Hi everyone,
I'm sure that this must have been hashed out here before, but I can't
seem to find any real solutions. I hope someone can point me to a good
resource. I've got a pretty simple setup, thus far. I'm using Spring
to autowire my DAO with the entity manager factory, and I have a
TestCase that sets up the local datastore for testing. I have one test
that works fine, then another that fails and throws that infamous
"Object Manager has been closed" exception. My DAO are based on a
GenericDao implementation from the Crank project. It works great with
regular JPA. So, I figured I'd give it a try with GAE. The error
doesn't seem to me to be related to that, though.
I've seen a lot of postings where people recommend the
OpenEntityManagerFactoryInView filter. That's great for a production
environment where you have a web container, but doesn't really help for
unit testing purposes.
My persistent object is this:
@Entity
public class Person {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Key key;
private String email;
public Person() {}
[getters and setters here]
}
Here is a test that works:
@Test
public void testReadThePerson() {
Person person = new Person("y...@yada.com");
dao.store(person);
Person person2 = dao.read(person.getKey());
assertNotNull("Person not found", person2);
}
Here is the test that fails:
@Test
public void testFindThePerson() {
Person person = new Person("y...@yada.com");
dao.store(person);
List<Person> list = dao.find("email", "y...@yada.com");
assertEquals("Did not find the person.", 1, list.size());
}
It blows up trying to get the list.size() value. What gives?
Thanks,
Dave
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