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POWCF Client not consuming user-defined datatype from Web Service (SCVTrace included)
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  1. POWCF Client not consuming user-defined datatype from Web Service (SCVTrace included)
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    copied!<p>As requested - here is the trace i got from SVCTraceViewer.exe </p> <p><code>&lt;E2ETraceEvent xmlns="http://schemas.microsoft.com/2004/06/E2ETraceEvent"&gt;&lt;System xmlns="http://schemas.microsoft.com/2004/06/windows/eventlog/system"&gt; &lt;EventID&gt;524340&lt;/EventID&gt; &lt;Type&gt;3&lt;/Type&gt;&lt;SubType Name="Error"&gt;0&lt;/SubType&gt;&lt;Level&gt;2&lt;/Level&gt; &lt;TimeCreated SystemTime="2013-11-26T01:35:30.8037467Z" /&gt; &lt;Source Name="System.ServiceModel" /&gt;&lt;Correlation ActivityID="{6a4de494-31a3-49ab-935f-419911742e44}" /&gt; &lt;Execution ProcessName="WebDev.WebServer40" ProcessID="13564" ThreadID="13" /&gt;&lt;Channel /&gt;&lt;Computer&gt;CONNOR-PC&lt;/Computer&gt;&lt;/System&gt; &lt;ApplicationData&gt;&lt;TraceData&gt;&lt;DataItem&gt;&lt;TraceRecord xmlns="http://schemas.microsoft.com/2004/10/E2ETraceEvent/TraceRecord" Severity="Error"&gt; &lt;TraceIdentifier&gt;http://msdn.microsoft.com/en-GB/library/System.ServiceModel.ServiceOperationExceptionOnReply.aspx&lt;/TraceIdentifier&gt; &lt;Description&gt;Replying to an operation threw a exception.&lt;/Description&gt;&lt;AppDomain&gt;caf40de1-1-130299029702291231&lt;/AppDomain&gt; &lt;Source&gt;System.ServiceModel.Dispatcher.ImmutableDispatchRuntime/11419366&lt;/Source&gt;&lt;Exception&gt; &lt;ExceptionType&gt;System.ObjectDisposedException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089&lt;/ExceptionType&gt; &lt;Message&gt;The ObjectContext instance has been disposed and can no longer be used for operations that require a connection.&lt;/Message&gt; &lt;StackTrace&gt; at System.Data.Objects.ObjectContext.EnsureConnection() at System.Data.Objects.ObjectQuery</code>1.GetResults(Nullable<code>1 forMergeOption) at System.Data.Objects.ObjectQuery</code>1.Execute(MergeOption mergeOption) at System.Data.Objects.DataClasses.EntityCollection<code>1.Load(List</code>1 collection, MergeOption mergeOption) at System.Data.Objects.DataClasses.EntityCollection<code>1.Load(MergeOption mergeOption) at System.Data.Objects.DataClasses.RelatedEnd.Load() at System.Data.Objects.DataClasses.RelatedEnd.DeferredLoad() at System.Data.Objects.DataClasses.EntityCollection</code>1.get_Count() at WriteArrayOfProjectToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , CollectionDataContract ) at System.Runtime.Serialization.CollectionDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.WriteDataContractValue(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithoutXsiType(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerialize(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle) at WriteUserToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , ClassDataContract ) at System.Runtime.Serialization.ClassDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.WriteDataContractValue(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithoutXsiType(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerialize(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle) at WriteArrayOfUserToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , CollectionDataContract ) at System.Runtime.Serialization.CollectionDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.WriteDataContractValue(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithoutXsiType(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.DataContractSerializer.InternalWriteObjectContent(XmlWriterDelegator writer, Object graph, DataContractResolver dataContractResolver) at System.Runtime.Serialization.DataContractSerializer.InternalWriteObject(XmlWriterDelegator writer, Object graph, DataContractResolver dataContractResolver) at System.Runtime.Serialization.XmlObjectSerializer.WriteObjectHandleExceptions(XmlWriterDelegator writer, Object graph, DataContractResolver dataContractResolver) at System.Runtime.Serialization.XmlObjectSerializer.WriteObject(XmlDictionaryWriter