I am getting this run time exception when I am running my hello world program using JPA .

The code is as mentioned below --


// Second unit of work
EntityManager newEm = emf.createEntityManager();
EntityTransaction newTx = newEm.getTransaction();
newTx.begin();

//Exception is thrown at this point
List messages =
newEm.createQuery("select m from Message m order by m.text asc").getResultList();

for (Object m : messages) {
Message loadedMsg = (Message) m;
System.out.println(loadedMsg.getText());
}

newTx.commit();
newEm.close();

}catch(Exception e){e.printStackTrace();}

// Shutting down the application
emf.close();
}


The jars which I am using are mentioned below --

1)ejb3-persistence-1.0.2.GA
2)hibernate3
3)hibernate-entitymanager-3.5.1-Final
4)hibernate-jpa-2.0-api-1.0.0.Final
5)hibernate-validator-4.0.2.GA

Database which I am using is hsqldb

I will be very much obliged for the solution of the same , I feel that it is related to versions of the jars but not sure which one to use.

Thx
Sahil Avasthi

ejb3-persistence-1.0.2.GA and hibernate-jpa-2.0-api-1.0.0.Final seems to be jps specification libraries

I think you need to remove ejb3-persistence-1.0.2.GA if you are using hibernate 3.5

CSJakharia

Thanks very much , it worked ....