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From Peter Molettiere <pie...@axonstudios.net>
Subject Problems with MapSerializer
Date Fri, 10 Dec 2004 18:06:17 GMT

It looks like there's a bug with the MapSerializer. If I try to 
serialize this map:

         HashMap map = new HashMap();
         map.put("self", map);

It produces the following xml (which seems correct to me):

<soapenv:Envelope 
xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" 
xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <soapenv:Body>
   <ns1:method1 xmlns:ns1="urn:GreenArray">
    <struct href="#id0"/>
   </ns1:method1>
   <multiRef id="id0" soapenc:root="0" 
soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" 
xsi:type="ns2:Map" 
xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" 
xmlns:ns2="http://xml.apache.org/xml-soap">
    <item>
     <key xsi:type="soapenc:string">self</key>
     <value href="#id0"/>
    </item>
   </multiRef>
  </soapenv:Body>
</soapenv:Envelope>

(I'm creating my message like this, thus the struct and method1 
elements:)

         AxisServer server = new AxisServer();
         server.setOption(AxisEngine.PROP_DOMULTIREFS, Boolean.TRUE);
         MessageContext msgContext = new MessageContext(server);
         msgContext.setProperty(AxisEngine.PROP_DOMULTIREFS, 
Boolean.TRUE);
         SOAPEnvelope msg = new SOAPEnvelope();
         RPCParam arg = new RPCParam("", "struct", data);
         RPCElement body = new RPCElement(SOAPFactory.NAMESPACE, 
"method1",
                 new Object[]{arg});
         msg.addBodyElement(body);
         StringWriter writer = new StringWriter();

         SerializationContext context = new SerializationContext(writer, 
msgContext);

         TypeMappingRegistry reg = context.getTypeMappingRegistry();
         lastRegistry = reg;
         msg.output(context);

         String messageStr = writer.toString();
         System.err.println(messageStr);

         Reader reader = new StringReader(messageStr);
         DeserializationContext dser = new DeserializationContext
                 (new InputSource(reader), msgContext, 
org.apache.axis.Message.REQUEST);
         dser.parse();
         SOAPEnvelope env = dser.getEnvelope();

         RPCElement rpcElem = (RPCElement) env.getFirstBody();
         RPCParam struct = rpcElem.getParam(WRAP_ELEMENT);

This last struct is always NULL however, if the map I use contains any 
type of circular reference. Note that if there is no circular 
reference, everything deserializes correctly.

Any and all help with this is greatly appreciated.

--
Peter Molettiere
Senior Engineer
Truereq, Inc.
http://www.truereq.com/


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