Appel d'un service Web Java à partir d'un client dot net

Question

Lorsque j'essaie d'accéder à un service Web hébergé dans Tomcat à partir du code C#, un message d'erreur s'affiche comme suit.

There was an error in serializing body of message searchRepositoriesRequest: ' 
Unable to generate a temporary class (result=1). 
error CS0266: Cannot implicitly convert type 'object' to 'object[]'. An explicit 
conversion exists (are you missing a cast?) 
error CS0266: Cannot implicitly convert type 'object' to 'object[]'. An explicit 
conversion exists (are you missing a cast?) 
error CS0266: Cannot implicitly convert type 'object' to 'object[]'. An explicit 
conversion exists (are you missing a cast?) 
'. Please see InnerException for more details. 

Quelqu'un peut-il m'aider? Veuillez vous référer à la trace de pile donnée ci-dessous.

Server stack trace: 
    at System.ServiceModel.Dispatcher.XmlSerializerOperationFormatter.SerializeBo 
dy(XmlDictionaryWriter writer, MessageVersion version, String action, MessageDes 
cription messageDescription, Object returnValue, Object[] parameters, Boolean is 
Request) 
    at System.ServiceModel.Dispatcher.OperationFormatter.SerializeBodyContents(Xm 
lDictionaryWriter writer, MessageVersion version, Object[] parameters, Object re 
turnValue, Boolean isRequest) 
    at System.ServiceModel.Dispatcher.OperationFormatter.OperationFormatterMessag 
e.OperationFormatterBodyWriter.OnWriteBodyContents(XmlDictionaryWriter writer) 
    at System.ServiceModel.Channels.BodyWriter.WriteBodyContents(XmlDictionaryWri 
ter writer) 
    at System.ServiceModel.Channels.BodyWriterMessage.OnWriteBodyContents(XmlDict 
ionaryWriter writer) 
    at System.ServiceModel.Channels.Message.OnWriteMessage(XmlDictionaryWriter wr 
iter) 
    at System.ServiceModel.Channels.Message.WriteMessage(XmlDictionaryWriter writ 
er) 
    at System.ServiceModel.Channels.BufferedMessageWriter.WriteMessage(Message me 
ssage, BufferManager bufferManager, Int32 initialOffset, Int32 maxSizeQuota) 
    at System.ServiceModel.Channels.TextMessageEncoderFactory.TextMessageEncoder. 
WriteMessage(Message message, Int32 maxMessageSize, BufferManager bufferManager, 
Int32 messageOffset) 
    at System.ServiceModel.Channels.HttpOutput.SerializeBufferedMessage(Message m 
essage) 
    at System.ServiceModel.Channels.HttpOutput.Send(TimeSpan timeout) 
    at System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpCha 
nnelRequest.SendRequest(Message message, TimeSpan timeout) 
    at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeS 
pan timeout) 
    at System.ServiceModel.Dispatcher.RequestChannelBinder.Request(Message messag 
e, TimeSpan timeout) 
    at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean on 
eway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan tim 
eout) 
    at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean on 
eway, ProxyOperationRuntime operation, Object[] ins, Object[] outs) 
    at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCall 
Message methodCall, ProxyOperationRuntime operation) 
    at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message) 

Exception rethrown at [0]: 
    at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage req 
Msg, IMessage retMsg) 
    at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgDa 
ta, Int32 type) 
    at WSTesting2.SBS.SBSQueryService.searchRepositories(searchRepositoriesReques 
t request) 
    at WSTesting2.SBS.SBSQueryServiceClient.WSTesting2.SBS.SBSQueryService.search 
Repositories(searchRepositoriesRequest request) in E:\Tetsngs\WSTesting2\Service 
References\SBS\Reference.cs:line 2253 
    at WSTesting2.SBS.SBSQueryServiceClient.searchRepositories(searchRequest arg0 
) in E:\Tetsngs\WSTesting2\Service References\SBS\Reference.cs:line 2259 
    at WSTesting2.Program.Main(String[] args) in E:\Tetsngs\WSTesting2\Program.cs 
:line 66Press any key to continue . . . 

Answer 1

Nous avons eu le même problème. Je crois que vous trouverez une liste de listes quelque part dans le wsdl, c'est-à-dire un élément avec maxOccurs = unbounded et le type étant une séquence d'un seul élément également avec maxOccurs = unbounded.

Voir 'Error serializing body'. Problem calling Fedex webservice through .NET 3.5 pour un autre cas.

Les solutions possibles incluent la modification des listes de listes wsdl n'utilisent pas (par exemple, ajouter un champ fictif au type interne), ou comme suggéré sur l'autre lien modifier manuellement votre code généré.