RE: Calling a Web Service hosted on a Web Logic server from a C# S
- From: Striboldt <Striboldt@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Wed, 21 Dec 2005 05:05:02 -0800
I have tried using the service.PreAuthenticate, and it stills fails to
include credentials in the WebLogic web service request.
Are there really no solution to this problem?
If you know how to do a Basic authentication up against a WebLogic web
service please tell.
Best Regards,
Morten
"John Scragg" wrote:
> Nate,
>
> Try setting your "service .PreAuthenticate = true" on your proxy object
> before making the call to the ws method.
>
> If that does not work (cross your fingers ;-) Then you may need to look at
> WSE so that you can create a SoapContext object and a UsernameToken object
> rather than the build in credentials.
>
> UsernameToken userToken = new New UsernameToken("name", "pw",
> PasswordOption.SendPlainText) ;
>
> SoapContext requestContext = service .RequestSoapContext ;
>
> requestContext.Security.Tokens.Add(userToken) ;
> requestContext.Timestamp.Ttl = 60000;
> requestContext.Path.EncodedMustUnderstand = "false";
>
> Best of luck,
>
> John Scragg
>
> "Nate" wrote:
>
> > We are attempting to make a request to a web service (we will refer to it as
> > XXXServices) hosted on a Web Logic server from a C# SOAP client. The server
> > responds with a 401 Unauthorized error (that appears in plain text), and
> > causes the client to crash. This C# code has been deployed both as an
> > ASP.NET application and a WinForms app, each of which produced the same
> > result. Further, moving the clients from a Windows XP machine to Windows
> > 2003 Server on a different network resulted in the same errant behavior.
> >
> > However, a Java client that accesses the same web service succeeds. We
> > employed an HTTP packet sniffer to examine the difference between the
> > Request and Response interaction between the respective clients and the
> > server. First, here is the C# client's request:
> >
> >
> > Hypertext Transfer Protocol
> > POST /xxxservices/ws HTTP/1.1\r\n
> > Request Method: POST
> > Request URI: /xxxervices/ws
> > Request Version: HTTP/1.1
> > User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; MS Web Services Client
> > Protocol 1.1.4322.2032)\r\n
> > Content-Type: text/xml; charset=utf-8\r\n
> > SOAPAction: ""\r\n
> > Content-Length: 790\r\n
> > Expect: 100-continue\r\n
> > Connection: Keep-Alive\r\n
> > Host: xxxxx.xxxxxxxxxxx.com\r\n
> > \r\n
> >
> >
> >
> > Next, here is the request made by the Java client
> >
> > Hypertext Transfer Protocol
> > POST /xxxservices/ws?wsdl HTTP/1.1\r\n
> > Request Method: POST
> > Request URI: /xxxservices/ws?wsdl
> > Request Version: HTTP/1.1
> > Content-Type: text/xml\r\n
> > SOAPAction: ""\r\n
> > Authorization: Basic xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx=\r\n
> > Credentials: username:password
> > User-Agent: Java/1.5.0_05\r\n
> > Host: xxxxx.xxxxxxxxxxx.com\r\n
> > Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2\r\n
> > Connection: keep-alive\r\n
> > Content-Length: 686\r\n
> > \r\n
> >
> >
> >
> > Here is the C# client code, which fails:
> >
> >
> >
> > try
> > {
> > XXXServices service = new XXXServices();
> > String userName = "username";
> > String password = "password";
> >
> > NetworkCredential cred = new NetworkCredential(userName,password);
> >
> > service.Credentials = cred;
> >
> > String appString = "appstring";
> > String xmlReq = "A string that contains XML data";
> >
> > textBox1.Text = service.Url + Environment.NewLine +
> > service.sendxml(appString,xmlReq);
> >
> >
> > }
> > catch(Exception ex)
> > {
> >
> > textBox1.Text = ex.ToString();
> > }
> >
> >
> >
> > Finally, here is the Java code, which succeeds:
> >
> >
> >
> > try
> > {
> > String
> > wsdlUrl="http://xxxxx.xxxxxxxxxxx.com/xxxservices/ws?wsdl";;
> > System.out.println("Getting proxy to = "+wsdlUrl);
> > XXXServices service = new XXXServices_Impl();
> > XXXServicesPort_Stub stub = (XXXServicesPort_Stub)
> > service.getXXXServicesPort();
> >
> > stub._setProperty(javax.xml.rpc.Stub.USERNAME_PROPERTY,"username");
> >
> > stub._setProperty(javax.xml.rpc.Stub.PASSWORD_PROPERTY,"password");
> > stub._setProperty(javax.xml.rpc.Stub.ENDPOINT_ADDRESS_PROPERTY,
> > wsdlUrl);
> > XXXServicesPort port = (XXXServicesPort) stub;
> > String xmlTrans = "A string that contains XML data";
> > System.out.println("Sending transaction: "+xmlTrans);
> > String result = port.sendxml("appstring",xmlTrans);
> > System.out.println("Result = "+result);
> >
> > }
> > catch(Exception e)
> > {
> > System.out.println(e.toString());
> > e.printStackTrace();
> > }
> >
> >
> > The ideal outcome to this problem involves somehow "fixing" the C# code so
> > it plays nicely with the Web Logic server. We have entertained the
> > following possible approaches:
> >
> >
> > 1. Deploy the Java code as some kind of intermediate "translator"
> > between C# and Java SOAP formats
> > 2. Integrate the Java code using Interop into the C# client, so that
> > all the Web Service interaction is done in Java, but the business logic
> > remains C#
> > 3. Overload the auto-generated C# proxy to produce a header that
> > "looks-like" the Java header.
> >
> >
> > None of these seems particular "right." Further, we're not entirely sure
> > how we would do any of them, since we are mostly a .NET shop and have little
> > Java experience. Our operations group is also not crazy about running an
> > Apache server to host the Java code, if it comes to that.
> >
> >
> > Can anyone on this list recommend either a) a better solution that works or
> > b) an implementation approach to one of the above-mentioned solutions, 1, 2
> > or 3? We would also be very interested to hear about similar experiences
> > and solutions that have succeeded or failed. Lastly, if this is a
> > documented problem that Microsoft, Sun, BEA (or whoever) knows about, and
> > someone can point us to an article, that would be very helpful.
> >
> > Many thanks in advance
.
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