'java.lang.NullPointerException' while persisting an entity with an associated null embeddable in Hibernate

Environment

• Red Hat JBoss Enterprise Application Platform (EAP)
  • 7.2
  • 7.3

Issue

• An entity is defined with an optional association with an embeddable which has a @PreUpdate annotated method.

• When persisting an entity with a null embeddable, a NullPointerException is raised:

  ... java.lang.RuntimeException: java.lang.NullPointerException
  	at org.hibernate.jpa.event.internal.EmbeddableCallback.performCallback(EmbeddableCallback.java:48)
  	at org.hibernate.jpa.event.internal.CallbackRegistryImpl.callback(CallbackRegistryImpl.java:97)
  	at org.hibernate.jpa.event.internal.CallbackRegistryImpl.preCreate(CallbackRegistryImpl.java:57)
  	at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:112)
  	at org.hibernate.event.internal.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:192)
  	at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:135)
  	...
  

Resolution

This issue will be addressed in a future release¹.

Root Cause

This is a known defect (Content from hibernate.atlassian.net is not included.HHH-13110).

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