Erro seviceLocator WebLogic

java.lang.reflect.InvocationTargetException

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 br.com.programarte.util.ServiceLocator.getEJB(ServiceLocator.java:118)

at br.com.programarte.sistema.SistemaDelegate.sistemaGeradorComum(SistemaDelegate.java:332)

at br.com.programarte.quartz.servlet.QuartzServletComum.init(QuartzServletComum.java:64)

at weblogic.servlet.internal.StubSecurityHelper$ServletInitAction.run(StubSecurityHelper.java:282)

at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)

at weblogic.security.service.SecurityManager.runAs(Unknown Source)

at weblogic.servlet.internal.StubSecurityHelper.createServlet(StubSecurityHelper.java:63)

at weblogic.servlet.internal.StubLifecycleHelper.createOneInstance(StubLifecycleHelper.java:58)

at weblogic.servlet.internal.StubLifecycleHelper.<init>(StubLifecycleHelper.java:48)

at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:507)

at weblogic.servlet.internal.WebAppServletContext.preloadServlet(WebAppServletContext.java:1853)

at weblogic.servlet.internal.WebAppServletContext.loadServletsOnStartup(WebAppServletContext.java:1830)

at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1750)

at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletContext.java:2909)

at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:973)

at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:361)

at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:204)

at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:26)

at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:60)

at weblogic.application.internal.flow.ScopedModuleDriver.start(ScopedModuleDriver.java:200)

at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:117)

at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:204)

at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:26)

at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:60)

at weblogic.application.internal.flow.StartModulesFlow.activate(StartModulesFlow.java:26)

at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:635)

at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:26)

at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:212)

at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:154)

at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:80)

at weblogic.deploy.internal.targetserver.operations.AbstractOperation.activate(AbstractOperation.java:566)

at weblogic.deploy.internal.targetserver.operations.ActivateOperation.activateDeployment(ActivateOperation.java:136)

at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doCommit(ActivateOperation.java:104)

at weblogic.deploy.internal.targetserver.operations.StartOperation.doCommit(StartOperation.java:139)

at weblogic.deploy.internal.targetserver.operations.AbstractOperation.commit(AbstractOperation.java:320)

at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentCommit(DeploymentManager.java:816)

at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeploymentList(DeploymentManager.java:1223)

at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(DeploymentManager.java:434)

at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.commit(DeploymentServiceDispatcher.java:161)

at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:181)

at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:12)

at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:67)

at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:464)

at weblogic.work.ExecuteThread.execute(ExecuteThread.java:200)

at weblogic.work.ExecuteThread.run(ExecuteThread.java:172)

Caused by: java.lang.ClassCastException: br.com.programarte.sistema.SistemaFacade_h8l4p6_EOImpl_1001_WLStub

at br.com.programarte.sistema.SistemaFacade_h8l4p6_HomeImpl_1001_WLStub.create(Unknown Source)

… 49 more

public  Object getEJB(String resource ) {

	try
	{
		if( log.isDebugEnabled())
			log.debug("Resource = " + resource);
		
		Object objref= getContext().lookup(resource);
        EJBHome home=(EJBHome) PortableRemoteObject.narrow(objref, javax.ejb.EJBHome.class);
		    
		//get the method of create
		Method m = home.getClass().getDeclaredMethod("create", new Class[0]);
        
		//invoke the create method
		Object obj = m.invoke (home, new Object[0]);
        
		return obj;
	}
	catch (NoSuchMethodException ne)
	{ .....

Hashtable props = new Hashtable(); 
	
	props.put(InitialContext.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
	props.put(InitialContext.PROVIDER_URL, "t3://localhost:7001");
	
	Context initialContext = new InitialContext(props);
	return initialContext;