j'ai cré un session bean qui s'appelle VolFacade voici son code:
ainsi que se 2 interface local et remote
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60 package ejb; import java.util.logging.Level; import java.util.logging.Logger; import javax.annotation.Resource; import javax.ejb.Stateless; import javax.naming.InitialContext; import javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import javax.persistence.Persistence; import javax.persistence.PersistenceContext; import javax.persistence.PersistenceContextType; import javax.persistence.PersistenceUnit; import javax.transaction.TransactionManager; import javax.transaction.UserTransaction; /** * * @author Administrateur */ @Stateless public class VolFacade implements VolFacadeLocal, VolFacadeRemote{ @PersistenceUnit(unitName = "OACA-ejbPU") private EntityManagerFactory emf ; @PersistenceContext(type=PersistenceContextType.EXTENDED) private static final String JPA_UNIT_NAME = "OACA-ejbPU"; private EntityManager entityManager=null; long n=0; private Vol voll; public EntityManager getEntityManager() { if (entityManager == null) { entityManager = Persistence.createEntityManagerFactory(JPA_UNIT_NAME).createEntityManager(); } return entityManager; } public void create(long n) throws Exception { try { voll = new Vol(n); voll.setDepart("dddddd"); voll.setDestination("fgfdd"); entityManager = getEntityManager(); entityManager.persist(voll); } finally { if (entityManager != null) { entityManager.close(); } } } }
pour le tester j'ai crée une classe client voici son code :
mais lors de son execution une erreur apparait ( l'EJB ne peut pas etre crée)
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25 package ejb; import java.util.Properties; import java.util.logging.Level; import java.util.logging.Logger; import javax.naming.Context; import javax.naming.InitialContext; import javax.naming.NamingException; public class client { public client(){ } public static void main(final String[] args) throws Exception { Context initialContext = new InitialContext(); VolFacadeRemote vf = (VolFacadeRemote) initialContext.lookup("ejb.VolFacadeRemote"); vf.create(5); } }
voici le code de l'erreur:
quelqu'un peut m'aider c urgent
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38 Exception in thread "main" javax.ejb.EJBException: nested exception is: java.rmi.RemoteException: nested exception is: javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB; nested exception is: javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB java.rmi.RemoteException: nested exception is: javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB; nested exception is: javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB at com.sun.enterprise.iiop.POAProtocolMgr.mapException(POAProtocolMgr.java:251) at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:1411) at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:1316) at com.sun.ejb.containers.EJBObjectInvocationHandler.invoke(EJBObjectInvocationHandler.java:210) at com.sun.ejb.containers.EJBObjectInvocationHandlerDelegate.invoke(EJBObjectInvocationHandlerDelegate.java:117) at $Proxy31.create(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.sun.corba.ee.impl.presentation.rmi.ReflectiveTie._invoke(ReflectiveTie.java:154) at com.sun.corba.ee.impl.protocol.CorbaServerRequestDispatcherImpl.dispatchToServant(CorbaServerRequestDispatcherImpl.java:687) at com.sun.corba.ee.impl.protocol.CorbaServerRequestDispatcherImpl.dispatch(CorbaServerRequestDispatcherImpl.java:227) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleRequestRequest(CorbaMessageMediatorImpl.java:1846) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleRequest(CorbaMessageMediatorImpl.java:1706) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleInput(CorbaMessageMediatorImpl.java:1088) at com.sun.corba.ee.impl.protocol.giopmsgheaders.RequestMessage_1_2.callback(RequestMessage_1_2.java:223) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleRequest(CorbaMessageMediatorImpl.java:806) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.dispatch(CorbaMessageMediatorImpl.java:563) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.doWork(CorbaMessageMediatorImpl.java:2567) at com.sun.corba.ee.impl.orbutil.threadpool.ThreadPoolImpl$WorkerThread.run(ThreadPoolImpl.java:555) Caused by: javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB at com.sun.ejb.containers.StatelessSessionContainer$SessionContextFactory.create(StatelessSessionContainer.java:774) at com.sun.ejb.containers.util.pool.NonBlockingPool.getObject(NonBlockingPool.java:199) at com.sun.ejb.containers.StatelessSessionContainer._getContext(StatelessSessionContainer.java:486) at com.sun.ejb.containers.BaseContainer.getContext(BaseContainer.java:1700) at com.sun.ejb.containers.BaseContainer.preInvoke(BaseContainer.java:1229) at com.sun.ejb.containers.EJBObjectInvocationHandler.invoke(EJBObjectInvocationHandler.java:202) ... 17 more javax.ejb.EJBException: nested exception is: java.rmi.RemoteException: nested exception is: javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB; nested exception is: javax.ejb.EJBException: nested exception is: javax.ejb.CreateException: Could not create stateless EJB at ejb._VolFacadeRemote_Wrapper.create(ejb/_VolFacadeRemote_Wrapper.java) at ejb.client.main(client.java:28) Java Result: 1
merci d'avance
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