Hi, I'm ussing the Seam 1.2.1GA with the SeamEntityManager (http://wiki.jboss.org/wiki/Wiki.jsp?page=SeamEntityConverter), and I'm having the same problem, this is the exception: Caused by: java.lang.IllegalStateException: EntityManager is closed at org.hibernate.ejb.EntityManagerImpl.getSession(EntityManagerImpl.java:42) at org.hibernate.ejb.AbstractEntityManagerImpl.joinTransaction(AbstractEntityManagerImpl.java:447) at org.hibernate.ejb.AbstractEntityManagerImpl.joinTransaction(AbstractEntityManagerImpl.java:442) at org.jboss.seam.persistence.EntityManagerProxy.joinTransaction(EntityManagerProxy.java:113) at org.jboss.seam.framework.EntityQuery.createQuery(EntityQuery.java:104) at org.jboss.seam.framework.EntityQuery.getResultList(EntityQuery.java:41) at sun.reflect.GeneratedMethodAccessor723.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.seam.util.Reflections.invoke(Reflections.java:20) at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:57) at org.jboss.seam.interceptors.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:34) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.interceptors.TransactionInterceptor$1.work(TransactionInterceptor.java:32) at org.jboss.seam.util.Work.workInTransaction(Work.java:37) at org.jboss.seam.interceptors.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:27) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.interceptors.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:27) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:103) at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:151) at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:87) at org.jboss.seam.framework.EntityQuery_$$_javassist_421.getResultList(EntityQuery_$$_javassist_421.java) ... 284 more I don't understand what happends and why it happens? What can I do to solve the problem? can I apply any patch to my environment configuration (download something...)? Thanks Javi View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4087532#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...