我正在努力解决以下错误：
05.06.2013. 17:55:43 org.apache.myfaces.util.ExternalSpecifications isUnifiedELAvailable
INFO: MyFaces Unified EL support enabled
org.apache.axis2.AxisFault: Transport error: 404 Error: Not Found
at org.apache.axis2.transport.http.HTTPSender.handleResponse(HTTPSender.
java:311)
at org.apache.axis2.transport.http.HTTPSender.sendViaPost(HTTPSender.java:200)
at org.apache.axis2.transport.http.HTTPSender.send(HTTPSender.java:76)
at org.apache.axis2.transport.http.CommonsHTTPTransportSender.writeMessageWithCommons(CommonsHTTPTransportSender.java:400)
at org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(CommonsHTTPTransportSender.java:225)
at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:438)
at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:402)
at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:229)
at org.apache.axis2.client.OperationClient.execute(OperationClient.java:165)
at com.company.rewsapi.REWSStub.loginUser(REWSStub.java:22480)
at com.company.rews.webclient.beans.ClientBeanBase.loginUser(ClientBeanBase.java:114)
at com.company.rews.webclient.beans.LoginBean.doLogin(LoginBean.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.el.parser.AstValue.invoke(AstValue.java:262)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
at org.apache.myfaces.view.facelets.el.ContextAwareTagMethodExpression.invoke(ContextAwareTagMethodExpression.java:96)
at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:72)
at javax.faces.component.UICommand.broadcast(UICommand.java:120)
at javax.faces.component.UIViewRoot._broadcastAll(UIViewRoot.java:1015)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:284)
at javax.faces.component.UIViewRoot._process(UIViewRoot.java:1309)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:746)
at org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:38)
at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:170)
at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
at org.apache.myfaces.webapp.MyFacesServlet.service(MyFacesServlet.java:112)
at com.company.rews.webclient.controller.MyFacesServletWrapper.service(MyFacesServletWrapper.java:29)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
.
.
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它发生在启动时，我的网络服务用户第一次尝试登录，第一次尝试连接到存根。
错误是：
Remote interface error: Transport error: 404 Error: Not Found.)
另一个问题是这很难调试。从 Eclipse 启动 Tomcat 时，它有时只会在首次启动时发生。
但是，在部署 Web 服务时，它总是会发生。
可能是什么问题呢？