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

[Strong Liu (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-3395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=36137#action_36137 ] 

Strong Liu commented on HHH-3395:
---------------------------------

if you have a test case (pojo+hbm), please attach it, thanks

> Oracle LONG datatype fetching fails on superclass Criteria query
> ----------------------------------------------------------------
>
>                 Key: HHH-3395
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3395
>             Project: Hibernate Core
>          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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