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N8chtschwaermer
 Post subject: replicate() - null identifier
PostPosted: Sat Jan 31, 2004 5:03 pm 
Beginner
Beginner

Joined: Thu Nov 20, 2003 12:29 pm
Posts: 39
Hello,
what i'm needing is something like deep cloning for hibernate objects with large object graphs.

replicate(object,ReplicationMode.EXCEPTION) works, if i replicate a previously persisted object.

But for a previously persisted object with some new "childs", it throws an
null identifier AssertionFailure :

Code:
net.sf.hibernate.AssertionFailure: null identifier
        at net.sf.hibernate.engine.Key.<init>(Key.java:22)
        at net.sf.hibernate.engine.Key.<init>(Key.java:32)
        at net.sf.hibernate.impl.SessionImpl.replicate(SessionImpl.java:3712)
        at net.sf.hibernate.engine.Cascades$6.cascade(Cascades.java:147)
        at net.sf.hibernate.engine.Cascades.cascade(Cascades.java:436)
        at net.sf.hibernate.engine.Cascades.cascadeCollection(Cascades.java:526)
        at net.sf.hibernate.engine.Cascades.cascade(Cascades.java:452)
        at net.sf.hibernate.engine.Cascades.cascade(Cascades.java:503)
        at net.sf.hibernate.impl.SessionImpl.doReplicate(SessionImpl.java:1431)
        at net.sf.hibernate.impl.SessionImpl.replicate(SessionImpl.java:3705)


Plain, cause the new "childs" haven't an ID.
But is this wanted or is it a bug?
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gavin
 Post subject:
PostPosted: Sun Feb 01, 2004 4:31 pm 
Hibernate Team
Hibernate Team

Joined: Tue Aug 26, 2003 12:50 pm
Posts: 5130
Location: Melbourne, Australia
Well, the exception is an npe, which is certainly ugly - so i made a more informative exception.

replicate() is not really intended for saving new objects....
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