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.NET Forum / .NET Framework / New Users / July 2007Calling wsHttpBinding service under IIS
Hello, I am attempting to call a single WCF wsHttpBinding service under IIS from two seperate Web Sites on the same server. Unfortunately, it appears that only one can communicate to the WCF service at a time returning "WSHttpBinding_IMyService Error: The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communication because it is in the Faulted state." I suspect that it is because IIS is, by default, using the same IP address for both Web Sites while being a client calling the service, even though this server has multiple IP addresses, because I can call the server from two different Web Sites if they are on different computers. Is there a way to explicitly set the client IP address to use within the web.config file (under <system.serviceModel> section)? Much thanks, Michael  Signaturemsdn premium subscriber Hello Michael, From your description, you're encountering some connection issue when try consuming a IIS hosted WCF wshttpbinding service from two asp.net WEB applications on the same server in IIS, correct? As for this problem, I would suggest you try further tracking down the issue scenario since I also haven't met the same problem before(running all the WCF client service on the same machine and all hosted in LOCAL IIS). You can test the following cases: ** a very simple WCF service (maybe hello world one) and test the same behavior ** try using other binding like basicHttpbinding or netTCPBinding to see whether the same problem occur. In addition, how do you currently specify your WCF service's base address, are you using "localhost" or your machine's DNS or Netbios name? If you're using "localhost", I suggest you try changing it to the DNS/netbios name to see whether it helps. If you get any other finding, please also feel free to let me know and I can help you perform some local tests. Sincerely, Steven Cheng Microsoft MSDN Online Support Lead ================================================== Get notification to my posts through email? Please refer to http://msdn.microsoft.com/subscriptions/managednewsgroups/default.aspx#notif ications. Note: The MSDN Managed Newsgroup support offering is for non-urgent issues where an initial response from the community or a Microsoft Support Engineer within 1 business day is acceptable. Please note that each follow up response may take approximately 2 business days as the support professional working with you may need further investigation to reach the most efficient resolution. The offering is not appropriate for situations that require urgent, real-time or phone-based interactions or complex project analysis and dump analysis issues. Issues of this nature are best handled working with a dedicated Microsoft Support Engineer by contacting Microsoft Customer Support Services (CSS) at http://msdn.microsoft.com/subscriptions/support/default.aspx. ================================================== This posting is provided "AS IS" with no warranties, and confers no rights. Hi Michael, I've just performed some further research and here is the new result I got: I tested the scenario on my local machine(windows Vista/IIS7/VS2005+WCF extension), the test steps are as below: ** create the WCF service and hosted it in IIS default site(wshttpbinding) ** create a class library project which add service referene against the WCF service so as to generate the proxy **create two separate ASP.NET web sites in the same solution and both of them are hosted in localhost (iis default site) ** reference the class library project(in step2) and use the generated proxy to call the WCF service in both the two ASP.NET applications It seems both of the two ASP.NET application can call the wcf method and get the result correctly. Therefore, I'm wondering the problem should be a bit more specific either to the application service code or the host environment. How do you think? Sincerely, Steven Cheng Microsoft MSDN Online Support Lead This posting is provided "AS IS" with no warranties, and confers no rights. Hi Michael, How are you doing? Have you got any progress on this issue? If there is anything else we can help, please feel free to post here. Sincerely, Steven Cheng Microsoft MSDN Online Support Lead This posting is provided "AS IS" with no warranties, and confers no rights. Hi Steven, I have created a WCF service and exposed it though a svc file. When I call this service with a ASP.Net client (Add Service Reference) , there is no problem. When I call this service as it was a Web Service (Add Web Reference) I get an exception "Operation has timed out". Can you please help me? Thanks & Regards Shweta Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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