How To: Call a Java EE Web Service from a .Net Client


I have to call a Java Web Service from a .Net Client .I'm using VS2008 (.net 3.5)

Did you face the same situation ?

The web service offers some methods. Each method returns a xml file and a xml attachment.

I found this article. .

Do you think that this is a good resource ?  I watched something about WCF. Have I to use WCF ?

How can I manage xml attachment ?

thank you for your attention .



1/21/2009 1:08:12 PM 7071 articles. 0 followers. Follow

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It's a good resource and there are also other ways to do it. 

Basically you need to understand which standards whe Java service uses (e.g. which security protocols and versions, which attachment format).

One you have this information you can decide the best way to access it.
Web Services Performance, Interoperability And Testing Blog
1/21/2009 4:18:32 PM

Thank You for your answer  .

In this moment I know that web service was developed with Java. It is installed on a Tomcat server.

A method must return a xml string and a DIME attachment. Attachments are encoded .

I tested article's code. It seems that is no way to manage attachment ...

When I invoked a method I saw this error . "The content type application/dime of the response message does not match the content type of the binding (text/xml; charset=utf-8). If using a custom encoder, be sure that the IsContentTypeSupported method is implemented properly.".

My custom code ( more or less)

WebApp.MyReference.WSMethodClient myMethod = newWebApp.MyReference.WSMethodClient();

// return a xml string and a attachment to soap message. I get xml string , but how can get attachment  ?
string l_var = myMethod.service( p_CodApplication,   p_UserName,   p_Password ); 

How can I manage the attachment ? 





1/21/2009 4:53:26 PM
The only way to use DIME with .Net is by using .Net 2.0 proxies + Web Services Enhancements 2 (WSE2). 
You should read about WSE2 and download it.
The article uses WCF which is .Net 3.5 and cannot consume DIME (unless you will implement it yourself).
Web Services Performance, Interoperability And Testing Blog
1/21/2009 8:34:02 PM

Yaron, WSE 2.0 is very obsolete. Would WSE 3.0 work? It is somewhat less obsolete.

BTW, is DIME also "obsolete"? Should we be asking Microsoft to support it in WCF?

John Saunders | MVP – Connected System Developer
1/21/2009 8:39:13 PM

I found this :

I'm going to test it soon ..

1/21/2009 9:51:25 PM

WSE3 does not support DIME. And, yes, DIME is obsolete and should only be used with legacy services.
Web Services Performance, Interoperability And Testing Blog
1/22/2009 2:25:05 PM

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