Após mover a classe EntityManagerProducer para outro pacote que não fosse o vraptor.util o erro ao iniciar o servidor foi solucionado, agora é apresentado um erro de Transaction Already Active, alguem passou por esse problema?

java.lang.IllegalStateException: Transaction already active at org.hibernate.jpa.internal.TransactionImpl.begin(TransactionImpl.java:58) at br.com.caelum.vraptor.dao.ProdutoDao.adiciona(ProdutoDao.java:23) at br.com.caelum.vraptor.observers.InitialDataObserver.insert(InitialDataObserver.java:33) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.weld.injection.MethodInjectionPoint.invokeOnInstanceWithSpecialValue(MethodInjectionPoint.java:93) at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:266) at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:253) at org.jboss.weld.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:232) at org.jboss.weld.event.ObserverNotifier.notifyObserver(ObserverNotifier.java:169) at org.jboss.weld.event.ObserverNotifier.notifyObserver(ObserverNotifier.java:165) at org.jboss.weld.event.ObserverNotifier.notifyObservers(ObserverNotifier.java:119) at org.jboss.weld.event.ObserverNotifier.fireEvent(ObserverNotifier.java:112) at org.jboss.weld.event.EventImpl.fire(EventImpl.java:83) at br.com.caelum.vraptor.VRaptor.init(VRaptor.java:92) at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260) at org.apache.catalina.core.ApplicationFilterConfig.(ApplicationFilterConfig.java:105) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4809) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5485) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)