Problem description
--------------------------------------
When I call .NET service ( Visual Studio 2005 ) using
Axis2-generated client I got exception:
Exception in thread "main" org.apache.axis2.AxisFault: The input
stream for an incoming message is null.
at
org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:71)
at
org.apache.axis2.description.OutInAxisOperationClient.handleResponse(OutInAxisOperation.java:326)
at
org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:389)
at
org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:211)
at org.apache.axis2.client.OperationClient.execute(OperationClient.java:163)
at com.triniforce.soap.sample.Service1Stub.getStrings(Unknown Source)
at inv.CallSoap.main(Unknown Source)
Service function declaration
---------------------------------------
String[] getString(String []);
Schema
--------------------------------------
<s:element name="getStrings">
<s:complexType>
<s:sequence>
<s:element minOccurs="0" maxOccurs="1" name="arg"
type="tns:ArrayOfString"/>
</s:sequence>
</s:complexType>
</s:element>
<s:element name="getStringsResponse">
<s:complexType>
<s:sequence>
<s:element minOccurs="0" maxOccurs="1"
name="getStringsResult" type="tns:ArrayOfString"/>
</s:sequence>
</s:complexType>
</s:element>
<s:complexType name="ArrayOfString">
<s:sequence>
<s:element minOccurs="0" maxOccurs="unbounded" name="string"
nillable="true" type="s:string"/>
</s:sequence>
</s:complexType>
Calling code
--------------------------------------
Service1Stub stub = new Service1Stub(null,
"http://localhost:8091/Service1.asmx";);
GetStringsResponse res;
GetStrings arg = new GetStrings();
ArrayOfString arr1 = new ArrayOfString();
arr1.setString(new String[]{"Str1", null, "Str2"});
arg.setArg(arr1);
stub.getStrings(arg);
Request data
--------------------------------------
POST /Service1.asmx HTTP/1.1
Content-Type: application/soap+xml; charset=UTF-8;
action="http://triniforce.com/soap/sample/getStrings";
User-Agent: Axis2
Host: localhost:8091
Transfer-Encoding: chunked
158
<?xml version='1.0' encoding='UTF-8'?><soapenv:Envelope
xmlns:soapenv="http://www.w3.org/2003/05/soap-envelope";><soapenv:Body><ns1:getStrings
xmlns:ns1="http://triniforce.com/soap/sample";><ns1:arg><ns1:string>Str1</ns1:string><ns1:string>Str</ns1:string><ns1:string>Str2</ns1:string></ns1:arg></ns1:getStrings></soapenv:Body></soapenv:Envelope>
0
Answer data
--------------------------------------
HTTP/1.1 400 Bad Request
Server: ASP.NET Development Server/8.0.0.0
Date: Fri, 26 Oct 2007 08:45:01 GMT
X-AspNet-Version: 2.0.50727
Cache-Control: private
Content-Length: 0
Connection: Close
Axis 1.4
------------------------------
Axis 1.4 works better
Axis 1.4 request data
------------------------------
POST /Service1.asmx HTTP/1.0
Content-Type: text/xml; charset=utf-8
Accept: application/soap+xml, application/dime, multipart/related, text/*
User-Agent: Axis/1.4
Host: localhost:8091
Cache-Control: no-cache
Pragma: no-cache
SOAPAction: "http://triniforce.com/soap/sample/getStrings";
Content-Length: 381
Axis 1.4 response data
-------------------------------
HTTP/1.1 200 OK
Server: ASP.NET Development Server/8.0.0.0
Date: Fri, 26 Oct 2007 08:54:24 GMT
X-AspNet-Version: 2.0.50727
Cache-Control: private, max-age=0
Content-Type: text/xml; charset=utf-8
Content-Length: 408
Connection: Close
<?xml version="1.0" encoding="utf-8"?><soap:Envelope
xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xmlns:xsd="http://www.w3.org/2001/XMLSchema";><soap:Body><getStringsResponse
xmlns="http://triniforce.com/soap/sample";><getStringsResult><string>Str1</string><string>Str3</string></getStringsResult></getStringsResponse></soap:Body></soap:Envelope>
Some thoughts
-------------------------------
Axis 1.4 can call .NET service, but does not pass null element of array.
Axis2 1.4 generates correct xml request, including null, but
obviously .net does not understand http headeres.
If I send xml generated by Axis2 using SoapUI tool, it works perect.
SoapUI headers:
POST /Service1.asmx HTTP/1.1
Content-Type: text/xml;charset=UTF-8
SOAPAction: "http://triniforce.com/soap/sample/getStrings";
User-Agent: Jakarta Commons-HttpClient/3.0.1
Host: localhost:8091
Content-Length: 453
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