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From Nate Roe <nate....@vegas.com>
Subject Returning an object containing an empty array
Date Tue, 01 Apr 2008 00:16:39 GMT
I am using Axis2 v1.3 and Rampart v1.3 on JBossAS v4.0.5 running on Java 1.6.0_03.

I'm deploying a POJO service that returns an object containing an array with a single element.
 When my client reads the response, it throws:

AxisFault thrown.  Reason: org.apache.axis2.databinding.ADBException: Unexpected subelement
...

I have also previously tried to return an object containing an empty array, and that also
throws with "unexpected subelement".

My WSDL:

<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:axis2="http://person.vegas.com/"
xmlns:ns1="http://test.vegas.com/xsd" xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl"
xmlns:http="http://schemas.xmlsoap.org/wsdl/http/" xmlns:ns0="http://person.vegas.com" xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" targetNamespace="http://person.vegas.com/">
    <wsdl:documentation>doPersonTest</wsdl:documentation>
    <wsdl:types>
        <xs:schema xmlns:ns="http://person.vegas.com" attributeFormDefault="qualified"
elementFormDefault="qualified" targetNamespace="http://person.vegas.com">
            <xs:element name="getPersonResponse">
                <xs:complexType>
                    <xs:sequence>
                        <xs:element minOccurs="0" name="return" nillable="true" type="ns1:Person"/>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="getPeople">
                <xs:complexType>
                    <xs:sequence>
                        <xs:element minOccurs="0" name="numPeople" type="xs:int"/>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="getPeopleResponse">
                <xs:complexType>
                    <xs:sequence>
                        <xs:element minOccurs="0" name="return" nillable="true" type="xs:anyType"/>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
        </xs:schema>
        <xs:schema xmlns:ax22="http://test.vegas.com/xsd" attributeFormDefault="qualified"
elementFormDefault="qualified" targetNamespace="http://test.vegas.com/xsd">
            <xs:complexType name="Person">
                <xs:sequence>
                    <xs:element maxOccurs="unbounded" minOccurs="0" name="addresses" nillable="true"
type="ax22:Address"/>
                    <xs:element minOccurs="0" name="name" nillable="true" type="xs:string"/>
                </xs:sequence>
            </xs:complexType>
            <xs:complexType name="Address">
                <xs:sequence>
                    <xs:element minOccurs="0" name="city" nillable="true" type="xs:string"/>
                    <xs:element minOccurs="0" name="street" nillable="true" type="xs:string"/>
                </xs:sequence>
            </xs:complexType>
        </xs:schema>
    </wsdl:types>
    <wsdl:message name="getPeopleRequest">
        <wsdl:part name="parameters" element="ns0:getPeople"/>
    </wsdl:message>
    <wsdl:message name="getPeopleResponse">
        <wsdl:part name="parameters" element="ns0:getPeopleResponse"/>
    </wsdl:message>
    <wsdl:message name="getPersonRequest"/>
    <wsdl:message name="getPersonResponse">
        <wsdl:part name="parameters" element="ns0:getPersonResponse"/>
    </wsdl:message>
    <wsdl:portType name="doPersonTestPortType">
        <wsdl:operation name="getPeople">
            <wsdl:input message="axis2:getPeopleRequest" wsaw:Action="urn:getPeople"/>
            <wsdl:output message="axis2:getPeopleResponse" wsaw:Action="urn:getPeopleResponse"/>
        </wsdl:operation>
        <wsdl:operation name="getPerson">
            <wsdl:input message="axis2:getPersonRequest" wsaw:Action="urn:getPerson"/>
            <wsdl:output message="axis2:getPersonResponse" wsaw:Action="urn:getPersonResponse"/>
        </wsdl:operation>
    </wsdl:portType>
    <wsdl:binding name="doPersonTestSOAP11Binding" type="axis2:doPersonTestPortType">
        <soap:binding transport="http://schemas.xmlsoap.org/soap/http" style="document"/>
        <wsdl:operation name="getPeople">
            <soap:operation soapAction="urn:getPeople" style="document"/>
            <wsdl:input>
                <soap:body use="literal"/>
            </wsdl:input>
            <wsdl:output>
                <soap:body use="literal"/>
            </wsdl:output>
        </wsdl:operation>
        <wsdl:operation name="getPerson">
            <soap:operation soapAction="urn:getPerson" style="document"/>
            <wsdl:input>
                <soap:body use="literal"/>
            </wsdl:input>
            <wsdl:output>
                <soap:body use="literal"/>
            </wsdl:output>
        </wsdl:operation>
    </wsdl:binding>
    <wsdl:binding name="doPersonTestSOAP12Binding" type="axis2:doPersonTestPortType">
        <soap12:binding transport="http://schemas.xmlsoap.org/soap/http" style="document"/>
        <wsdl:operation name="getPeople">
            <soap12:operation soapAction="urn:getPeople" style="document"/>
            <wsdl:input>
                <soap12:body use="literal"/>
            </wsdl:input>
            <wsdl:output>
                <soap12:body use="literal"/>
            </wsdl:output>
        </wsdl:operation>
        <wsdl:operation name="getPerson">
            <soap12:operation soapAction="urn:getPerson" style="document"/>
            <wsdl:input>
                <soap12:body use="literal"/>
            </wsdl:input>
            <wsdl:output>
                <soap12:body use="literal"/>
            </wsdl:output>
        </wsdl:operation>
    </wsdl:binding>
    <wsdl:binding name="doPersonTestHttpBinding" type="axis2:doPersonTestPortType">
        <http:binding verb="POST"/>
        <wsdl:operation name="getPeople">
            <http:operation location="doPersonTest/getPeople"/>
            <wsdl:input>
                <mime:content type="text/xml" part="getPeople"/>
            </wsdl:input>
            <wsdl:output>
                <mime:content type="text/xml" part="getPeople"/>
            </wsdl:output>
        </wsdl:operation>
        <wsdl:operation name="getPerson">
            <http:operation location="doPersonTest/getPerson"/>
            <wsdl:input>
                <mime:content type="text/xml" part="getPerson"/>
            </wsdl:input>
            <wsdl:output>
                <mime:content type="text/xml" part="getPerson"/>
            </wsdl:output>
        </wsdl:operation>
    </wsdl:binding>
    <wsdl:service name="doPersonTest">
        <wsdl:port name="doPersonTestSOAP11port_http" binding="axis2:doPersonTestSOAP11Binding">
            <soap:address location="http://localhost:8080/axis2/services/doPersonTest"/>
        </wsdl:port>
        <wsdl:port name="doPersonTestSOAP12port_http" binding="axis2:doPersonTestSOAP12Binding">
            <soap12:address location="http://localhost:8080/axis2/services/doPersonTest"/>
        </wsdl:port>
        <wsdl:port name="doPersonTestHttpport" binding="axis2:doPersonTestHttpBinding">
            <http:address location="http://localhost:8080/axis2/services/doPersonTest"/>
        </wsdl:port>
    </wsdl:service>
</wsdl:definitions>



