问题描述
|
我的Web应用程序中出现以下异常:
\“通信对象System.ServiceModel.Channels.ServiceChannel无法用于通信,因为它处于故障状态\”
堆栈跟踪:
\“服务器堆栈跟踪:位于
System.ServiceModel.Channels.CommunicationObject.Close(TimeSpan
超时)在[0]处抛出异常:
System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage
reqMsg,IMessage retMsg)
System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData&
msgData,Int32类型)位于
System.ServiceModel.ICommunicationObject.Close(TimeSpan超时)
在
System.ServiceModel.ClientBase
1.System.ServiceModel.ICommunicationObject.Close(TimeSpan
timeout) at System.ServiceModel.ClientBase
1.Close()在
System.ServiceModel.ClientBase`1.System.Idisposable.dispose()位于
System.Web.UI.WebControls.ObjectDataSourceView.ReleaseInstance(Object
实例)
System.Web.UI.WebControls.ObjectDataSourceView.ExecuteSelect(DataSourceSelectArguments
参数)在System.Web.UI.WebControls.ObjectDataSource.Select()
在BudgeteerWeb.EditTransaction.Page_Load(Object sender,EventArgs e)
在
C:\\ Develop \\ Budgeteer \\ BudgeteerWeb \\ BudgeteerWeb \\ MemberPages \\ Transactions \\ Edit.aspx.vb:line
27 \“
我正在从ObjectDataSource使用的select方法中调用WCF服务。如果我不使用基于消息的安全性,则一切正常。但是,一旦我打开带有ClientCredentials的wsHttpBinding,我就会收到上述错误。不知道我缺少什么。
ASP代码:
背后的代码:
由objectDataSource选择方法使用的函数:
Protected Function getTransaction(ByVal userID As String,ByVal transactionID As Int64)
As BudgeteerService.Transaction
Dim transaction As BudgeteerService.Transaction = New BudgeteerService.Transaction
transaction = wcfProxy.GetTransaction(userID,transactionID)
Return transaction
End Function
Try
transactionID = Int64.Parse(Request.QueryString(\"TransactionID\"))
Dim userIdParm As Parameter = New Parameter
TransactionDataSource.Select() \'**EXCEPTION GETS THROWN HERE**
FormView1.DataSource = TransactionDataSource
FormView1.DataBind()
Catch timeOutEx As TimeoutException
Throw timeOutEx
Catch comEx As CommunicationException
Throw comEx
Catch ex As Exception
Throw New Exception(\"An error occured while trying to retrieve this transaction\")
End Try
提前致谢。
解决方法
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