[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5858) Cannot load entities with Clob or Lob properties into stateless sessions
Cannot load entities with Clob or Lob properties into stateless sessions
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Key: HHH-5858
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5858
Project: Hibernate Core
Issue Type: Bug
Components: core
Affects Versions: 3.5.1
Reporter: James Roper
I have a an entity with a Clob property:
{code:java}
@Lob
private Clob clobProperty;
{code}
When I try and load it in a stateless session, I get:
{noformat}
Exception in thread "main" java.lang.ClassCastException:
org.hibernate.impl.StatelessSessionImpl cannot be cast to
org.hibernate.engine.jdbc.LobCreationContext
at org.hibernate.Hibernate.getLobCreator(Hibernate.java:420)
at org.hibernate.type.ClobType.nullSafeGet(ClobType.java:114)
at org.hibernate.type.AbstractType.hydrate(AbstractType.java:105)
at
org.hibernate.persister.entity.AbstractEntityPersister.hydrate(AbstractEntityPersister.java:2267)
at org.hibernate.loader.Loader.loadFromResultSet(Loader.java:1423)
at org.hibernate.loader.Loader.instanceNotYetLoaded(Loader.java:1351)
at org.hibernate.loader.Loader.getRow(Loader.java:1251)
at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:619)
at org.hibernate.loader.Loader.loadSingleRow(Loader.java:307)
at
org.hibernate.impl.ScrollableResultsImpl.prepareCurrentRow(ScrollableResultsImpl.java:254)
at org.hibernate.impl.ScrollableResultsImpl.next(ScrollableResultsImpl.java:123)
{noformat}
If Lobs in stateless sessions isn't supported, then at very least an error message to
that effect should be thrown and the docs should be updated to reflect this, but I
don't see why that should be the case, especially considering that both Lobs and
stateless session both serve very similar purposes, they are for use when dealing with
large datasets that may not fit in memory, and so could well be used together.
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