The SOAP response:
<?xml version='1.0' encoding='UTF-8'?>
<soapenv:Envelope xmlns:soapenv="http://www.w3.org/2003/05/soap-envelope">
        <soapenv:Body>
                <ns:getPeopleResponse xmlns:ns="http://person.vegas.com" xmlns:ax21="http://test.vegas.com/xsd">
                        <ns:return type="com.vegas.test.Person">
                                <ax21:address type="com.vegas.test.Address">
                                        <ax21:city>Las Vegas</ax21:city>
                                        <ax21:street>12345 Pecos Road</ax21:street>
                                </ax21:address>
                                <ax21:name>Jeff Doe 0</ax21:name>
                        </ns:return>
                        <ns:return type="com.vegas.test.Person">
                                <ax21:address type="com.vegas.test.Address">
                                        <ax21:city>Las Vegas</ax21:city>
                                        <ax21:street>12345 Pecos Road</ax21:street>
                                </ax21:address>
                                <ax21:name>Jeff Doe 1</ax21:name>
                        </ns:return>
                        <ns:return type="com.vegas.test.Person">
                                <ax21:address type="com.vegas.test.Address">
                                        <ax21:city>Las Vegas</ax21:city>
                                        <ax21:street>12345 Pecos Road</ax21:street>
                                </ax21:address>
                                <ax21:name>Jeff Doe 2</ax21:name>
                        </ns:return>
                        <ns:return type="com.vegas.test.Person">
                                <ax21:address type="com.vegas.test.Address">
                                        <ax21:city>Las Vegas</ax21:city>
                                        <ax21:street>12345 Pecos Road</ax21:street>
                                </ax21:address>
                                <ax21:name>Jeff Doe 3</ax21:name>
                        </ns:return>
                        <ns:return type="com.vegas.test.Person">
                                <ax21:address type="com.vegas.test.Address">
                                        <ax21:city>Las Vegas</ax21:city>
                                        <ax21:street>12345 Pecos Road</ax21:street>
                                </ax21:address>
                                <ax21:name>Jeff Doe 4</ax21:name>
                        </ns:return>
                </ns:getPeopleResponse>
        </soapenv:Body>
</soapenv:Envelope>


Why does this occur?

Thanks,
Nate Roe

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