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@OneToOne association with @JoinTable ignores optional attribute

Description

Entity A that contains:

@NotFound(action = NotFoundAction.IGNORE) @OneToOne(mappedBy = "a") private B b;

Entity B that contains:

@OneToOne @JoinTable(name = JOIN_TABLE, joinColumns = @JoinColumn(name = COLUMN_CASE_PRIMARY_KEY), inverseJoinColumns = @JoinColumn(name = COLUMN_CASE_PRIMARY_KEY_SIDE)) private A a;

Trying persist an object B with a = null causes the following exception

org.hibernate.PropertyValueException: not-null property references a null or transient value : at org.hibernate.engine.internal.Nullability.checkNullability(Nullability.java:92) at org.hibernate.action.internal.AbstractEntityInsertAction.nullifyTransientReferencesIfNotAlready(AbstractEntityInsertAction.java:115) at org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:69) at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:623)

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Mauro MolinariSeptember 3, 2019 at 3:16 PM

Thanks Vlad, I’m patching our Hibernate 4.3.11 artifact to backport this fix right now. I have to plan an upgrade to Hibernate 5.2.x and I can’t do it right now. I just wanted to mention here that the problem applies to the old version as well. And, IMHO, it’s quite severe, especially because I can’t think of an easy workaround (apart from changing our mappings, with all the consequences). Other suggestions welcome.

Vlad MihalceaSeptember 3, 2019 at 2:16 PM

Hibernate 4.x is a very old branch. It’s unlikely that bugs will be backported to it. So, you have two options:

  1. You can upgrade Hibernate and benefit from the fix

  2. You can backport the issue yourself to your own Hibernate fork and build your custom 4.3 artifact

  3. You can contact Red Hat support for a paid contract.

Mauro MolinariSeptember 3, 2019 at 1:33 PM

This also affects Hibernate 4.3.

Thierry MonneyOctober 18, 2017 at 11:26 AM

Are there any plans to backport this fix to versions 5.1.x and 5.0.x also?

Vlad MihalceaApril 11, 2017 at 9:51 AM

Applied PR upstream.

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Created March 28, 2017 at 9:00 AM
Updated September 3, 2019 at 3:16 PM
Resolved April 11, 2017 at 9:51 AM

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