Hi Thomas, I could not reproduce the error. Could you share the code? On Mon, Feb 9, 2009 at 6:50 AM, <thomas.th.hamac...@partner.bmw.ch> wrote:
> Hi @all, > > so now I tracked down my problem with the Extended PersistenceContext. The > reason for failure was the TransactionManagement. > Anyhow I tried to work with different possibilities of Transactions, but > did not find a solution yet. So maybe someone can > point me to the right direction. > > My scenario is as follows and pretty easy. I have one EntityManagerProvider > using the injected EntityManager as described in > http://www.nabble.com/Re%3A-Obtaining-an-EntityManager-instance-outside-an-EJB-p21701466.html > . > The I have another SessionBean, which should also be injected with an > Extended EntityManager. > > The EntityManager is injected perfectly into my EntityManagerProvider, but > when trying to use the second sessionBean with the extended EntityManager I > run into various problems. As I read from the documentations, the Extended > PersistenceContext works as follows: Any changes made to the entities are > queued to the EntityManager. As soon as a new Transaction is started, the > EntityManager joins this Transaction and commits changed to database. > > So therefor my first idea was, not to use a Transaction, because this > should be done by the container - in this case openEJB. > When I do so, it results in the following exception, when trying to obtain > the delegate of the EntityManager: > > java.lang.IllegalStateException: InternalError: an entity manager should > already be registered for this entended persistence unit > at > org.apache.openejb.persistence.JtaEntityManagerRegistry.getEntityManager(JtaEntityManagerRegistry.java:91) > at > org.apache.openejb.persistence.JtaEntityManager.getEntityManager(JtaEntityManager.java:61) > at > org.apache.openejb.persistence.JtaEntityManager.getDelegate(JtaEntityManager.java:92) > at > org.apache.openejb.persistence.JtaEntityManager.getDelegate(JtaEntityManager.java:41) > at > com.sepus.testUtil.commons.service.BaseApplicationServerProvider.getPersistenceProvider(BaseApplicationServerProvider.java:106) > at > company.commons.service.impl.PopulatorServiceImpl.<init>(PopulatorServiceImpl.java:47) > at > company.commons.environment.TestEnvironment.start(TestEnvironment.java:130) > at > company.commons.environment.TestBase.startEnvironment(TestBase.java:29) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:585) > at > org.testng.internal.MethodHelper.invokeMethod(MethodHelper.java:580) > at > org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:398) > at > org.testng.internal.Invoker.invokeConfigurations(Invoker.java:145) > at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:82) > at > org.testng.internal.TestMethodWorker.invokeBeforeClassMethods(TestMethodWorker.java:167) > at > org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:104) > at org.testng.TestRunner.runWorkers(TestRunner.java:712) > at org.testng.TestRunner.privateRun(TestRunner.java:582) > at org.testng.TestRunner.run(TestRunner.java:477) > at org.testng.SuiteRunner.runTest(SuiteRunner.java:324) > at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:319) > at org.testng.SuiteRunner.privateRun(SuiteRunner.java:292) > at org.testng.SuiteRunner.run(SuiteRunner.java:198) > at org.testng.TestNG.createAndRunSuiteRunners(TestNG.java:821) > at org.testng.TestNG.runSuitesLocally(TestNG.java:788) > at org.testng.TestNG.run(TestNG.java:708) > at > org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:74) > at > org.apache.maven.surefire.testng.TestNGXmlTestSuite.execute(TestNGXmlTestSuite.java:92) > at org.apache.maven.surefire.Surefire.run(Surefire.java:177) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:585) > at > org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345) > at > org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009) > > > (By the way: there is probably a typo in the Exception-message) > > > Second try was to use the javax.persistence.EntityTransaction of the > EntityManager. But as soon as I try to obtain the EntityTransaction I get > the following Exception: > > java.lang.IllegalStateException: A JTA Entity Manager can not use an entity > transaction > at > org.apache.openejb.persistence.JtaEntityManager.getTransaction(JtaEntityManager.java:220) > at > com.sepus.testUtil.commons.environment.TestEnvironment.start(TestEnvironment.java:127) > at > com.sepus.testUtil.commons.environment.TestBase.startEnvironment(TestBase.java:29) > at > org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:74) > at > org.apache.maven.surefire.testng.TestNGXmlTestSuite.execute(TestNGXmlTestSuite.java:92) > at org.apache.maven.surefire.Surefire.run(Surefire.java:177) > at > org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345) > at > org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009) > > > Third solution