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not-null property references a null or transient value

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dekad

Post subject: not-null property references a null or transient value

Posted: Tue Feb 16, 2010 8:46 pm

Newbie

Joined: Tue Feb 16, 2010 8:32 pm
Posts: 7

Hi,
ENV: Netbeans 6.8, Java Swing app
I have changed the JPA provider from EclipseLink 2 to Hibernate 3.2.5 and now the message below is displayed when the bid is persisted.

Code:

Exception in thread "AWT-EventQueue-0" javax.persistence.PersistenceException: org.hibernate.PropertyValueException: not-null property references a null or transient value: com.az.paystation.model.Bid.bidderNumber

Code:

entityManager.persist(bid);

Here is the column

Code:

    @Column(name = "BIDDER_NUMBER", nullable = false, length = 30)
    private String bidderNumber;

Is it possible to turn off the checking until the transaction is committed?

Thanks

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pb00067

Post subject: Re: not-null property references a null or transient value

Posted: Wed Feb 17, 2010 4:00 am

Expert

Joined: Tue Jun 16, 2009 3:36 am
Posts: 990

I don't know if you can postpone the null-checking to flush/commit.
But you can disable null-checking at all by configuration

Code:

hibernate.check_nullability=false

an let the database do the check.
Background: usually nullable = false fields are mapped on database schema as not nullable
so the database does this check also.

N.B.: Can you please post the whole stacktrace of your org.hibernate.PropertyValueException

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