Your WSDL doesn't validate - try using one of the many wsdl validators
and that should point you in the right direction. In the w3 case, you
also need to supply the external schema reference.

HTH,
Robert
http://www.braziloutsource.com/

On 7/19/06, Christian Pöcher <[EMAIL PROTECTED]> wrote:
Hi there,

since I am still very fresh to the area of webservices, I'm not sure, if
my problem is related to a bug in the code gerneration of Axis2 or if I
made an error.

I try to write a simple webservie that adds two integers and gives back
the sum. After writing the WSDL file and and generating code with
WSDL2Java, I notice errors in the code. I tried both Axis2 1.0 and the
nightly build of today. In 1.0 I get an error about newXMLStreamReader()
as described in http://issues.apache.org/jira/browse/AXIS2-760?page=all
and in the nightly I get totally funny code like this:
wrappedParam =
()fromOM(
msgContext.getEnvelope().getBody().getFirstElement(),
.class,
getEnvelopeNamespaces(msgContext.getEnvelope()));

I'd appriciate an explaination and a workaround very much.

I used the following WSDL file:

<?xml version="1.0"?>
<definitions name="mathWS"

targetNamespace="http://chris.math.ut.ee/plus.wsdl";
           xmlns:tns="http://chris.math.ut.ee/plus.wsdl";
           xmlns:xsd1="http://chris.math.ut.ee/plus.xsd";
           xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/";
           xmlns="http://schemas.xmlsoap.org/wsdl/";>

     <types>
        <schema xmlns="http://www.w3.org/2000/10/XMLSchema";>
           <element name="sum" type="integer"/>
           <element name="summands">
              <complexType>
                 <all>
                    <element name="summand0" type="integer"/>
                    <element name="summand1" type="integer"/>
                 </all>
              </complexType>
           </element>
        </schema>
     </types>

     <message name="getSum">
        <part name="rightHandSide" type="sum"/>
     </message>

     <message name="getSummands">
        <part name="leftHandSide" type="summands"/>
     </message>

     <portType name="mathWSPortType">
        <operation name="plus">
           <input message="tns:getSummands"/>
           <output message="tns:getSum"/>
        </operation>
     </portType>

     <binding name="mathWSSoapBinding" type="tns:mathWSPortType">
         <soap:binding style="document"
transport="http://schemas.xmlsoap.org/soap/http"/>
         <operation name="plus">
            <soap:operation soapAction="http://chris.math.ut.ee/plus"/>
            <input>
                <soap:body use="literal"/>
            </input>
            <output>
                <soap:body use="literal"/>
            </output>
         </operation>
     </binding>

     <service name="MathWS">
         <documentation>Does your maths</documentation>
         <port name="MathWSPort" binding="tns:mathWSSoapBinding">
            <soap:address location="http://example.com/mathws"/>
         </port>
     </service>

</definitions>

Afterwards, I decided to try the example WSDL file from the spec
(http://www.w3.org/TR/wsdl#_wsdl), which gives an exception with both
versions of Axis2.
Exception in thread "main"
org.apache.axis2.wsdl.codegen.CodeGenerationException: Error parsing WSDL
         at
org.apache.axis2.wsdl.codegen.CodeGenerationEngine.<init>(CodeGenerationEngine.java:123)
         at org.apache.axis2.wsdl.WSDL2Code.main(WSDL2Code.java:32)
         at org.apache.axis2.wsdl.WSDL2Java.main(WSDL2Java.java:21)
Caused by: org.apache.axis2.AxisFault: null; nested exception is:
         java.lang.NullPointerException
         at
org.apache.axis2.description.WSDL11ToAxisServiceBuilder.populateService(WSDL11ToAxisServiceBuilder.java:226)
         at
org.apache.axis2.wsdl.codegen.CodeGenerationEngine.<init>(CodeGenerationEngine.java:114)
         ... 2 more
Caused by: java.lang.NullPointerException
         at
org.apache.axis2.description.WSDL11ToAxisServiceBuilder.generateWrapperSchema(WSDL11ToAxisServiceBuilder.java:888)
         at
org.apache.axis2.description.WSDL11ToAxisServiceBuilder.populateService(WSDL11ToAxisServiceBuilder.java:192)
         ... 3 more

Any suggestions?

TIA, Chris

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