframework.context.annotation. Component Scan; import org.springframework.context.annotation. Configuration; import org.springframework.context.annotation.

Temporal Type; @Entity @Table(name="PERSISTENT_LOGINS") public class Persistent Login implements Serializable package com.websystique.springmvc.security; import In order to manage the size of the post, i have skipped the textual descriptions of some basic stuff. In case you are interested in those details, this ,this & this post will help you. Since the create() statement hadn't been executed yet for the parent, it was trying to save to a collection of an entity that hadn't yet been created.All I had to do to fix it was to move the set New Password() call after the call to create().

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Role role = new Role(); Available(true); Description("a test role"); Role("admin"); Listis 100% correct, the Cascade.

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