调用Web服务时出现问题？

Question

我调用WebService和得到这个error..Do人知道什么是确切的问题...

System.ServiceModel.Security.MessageSecurityException: An unsecured or incorrectly secured fault was received from the other party. See the inner FaultException for the fault code and detail. ---> System.ServiceModel.FaultException: An error occurred when verifying security for the message. 
    --- End of inner exception stack trace --- 

Server stack trace: 
at System.ServiceModel.Channels.SecurityChannelFactory`1.SecurityRequestChannel.ProcessReply(Message reply, SecurityProtocolCorrelationState correlationState, TimeSpan timeout) 
at System.ServiceModel.Channels.SecurityChannelFactory`1.SecurityRequestChannel.Request(Message message, TimeSpan timeout) 
at System.ServiceModel.Dispatcher.RequestChannelBinder.Request(Message message, TimeSpan timeout) 
at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout) 
at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs) 
at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation) 
at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message) 

Exception rethrown at [0]: 

at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) 
at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) 
at IVWSecurityServices.addRole(String rolename, String roledesc) 
at VWSecurityServicesClient.addRole(String rolename, String roledesc) in D:\NEC\App_Code\proxy.vb:line 312 
at ProvisionService.addRole(String Customercode, String Customername) in D:\NEC\App_Code\ProvisionService.asmx.vb:line 59 

什么建议吗？

Answer 1

看起来您没有为您的请求提供任何或正确的身份验证。

您是否阅读过您正在调用的WebService的文档？它是否提及认证？

您是否对客户端和服务器负责？如果是的话，你如何配置服务器？

想要得到更确切的答案，我们需要知道您要拨打哪些服务以及如何配置。