unable to add a secure java web service to .net thru visual studio add web reference

I have a secure java web service running on my system.   I am able to successfully do a URL based invocation of it and also was able to get the expected SOAP response. It uses the Basic Authentication mechanism to make it secure. So basically when I type the URL in the address bar and invoke it, it asks me for a user name password, I enter it and it runs normally. 

Now, when I try to add that web service to a simple asp.net web application thru visual studio add web reference mechanism, it first prompts with a certificate, which I accept and then prompts with Discovery Credential window asking for username and  password and domain . No idea what the domain is.  so I enter just the username and password and leave that domain empty. 

Then it fails to add the web reference with the following :

There was an error downloading 'https://84q5tb1:7002/WebServices/security/transport/basicAuthentication/BasicAuthentication.jws'.

The underlying connection was closed: An unexpected error occurred on a receive.

Can you please help me with this situation. 

5/4/2007 3:48:20 PM
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The web service itself isn't what the web reference mechanism wants. It wants the WSDL. You don't really need it when using .NET web services because .NET knows where to look for it, but if its in Java, you'll have to point the Add Web Reference tool to the WSDL address.


5/4/2007 4:00:51 PM

I did supply the WSDL to the add web reference from visual studio. 


But still, it fails and the following is the exact error message that is displayed. 

Unable to cast COM object of type 'System.__ComObject' to interface type 'EnvDTE.IVsExtensibility'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{3C536122-57B1-46DE-AB34-ACC524140093}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE)).

5/6/2007 1:21:07 AM

Hi naween,

Here is a brief summary of this issue:

========PROBLEM DESCRIPTION===================

When try using the "Add Web Reference" function in Visual Studio 2005 to

create webservice client proxy against multiple webservice endpoints (asmx

files) in the same webservice application. And if the webservice

application is protected by client authentication which will prompt for

client to input credentials, the IDE will report the following exception:


Unable to cast COM object of type 'System.__ComObject' to interface type

'EnvDTE.IVsExtensibility'. This operation failed because the QueryInterface

call on the COM component for the interface with IID

'{3C536122-57B1-46DE-AB34-ACC524140093}' failed due to the following error:

No such interface supported (Exception from HRESULT: 0x80004002


========= CAUSE==========================

This is a pure Visual Studio 2005 specific issue, the interal design-time

COM object has problem when dealing with service endpoint that will prompt

for inputting client credentials.

==========CURRENT WORK AROUND =====================

1. Visit the service description/WSDL document in external webbrowser and

save the WSDL document to local file system.   And add web reference

against the local saved WSDL document in Visual Studio 2005.

2. Use the WSDL.exe command utility in .net framework to create webservice

client proxy externally. 

NOTE:If you find my response contains a reference to a third party World Wide Web site, I am providing this information as a convenience to you.Microsoft does not control these sites and has not tested any software or information found on these sites; therefore,Microsoft cannot make any representations regarding the quality,safety, or suitability of any software or information found there.

Young Fang
Microsoft Online Community Support

Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
5/10/2007 6:24:32 AM

Actually there is a much easier way to do this.  After adding one secure service, simply close the project, then re-open it and you can add another secured service, that fixed the problem for me.  If that doesn't work, just create the reference in another project and copy it over.

5/14/2008 1:43:17 PM

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