EJB部署出错: Unable to load a class specified in your ejb-jar.xml

Question

exapmleOne.ejb.HelloBean  没有找到这个类

Answer 1

控制台出错信息如下:
2006-7-16 下午02时11分59秒 CST> <Error> <Console> <BEA-240003> <Console encountered the following error weblogic.application.ModuleException: Exception preparing module: EJBModule(HelloWorld)
Unable to deploy EJB: C:\eclipse\workspace\EJBHelloworld\classes\HelloWorld.jar from HelloWorld.jar:Unable to load a class specified in your ejb-jar.xml: exapmleOne.ejb.HelloBean
at weblogic.ejb.container.deployer.EJBModule.prepare(EJBModule.java:381)
at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:90)
at weblogic.application.internal.flow.DeploymentCallbackFlow$1.next(DeploymentCallbackFlow.java:318)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:26)
at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:53)
at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:43)
at weblogic.application.internal.BaseDeployment$1.next(BaseDeployment.java:620)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:26)
at weblogic.application.internal.BaseDeployment.prepare(BaseDeployment.java:231)
at weblogic.application.internal.DeploymentStateChecker.prepare(DeploymentStateChecker.java:147)
at weblogic.deploy.internal.targetserver.AppContainerInvoker.prepare(AppContainerInvoker.java:61)
at weblogic.deploy.internal.targetserver.operations.ActivateOperation.createAndPrepareContainer(ActivateOperation.java:183)
at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doPrepare(ActivateOperation.java:84)
at weblogic.deploy.internal.targetserver.operations.AbstractOperation.prepare(AbstractOperation.java:219)
at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentPrepare(DeploymentManager.java:750)
at weblogic.deploy.internal.targetserver.DeploymentManager.prepareDeploymentList(DeploymentManager.java:1209)
at weblogic.deploy.internal.targetserver.DeploymentManager.handlePrepare(DeploymentManager.java:246)
at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.prepare(DeploymentServiceDispatcher.java:157)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doPrepareCallback(DeploymentReceiverCallbackDeliverer.java:157)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$000(DeploymentReceiverCallbackDeliverer.java:12)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$1.run(DeploymentReceiverCallbackDeliverer.java:45)
at weblogic.work.ServerWorkManagerImpl$WorkAdapterImpl.run(ServerWorkManagerImpl.java:518)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:179)
Caused by: java.lang.Throwable: Substituted for the exception weblogic.ejb.container.deployer.DeploymentDescriptorException which lacks a String contructor, original message - Unable to load a class specified in your ejb-jar.xml: exapmleOne.ejb.HelloBean at weblogic.ejb.container.deployer.MBeanDeploymentInfoImpl.initializeBeanInfos(MBeanDeploymentInfoImpl.java:600)
at weblogic.ejb.container.deployer.MBeanDeploymentInfoImpl.<init>(MBeanDeploymentInfoImpl.java:221)
at weblogic.ejb.container.deployer.EJBDeployer.prepare(EJBDeployer.java:1178)
at weblogic.ejb.container.deployer.EJBModule.prepare(EJBModule.java:354)
> 

Answer 2

请问weblogic server 9.1中的EJB配置描述weblogic-ejb-jar.xml中的第二句应该怎么写,如<!DOCTYPE weblogic-ejb-jar PUBLIC "-//BEA Systems, Inc.//DTD WebLogic 8.1.0 EJB//EN" "wls810_weblogic-ejb-jar.dtd" >这一句在9.1中应该换成什么?