[Hibernate-issues] [Hibernate-JIRA] Created: (HB-472) Possible bug in AbstractEntityPersister

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Here is an overview of the issue:
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        Key: HB-472
    Summary: Possible bug in AbstractEntityPersister
       Type: Bug

     Status: Unassigned
   Priority: Major

    Project: Hibernate2
 Components: 
             core
   Versions:
             2.1 rc1

   Assignee: 
   Reporter: Benoit Menendez

    Created: Fri, 14 Nov 2003 10:42 PM
    Updated: Fri, 14 Nov 2003 10:42 PM

Description:
I know I shouldn't do this, but I am calling:

ClassPersister persister = getPersister(object);

Serializable identifier = persister.getIdentifier(object);

if (persister.isUnsaved(identifier)) ...

where object is declared to have an "assigned" id generator.

in AbstractEntityPersister.isUnsaved(Object object) the following lines:

...
if ( hasIdentifierPropertyOrEmbeddedCompositeIdentifier() ) {
    return unsavedIdentifierValue.isUnsaved( getIdentifier(object) );
}
...

appear wrong since the unsavedIdentifierValue.isUnsaved needs to be passed the object, not the identifier...

Basically the getter method is called on the identifier (a String in this case) and not on the object itself.

com.proinsight.core.KMSException: net.sf.hibernate.PropertyAccessException: IllegalArgumentException occurred calling getter of system.UserSession.id
	at net.sf.hibernate.property.BasicPropertyAccessor$BasicGetter.get(BasicPropertyAccessor.java:110)
	at net.sf.hibernate.persister.AbstractEntityPersister.getIdentifier(AbstractEntityPersister.java:284)
	at net.sf.hibernate.persister.AbstractEntityPersister.isUnsaved(AbstractEntityPersister.java:406)
...
Caused by: java.lang.IllegalArgumentException: object is not an instance of declaring class
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at net.sf.hibernate.property.BasicPropertyAccessor$BasicGetter.get(BasicPropertyAccessor.java:96)
...


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