Would it work if instead of making .Net RPC-style, you make Java's
doc/lit/wrapped style?
Steve Ichniowski wrote:
I got it working, will post Java code if others desire to see it.
I think the main thing was to make the .NET service an RPC-style
service.
-----Original Message-----
From: Steve Ichniowski
Sent: Thursday, December 16, 2004 1:59 PM
To: [EMAIL PROTECTED]
Subject: RE: Java Client accessing a .NET Web Service
Given this very simple .NET web service in C#, can someone get a Java
client using Apache Axis to access it? I am trying at this moment to do
so.
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Web.Services.Description;
namespace WebService1
{
/// <summary>
/// This is a practice Web Service.
/// </summary>
[SoapRpcService(RoutingStyle=SoapServiceRoutingStyle.SoapAction)]
public class SumService : System.Web.Services.WebService
{
public SumService()
{
//CODEGEN: This call is required by the ASP.NET
Web Services Designer
InitializeComponent();
}
#region Component Designer generated code
//Required by the Web Services Designer
private IContainer components = null;
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if(disposing && components != null)
{
components.Dispose();
}
base.Dispose(disposing);
}
#endregion
[WebMethod]
public int Add(int a, int b)
{
return a + b;
}
}
}
-----Original Message-----
From: Simon Fell [mailto:[EMAIL PROTECTED]
Sent: Thursday, December 16, 2004 1:52 PM
To: [EMAIL PROTECTED]
Subject: RE: Java Client accessing a .NET Web Service
I don't know where the urban ledgend that .NET can't handle arrays of
complex types that contain complex types comes from, but its not true. I
have a service that returns arrays of complex types containing arrays of
complex types and it works fine with a .NET client.
Cheers
Simon
-----Original Message-----
From: ANDREW MICONE [mailto:[EMAIL PROTECTED]
Sent: Thursday, December 16, 2004 9:36 AM
To: [EMAIL PROTECTED]
Subject: Re: Java Client accessing a .NET Web Service
Microsoft publishes a book called ".NET and J2EE
Interoperability," but I don't know how much good it is going
to do you. Here's the things I found out on my own in my last project:
1) You have to run Axis 1.1 because .NET doesn't support
certain SOAP encodings generated by Axis (strings for
example). Microsoft claims that the SOAP encodings it doesn't
support are optional and not part of WS-I. As far as the Axis
dev's have said, they will have a solution to this problem in
Axis by the release of Axis 1.2.
2) Understand that .NET cannot serialize and deserialize all
the types of objects that are supported by WSDL's, including
multidimensional arrays and arrays of complex types not
consisting of XSD primitives.
3) If your exchange partner running .NET uses WSE, it will be
of great help in enhancing interoperability.
4) Tweaks to your tomcat configuration may be necessary. You
may need to set disableProxyCaching="false" on valves that
involve your authenticator classes and set
maxKeepAliveRequests to 1 to compensate for Microsoft's HTTP
implementation of the HTTP 100 continue message that is used
by both Explorer and .NET. Without these tweaks, some
services can fail to interoperate when crossing firewalls
that do stateful packet inspection and non-Microsoft proxy
servers (e.g. squid).
4) If you are in early cycle of your project, design the WSDL
first, and try to keep it very simple to maximize interoperability.
5) I found this paper from IBM's software group to be
absolutely invaluable:
www.dsg.cs.tcd.ie/~dowlingj/
teaching/ds/tutorials/AxisVeryAdvanced.pdf
(Yes, I think there's a space in that URL).
Good luck,
-- Andy
[EMAIL PROTECTED] 12/15/04 08:07PM >>>
Anyone know of some up-to-date books or references on how
to access a .NET web service from a Java client that uses
Apache Axis as it's SOAP engine?
O'Reilly's Java and SOAP (2002) has a small section on it,
but it is very small
and the book says Axis was very new at the time and that it
could change considerably.
Tomcat and Apaches Axis and SOAP are changing so fast, the
O'Reilly books
just can't keep up.
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