hi there
i am attempting a very simple task of running a junit + spring
+...@persistencecontext but getting the following error
Caused by: java.lang.IllegalStateException: Application code attempted
to create a EntityManagerFactory named transactions-optional, but one
with this name already exists! Instances of EntityManagerFactory are
extremely slow to create and it is usually not necessary to create one
with a given name more than once. Instead, create a singleton and
share it throughout your code. If you really do need to create a
duplicate EntityManagerFactory (such as for a unittest suite), set the
appengine.orm.disable.duplicate.emf.exception system property to avoid
this error.
at
org.datanucleus.store.appengine.jpa.DatastoreEntityManagerFactory.checkForRepeatedAllocation
(DatastoreEntityM
the junit class is simple
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "classpath:entitymanager-
context.xml" })
public class PositionUserBusinessTest extends LocalStorageTestCase {
@PersistenceContext
EntityManager em;
@Autowired
PositionUserBusiness business;
@test
void something test()
entitymanager-context.xml
<!-- entity manager -->
<bean id="entityManagerFactory"
class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean"
lazy-init="true">
<property name="persistenceUnitName"
value="transactions-optional" /
>
</bean>
<bean name="transactionManager"
class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory"
ref="entityManagerFactory" />
</bean>
<bean id="positionUserBusiness"
class="com.asteriski.mingle.geo.business.PositionUserBusiness"/>
i dont understand why it is complaining about the mulitple instances
of persistence unit called ' transactions-optional' as it is only
being referenced by the spring binding.
what is the problem?
any help most appreciated.
-lp
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