weblogic9.2部署JAVA web项目出错

激活更改期间出错，有关详细信息，请查看日志。  
  [HTTP:101064][WebAppModule(tfs:tfs.war)] Error parsing descriptor in Web appplication "D:\tfs.war" weblogic.application.ModuleException: Unmarshaller failed at weblogic.servlet.internal.WebAppModule.loadDescriptor(WebAppModule.java:784) at weblogic.servlet.internal.WebAppModule.prepare(WebAppModule.java:275) at weblogic.application.internal.flow.ScopedModuleDriver.prepare(ScopedModuleDriver.java:176) at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:93) at weblogic.application.internal.flow.DeploymentCallbackFlow$1.next(DeploymentCallbackFlow.java:360) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:26) at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:56) at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:46) at weblogic.application.internal.BaseDeployment$1.next(BaseDeployment.java:621) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:26) at weblogic.application.internal.BaseDeployment.prepare(BaseDeployment.java:208) 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:189) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doPrepare(ActivateOperation.java:87) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.prepare(AbstractOperation.java:217) at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentPrepare(DeploymentManager.java:718) at weblogic.deploy.internal.targetserver.DeploymentManager.prepareDeploymentList(DeploymentManager.java:1185) at weblogic.deploy.internal.targetserver.DeploymentManager.handlePrepare(DeploymentManager.java:247) 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:209) at weblogic.work.ExecuteThread.run(ExecuteThread.java:181) Caused by: weblogic.descriptor.BeanAlreadyExistsException: Bean already exists: "weblogic.j2ee.descriptor.MimeMappingBeanImpl@d192da(/MimeMappings[ps])" at weblogic.descriptor.internal.ReferenceManager.registerBean(ReferenceManager.java:207) at weblogic.j2ee.descriptor.WebAppBeanImpl.setMimeMappings(WebAppBeanImpl.java:1489) at jrockit.reflect.VirtualNativeMethodInvoker.invoke(Ljava.lang.Object;[Ljava.lang.Object;)Ljava.lang.Object;(Unknown Source) at java.lang.reflect.Method.invoke(Ljava.lang.Object;[Ljava.lang.Object;I)Ljava.lang.Object;(Unknown Source) at com.bea.staxb.runtime.internal.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:48) at com.bea.staxb.runtime.internal.RuntimeBindingType$BeanRuntimeProperty.setValue(RuntimeBindingType.java:483) at com.bea.staxb.runtime.internal.AttributeRuntimeBindingType$QNameRuntimeProperty.fillCollection(AttributeRuntimeBindingType.java:385) at com.bea.staxb.runtime.internal.MultiIntermediary.getFinalValue(MultiIntermediary.java:52) at com.bea.staxb.runtime.internal.AttributeRuntimeBindingType.getFinalObjectFromIntermediary(AttributeRuntimeBindingType.java:145) at com.bea.staxb.runtime.internal.UnmarshalResult.unmarshalBindingType(UnmarshalResult.java:185) at com.bea.staxb.runtime.internal.UnmarshalResult.unmarshalDocument(UnmarshalResult.java:154) at com.bea.staxb.runtime.internal.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:65) at weblogic.descriptor.internal.MarshallerFactory$1.createDescriptor(MarshallerFactory.java:136) at weblogic.descriptor.DescriptorManager.createDescriptor(DescriptorManager.java:280) at weblogic.descriptor.DescriptorManager.createDescriptor(DescriptorManager.java:248) at weblogic.application.descriptor.AbstractDescriptorLoader2.getDescriptorBeanFromReader(AbstractDescriptorLoader2.java:749) at weblogic.application.descriptor.AbstractDescriptorLoader2.createDescriptorBean(AbstractDescriptorLoader2.java:376) at weblogic.application.descriptor.AbstractDescriptorLoader2.loadDescriptorBeanWithoutPlan(AbstractDescriptorLoader2.java:720) at weblogic.application.descriptor.AbstractDescriptorLoader2.loadDescriptorBean(AbstractDescriptorLoader2.java:729) at weblogic.servlet.internal.WebAppDescriptor.getWebAppBean(WebAppDescriptor.java:134) at weblogic.servlet.internal.WebAppModule.loadDescriptor(WebAppModule.java:778) at weblogic.servlet.internal.WebAppModule.prepare(WebAppModule.java:275) at weblogic.application.internal.flow.ScopedModuleDriver.prepare(ScopedModuleDriver.java:176) at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:93) at weblogic.application.internal.flow.DeploymentCallbackFlow$1.next(DeploymentCallbackFlow.java:360) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:26) at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:56) at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:46) at weblogic.application.internal.BaseDeployment$1.next(BaseDeployment.java:621) weblogic.application.ModuleException: Unmarshaller failed  
  Bean already exists: "weblogic.j2ee.descriptor.MimeMappingBeanImpl@d192da(/MimeMappings[ps])" 原先这个项目是发布在tomcat上,然后我直接打成war包.
我的操作是 直接部署--安装--选择*.war之后--其他默认完成 在激活更改时候出了以上错误.
麻烦大家帮忙找一下是哪里出问题了?