gennad gennad - 11 days ago 6
Java Question

Hibernate: How to fix "identifier of an instance altered from X to Y"?

org.hibernate.HibernateException: identifier of an instance
of org.cometd.hibernate.User altered from 12 to 3


in fact, my
user
table is really must dynamically change its value, my Java app is multithreaded.
Any ideas how to fix it?

Answer

Are you changing the primary key value of a User object somewhere? You shouldn't do that. Check that your mapping for the primary key is correct.

What does your mapping XML file or mapping annotations look like?

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