- Initializing hibern

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- Initializing hibern

- Initializing hibern

2007-07-19 - By taggat

Back
Hi,

I have an application that uses EJB3 and hence hibernate.

As we are finding performance issues using ejb3 we are moving to directly
accessing hibernate directly.

I am testing upgrading our installation from jboss 4.0.3SP1 to 4.2.0GA and
where we had code to get the hibernate sessions setup using our entities with
the following code

| try {
| AnnotationConfiguration ac = new AnnotationConfiguration();
| Filter[] filters = setFilter();
| setAnnotatedClasses(ac, filters);
| sessionFactory = ac.configure().buildSessionFactory();
| break;
| } catch (Throwable ex) {
| // Log exception!
| log.error("Initial SessionFactory creation failed. Message = " + ex
.getMessage(), ex);
| //throw new ExceptionInInitializerError(ex);
| }
|
|

this used to work ok for setting up the hibernate session to read all of our
existing entities and settings. under jboss 4.2.0GA it comes up with the
following exception.

| org.hibernate.HibernateException

Source code of org.hibernate.HibernateException

: cannot simultaneously fetch multiple bags
| at org.hibernate.loader.BasicLoader

Source code of org.hibernate.loader.BasicLoader

(BasicLoader.java:66)
| at org.hibernate.loader.entity.EntityLoader

Source code of org.hibernate.loader.entity.EntityLoader

<init>(EntityLoader.java:75)
| at org.hibernate.loader.entity.EntityLoader

<init>(EntityLoader.java:43)
| at org.hibernate.loader.entity.EntityLoader

<init>(EntityLoader.java:33)
| at org.hibernate.loader.entity.BatchingEntityLoader

Source code of org.hibernate.loader.entity.BatchingEntityLoader

.createBatchingEntityLoader(BatchingEntityLoader.java:103)
| at org.hibernate.persister.entity.AbstractEntityPersister

Source code of org.hibernate.persister.entity.AbstractEntityPersister

.createEntityLoader(AbstractEntityPersister.java:1748)
| at org.hibernate.persister.entity.AbstractEntityPersister

.createEntityLoader(AbstractEntityPersister.java:1752)
| at org.hibernate.persister.entity.AbstractEntityPersister

(AbstractEntityPersister.java:2982)
| at org.hibernate.persister.entity.AbstractEntityPersister

(AbstractEntityPersister.java:2975)
| at org.hibernate.persister.entity.SingleTableEntityPersister

Source code of org.hibernate.persister.entity.SingleTableEntityPersister

.postInstantiate(SingleTableEntityPersister.java:690)
| at org.hibernate.impl.SessionFactoryImpl

Source code of org.hibernate.impl.SessionFactoryImpl

<init>(SessionFactoryImpl.java
:290)
| at org.hibernate.cfg.Configuration

Source code of org.hibernate.cfg.Configuration

(Configuration.java
:1294)
| at com.flytxt.global.data.jmx.HibernateService.<clinit>(HibernateService
.java:37)
|

does anyone know how to get around this ?

View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic
&p=4065730#4065730

Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode
=reply&p=4065730
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