Work around identified! Only fails if binding style=rpc", set it to style="document" problem goes away.
> -----Original Message----- > From: Richard Wallis [mailto:[EMAIL PROTECTED] > Sent: 07 March 2005 13:27 > To: [email protected] > Subject: Serialise with MinOccurs=0 > > In axis-1.2RC2, I am having a general problem returning > complex messages with optional elements. > > To try and track down the problem I have created a simple > test setup to pass a simple message and return an identical > [but differently named] message where one of the elements is > optional (ie. MinOccurs=0) > > <xsd:complexType name="TestUserResponse"> > <xsd:sequence> > <xsd:element name="VisibleUserIdentifierType" > type="key:IdentifierType"/> > <xsd:element name="VisibleUserIdentifier" > type="xsd:string" minOccurs="0" /> > <xsd:element name="Desired" type="key:Desired"/> > </xsd:sequence> > </xsd:complexType> > > wsdl2Java provides me with a TestUserResponse.java which is > the return type for my TestLookupSoapBindingImpl class. If I > correctly populate all the elements of the TestUserResponse > object that I return, thus: > > ret.setVisibleUserIdentifierType(lookupUserRequest.getVisibleU > serIdentif > ierType()); > > ret.setVisibleUserIdentifier(lookupUserRequest.getVisibleUserI > dentifier( > )); > ret.setDesired(lookupUserRequest.getDesired()); > Everything is fine. > > If I don't want a 'VisibleUserIdentifier' element which the > minOccurs="0" should allow me to do, I either don't call > 'setVisibleUserIdentifier()' or call it with a null value. > In either case the service returns null to the client thus: > <soapenv:Body> > <ns1:lookResponse > soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"; > xmlns:ns1="urn:TestLookup"> > <lookUpReturn xsi:type="ns2:TestUserResponse" xsi:nil="true" > xmlns:ns2="http://schemas.talis.com/ws/Keystone"/> > </ns1:lookResponse> > </soapenv:Body></soapenv:Envelope> > > I presume that the serialiser is failing to serialise a null > element correctly. > > Any idea how I can make it serialise a null element, or > instruct it not to try? > > Regards, > Richard > > > > > > >
