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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