[Mono-dev] serialization problem

Ivano Luberti luberti at archicoop.it
Wed Feb 1 04:32:50 EST 2006 

Hi, I'm sorry to bore the list with a bunch of message but after 
using mono for 2 month with little problems now I think I have hit a 
serious (at least for me) bug.

Before submitting it I want to ask to developers.

Im consuming a web service. Calling one of its method using the .NET 
framework everything works well.
When I compile it under mono as a dll and I run it under XSP I get 
the exception I report below.


I looked at the XML sent to the web service and it is empty.
Then I realized that the error happens before the XML is sent and 
this explian why it is empty (however it doesnt explain why the call 
to the seb service is performed)

If you need some more detail please ask me precisely what you need 
because I cannot spread the code of the web service client since I 
have signed an NDA with the provider (I know it sounds a bit strange 
but that's it ). So if I have to provide code I have to mask it.






Object reference not set to an instance of an object
- in <0x0001d> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteMemberElement 
(System.Xml.Serialization.XmlTypeMapElementInfo elem, System.Object 
memberValue)
in <0x00205> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteElementMembers 
(System.Xml.Serialization.ClassMap map, System.Object ob, Boolean isValueList)
in <0x00041> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteObjectElementElements 
(System.Xml.Serialization.XmlTypeMapping typeMap, System.Object ob)
in <0x000b0> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteObjectElement 
(System.Xml.Serialization.XmlTypeMapping typeMap, System.Object ob, 
System.String element, System.String namesp)
in <0x0029b> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteObject 
(System.Xml.Serialization.XmlTypeMapping typeMap, System.Object ob, 
System.String element, System.String namesp, Boolean isNullable, 
Boolean needType, Boolean writeWrappingElem)
in <0x00553> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteMemberElement 
(System.Xml.Serialization.XmlTypeMapElementInfo elem, System.Object 
memberValue)
in <0x00205> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteElementMembers 
(System.Xml.Serialization.ClassMap map, System.Object ob, Boolean isValueList)
in <0x00041> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteObjectElementElements 
(System.Xml.Serialization.XmlTypeMapping typeMap, System.Object ob)
in <0x000b0> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteObjectElement 
(System.Xml.Serialization.XmlTypeMapping typeMap, System.Object ob, 
System.String element, System.String namesp)
in <0x0029b> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteObject 
(System.Xml.Serialization.XmlTypeMapping typeMap, System.Object ob, 
System.String element, System.String namesp, Boolean isNullable, 
Boolean needType, Boolean writeWrappingElem)
in <0x00553> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteMemberElement 
(System.Xml.Serialization.XmlTypeMapElementInfo elem, System.Object 
memberValue)
in <0x00107> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteListContent 
(System.Object container, System.Xml.Serialization.TypeData listType, 
System.Xml.Serialization.ListMap map, System.Object ob, 
System.Text.StringBuilder targetString)
in <0x003fc> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteMemberElement 
(System.Xml.Serialization.XmlTypeMapElementInfo elem, System.Object 
memberValue)
in <0x00110> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteElementMembers 
(System.Xml.Serialization.ClassMap map, System.Object ob, Boolean isValueList)
in <0x00041> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteObjectElementElements 
(System.Xml.Serialization.XmlTypeMapping typeMap, System.Object ob)
in <0x000b0> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteObjectElement 
(System.Xml.Serialization.XmlTypeMapping typeMap, System.Object ob, 
System.String element, System.String namesp)
in <0x0029b> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteObject 
(System.Xml.Serialization.XmlTypeMapping typeMap, System.Object ob, 
System.String element, System.String namesp, Boolean isNullable, 
Boolean needType, Boolean writeWrappingElem)
in <0x00553> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteMemberElement 
(System.Xml.Serialization.XmlTypeMapElementInfo elem, System.Object 
memberValue)
in <0x00205> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteElementMembers 
(System.Xml.Serialization.ClassMap map, System.Object ob, Boolean isValueList)
in <0x0002b> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteMembers 
(System.Xml.Serialization.ClassMap map, System.Object ob, Boolean isValueList)
in <0x00120> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteMessage 
(System.Xml.Serialization.XmlMembersMapping membersMap, 
System.Object[] parameters)
in <0x001fd> 
System.Xml.Serialization.XmlSerializationWriterInterpreter:WriteRoot 
(System.Object ob)
in <0x00061> System.Xml.Serialization.XmlSerializer:Serialize 
(System.Object o, System.Xml.Serialization.XmlSerializationWriter writer)
in <0x000b9> System.Xml.Serialization.XmlSerializer:Serialize 
(System.Xml.XmlWriter writer, System.Object o, 
System.Xml.Serialization.XmlSerializerNamespaces namespaces)
in <0x00012> System.Xml.Serialization.XmlSerializer:Serialize 
(System.Xml.XmlWriter xmlWriter, System.Object o)
in <0x000e7> 
System.Web.Services.Protocols.WebServiceHelper:WriteSoapMessage 
(System.Xml.XmlTextWriter xtw, SoapBindingUse methodUse, 
System.Xml.Serialization.XmlSerializer bodySerializer, 
System.Xml.Serialization.XmlSerializer headerSerializer, 
System.Object bodyContent, System.Object[] headers)
in <0x0007f> 
System.Web.Services.Protocols.WebServiceHelper:WriteSoapMessage 
(System.Xml.XmlTextWriter xtw, 
System.Web.Services.Protocols.SoapMethodStubInfo method, 
SoapHeaderDirection dir, System.Object bodyContent, 
System.Web.Services.Protocols.SoapHeaderCollection headers)
in <0x00084> 
System.Web.Services.Protocols.SoapHttpClientProtocol:SendRequest 
(System.IO.Stream s, System.Web.Services.Protocols.SoapClientMessage 
message, System.Web.Services.Protocols.SoapExtension[] extensions)
in <0x0013b> 
System.Web.Services.Protocols.SoapHttpClientProtocol:Invoke 
(System.String method_name, System.Object[] parameters)
in <0x0005e> DocProviderWS.wssurveydata.SurveyData:GetData 
(System.String key, DocProviderWS.wssurveydata.TransferDefBase 
transferDef, DocProviderWS.wssurveydata.ResponseToken token)
in (wrapper remoting-invoke-with-check) 
DocProviderWS.wssurveydata.SurveyData:GetData 
(string,DocProviderWS.wssurveydata.TransferDefBase,DocProviderWS.wssurveydata.ResponseToken)
in <0x00295> DocProviderWS.ImplementazioneDocProviderWS:getVerbatims 
(DocProviderWS.Identificatorequestionario idquestionario, 
DocProviderWS.DomandaTestoLibero domanda, 
DocProviderWS.ParametriQuery parametri)





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==================================================
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Sede Operativa
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