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From "nadir amra (JIRA)" <>
Subject [jira] Commented: (AXISCPP-978) deserializing of arrays of complex types with optional elements broken
Date Fri, 11 Aug 2006 05:36:15 GMT
    [ ] 
nadir amra commented on AXISCPP-978:

I am going to resolve the issue as described above, i.e. inserting "m_pNode = NULL" in all
3 occurrences.  Also, somewhat related to nodes not being handled correctly, if a complex
type defined as:

      <s:complexType name="SortR">
          <s:element minOccurs="0" maxOccurs="1" name="ListMsg" type="tns:ArrayOfMsgS"
          <s:element minOccurs="0" maxOccurs="1" name="DateMed" type="s:string" />
          <s:element minOccurs="1" maxOccurs="1" name="NumberMed" type="s:int" />

And the response comes back as:


The deserialization of ListMsg does not recognize the fact that empty element was passed and
thus attempts to parse the subsequent data as if it was part of ListMsg.  I have added code
SoapDeSerializer::getCmplxObject() so that it now looks like the following (the else part
is new):

            if (0 != m_pNode->m_pchAttributes[0])    { ... }
	            // AXISCPP-978
	            // If the node represents a START_END_ELEMENT, then simply return
	            if (START_END_ELEMENT == m_pNode->m_type2)
	                m_pNode = NULL;    /* node identified and used */
	                return NULL;

Please let me know if there is a problem with this.  

> deserializing of arrays of complex types with optional elements broken
> ----------------------------------------------------------------------
>                 Key: AXISCPP-978
>                 URL:
>             Project: Axis-C++
>          Issue Type: Bug
>          Components: Client - Deserialization
>    Affects Versions: current (nightly)
>         Environment: WIN2KSP4 MSVC6SP6 JDK 1.5.0_07 XercesC 2.7.0
>            Reporter: Franz Fehringer
>         Assigned To: nadir amra
>         Attachments: pegs.wsdl, pegs.xsd, t_RoomRate2.cpp, t_SellRate.cpp, vaw.xml
> With AxisC++ (current SVN plus XercesC 2.7.0 on WIN2KSP4/JDK5/VC6SP6) i have a severe
problem, namely that my response message is not parsed correctly.
> With the fragment (whole xml response appended)
> <pgs:RequiredRoom exactMatch="true" adults="1" children="1" cots="1" extraAdultBeds="1"
> <pgs:SellRate currencyCode="USD" inclusiveOfTax="false" commission="5">70</pgs:SellRate>
> in the first line the AxisC XercesC wrapper advances (using next()) from START_ELEMENT
to CHARACTER_ELEMENT after having read all attributes and therefore correctly detects "SINGLE".
> But in the second line after having read all attributes, next() does not advance to CHARACTER_ELEMENT,
but stays on START_ELEMENT, which means that "70" cannot be read (and the whole following
xml block is disregarded too).
> It seems, that in the second line the AxisC++ deserializing code thinks that there is
something left, which has to be handled prior to advancing to the CHARACTER_ELEMENT.
> We had some debug sessions and our first guess is, that there is something wrong with
deserializing arrays/lists/sequences (which are nested in this case; maybe the problem?).
> A second (to our opinion less probable) guess is, that the AxisC deserializer thinks,
that there could be remaining attributes.
> What can be observed is, that in the first (successful) case m_bPeeked is false, whereas
in the second (error) case m_bPeeked is true. 

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