was to use the javax.Transaction.TransactionManager. Not > even better: > > DEBUG - finished invoking method create with > exception:javax.ejb.EJBException: nested exception is: > org.apache.openejb.persistence.EntityManagerAlread > yRegisteredException: Another entity manager is already registered for this > persistence unit > javax.ejb.EJBException: nested exception is: > org.apache.openejb.persistence.EntityManagerAlreadyRegisteredException: > Another entity manager is already > registered for this persistence unit > org.apache.openejb.persistence.EntityManagerAlreadyRegisteredException: > Another entity manager is already registered for this persistence unit > at > org.apache.openejb.persistence.JtaEntityManagerRegistry$ExtendedRegistry.addEntityManagers(JtaEntityManagerRegistry.java:191) > at > org.apache.openejb.persistence.JtaEntityManagerRegistry$ExtendedRegistry.access$100(JtaEntityManagerRegistry.java:169) > at > org.apache.openejb.persistence.JtaEntityManagerRegistry.addEntityManagers(JtaEntityManagerRegistry.java:129) > at > org.apache.openejb.core.stateful.StatefulContainer.createEJBObject(StatefulContainer.java:288) > at > org.apache.openejb.core.stateful.StatefulContainer.invoke(StatefulContainer.java:263) > at > org.apache.openejb.core.ivm.EjbHomeProxyHandler.create(EjbHomeProxyHandler.java:270) > at > org.apache.openejb.core.ivm.EjbHomeProxyHandler._invoke(EjbHomeProxyHandler.java:161) > at > org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:286) > at $Proxy77.create(Unknown Source) > at > org.apache.openejb.core.ivm.naming.BusinessLocalReference.getObject(BusinessLocalReference.java:33) > at > org.apache.openejb.core.ivm.naming.IvmContext.lookup(IvmContext.java:150) > at > org.apache.openejb.core.ivm.naming.ContextWrapper.lookup(ContextWrapper.java:115) > at javax.naming.InitialContext.lookup(InitialContext.java:351) > at > company.testUtil.commons.service.BaseApplicationServerProvider.lookup(BaseApplicationServerProvider.java:162) > at > company.testUtil.commons.service.BaseApplicationServerProvider.getService(BaseApplicationServerProvider.java:145) > at > company.testUtil.commons.service.BaseApplicationServerProvider.getService(BaseApplicationServerProvider.java:136) > at > company.testUtil.commons.environment.TestEnvironment.getService(TestEnvironment.java:332) > at > company..iis.test.core.populator.IISPopulator.getSvc(IISPopulator.java:39) > at > company..iis.test.core.populator.RegionPopulator.populate(RegionPopulator.java:27) > at > company.testUtil.commons.service.impl.PopulatorServiceImpl.doPopulate(PopulatorServiceImpl.java:176) > at > company.testUtil.commons.service.impl.PopulatorServiceImpl.recursivePopulation(PopulatorServiceImpl.java:121) > at > company.testUtil.commons.service.impl.PopulatorServiceImpl.populate(PopulatorServiceImpl.java:91) > at > company.testUtil.commons.environment.TestEnvironment.start(TestEnvironment.java:133) > at > company.testUtil.commons.environment.TestBase.startEnvironment(TestBase.java:29) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:585) > at > org.testng.internal.MethodHelper.invokeMethod(MethodHelper.java:580) > at > org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:398) > at > org.testng.internal.Invoker.invokeConfigurations(Invoker.java:145) > at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:82) > at > org.testng.internal.TestMethodWorker.invokeBeforeClassMethods(TestMethodWorker.java:167) > at > org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:104) > at org.testng.TestRunner.runWorkers(TestRunner.java:712) > at org.testng.TestRunner.privateRun(TestRunner.java:582) > at org.testng.TestRunner.run(TestRunner.java:477) > at org.testng.SuiteRunner.runTest(SuiteRunner.java:324) > at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:319) > at org.testng.SuiteRunner.privateRun(SuiteRunner.java:292) > at org.testng.SuiteRunner.run(SuiteRunner.java:198) > at org.testng.TestNG.createAndRunSuiteRunners(TestNG.java:821) > at org.testng.TestNG.runSuitesLocally(TestNG.java:788) > at org.testng.TestNG.run(TestNG.java:708) > at > org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:74) > at > org.apache.maven.surefire.testng.TestNGXmlTestSuite.execute(TestNGXmlTestSuite.java:92) > at org.apache.maven.surefire.Surefire.run(Surefire.java:177) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:585) > at > org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345) > at > org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009) > > > And lastly, using the UserTransaction did not succeed, as no > UserTransaction has been injected and therefor has a null-value. > > So now I am a bit confused, how to work with the Extended > PersistenceContext using openEJB and Hibernate as EntityManager. > > Can anybody maybe tell me, what I am missing or what I have to do to make > it work? > > Thanks > Thomas > -- Karan Singh Malhi
