[hibernate-issues] [Hibernate-JIRA] Created: (HHH-3395) Oracle LONG datatype fetching fails on superclass Criteria query

[Ville Anttonen (JIRA)]

Oracle LONG datatype fetching fails on superclass Criteria query
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                 Key: HHH-3395
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3395
             Project: Hibernate3
          Issue Type: Bug
         Environment: Oracle 10
Windows XP
Hibernate 3
Weblogic 9.2
            Reporter: Ville Anttonen


I have dao-layer method like this.
public PersistentQuery getPersistentQuery(String userId, long queryId){
....

Criteria criteria = m_session.createCriteria(PersistentQuery.class);
criteria.add(Expression.eq("userId",userId));
criteria.add(Expression.eq("id",new Long(queryId)));	
return (PersistentQuery) criteria.uniqueResult();
.....
}
Previous code throws "Stream already closed" exception.

PersistentQuery is abstract class
and it's subclasses contains UserType - field
that wraps Oracle's long varchar field.

I can fix this by creating criteria by subclass
like " Criteria criteria = m_session.createCriteria(PersistentOrganizationQuery.class); ".

We're migrating from ingres -> oracle and in ingres previous implementation worked fine.

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