writer, Object graph) at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.SerializeParameterPart(XmlDictionaryWriter writer, PartInfo part, Object graph) at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.SerializeParameter(XmlDictionaryWriter writer, PartInfo part, Object graph) at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.SerializeBody(XmlDictionaryWriter writer, MessageVersion version, String action, MessageDescription messageDescription, Object returnValue, Object[] parameters, Boolean isRequest) at System.ServiceModel.Dispatcher.OperationFormatter.SerializeBodyContents(XmlDictionaryWriter writer, MessageVersion version, Object[] parameters, Object returnValue, Boolean isRequest) at System.ServiceModel.Dispatcher.OperationFormatter.OperationFormatterMessage.OperationFormatterBodyWriter.OnWriteBodyContents(XmlDictionaryWriter writer) at System.ServiceModel.Channels.BodyWriterMessage.OnWriteBodyContents(XmlDictionaryWriter writer) at System.ServiceModel.Channels.Message.OnWriteMessage(XmlDictionaryWriter writer) at System.ServiceModel.Channels.BufferedMessageWriter.WriteMessage(Message message, 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 message) at System.ServiceModel.Channels.HttpOutput.Send(TimeSpan timeout) at System.ServiceModel.Channels.HttpPipeline.EmptyHttpPipeline.SendReplyCore(Message message, TimeSpan timeout) at System.ServiceModel.Channels.HttpPipeline.EmptyHttpPipeline.SendReply(Message message, TimeSpan timeout) at System.ServiceModel.Channels.HttpRequestContext.OnReply(Message message, TimeSpan timeout) at System.ServiceModel.Activation.HostedHttpContext.OnReply(Message message, TimeSpan timeout) at System.ServiceModel.Channels.RequestContextBase.Reply(Message message, TimeSpan timeout) at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.Reply(MessageRpc&amp;amp; rpc)System.ObjectDisposedException: The ObjectContext instance has been disposed and can no longer be used for operations that require a connection. at System.Data.Objects.ObjectContext.EnsureConnection() at System.Data.Objects.ObjectQuery<code>1.GetResults(Nullable</code>1 forMergeOption) at System.Data.Objects.ObjectQuery<code>1.Execute(MergeOption mergeOption) at System.Data.Objects.DataClasses.EntityCollection</code>1.Load(List<code>1 collection, MergeOption mergeOption) at System.Data.Objects.DataClasses.EntityCollection</code>1.Load(MergeOption mergeOption) at System.Data.Objects.DataClasses.RelatedEnd.Load() at System.Data.Objects.DataClasses.RelatedEnd.DeferredLoad() at System.Data.Objects.DataClasses.EntityCollection<code>1.get_Count() at WriteArrayOfProjectToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , CollectionDataContract ) at System.Runtime.Serialization.CollectionDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.WriteDataContractValue(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithoutXsiType(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerialize(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle) at WriteUserToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , ClassDataContract ) at System.Runtime.Serialization.ClassDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.WriteDataContractValue(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithoutXsiType(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerialize(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle) at WriteArrayOfUserToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , CollectionDataContract ) at System.Runtime.Serialization.CollectionDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.WriteDataContractValue(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithoutXsiType(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle declaredTypeHandle) at System.Runtime.Serialization.DataContractSerializer.InternalWriteObjectContent(XmlWriterDelegator writer, Object graph, DataContractResolver dataContractResolver) at System.Runtime.Serialization.DataContractSerializer.InternalWriteObject(XmlWriterDelegator writer, Object graph, DataContractResolver dataContractResolver) at System.Runtime.Serialization.XmlObjectSerializer.WriteObjectHandleExceptions(XmlWriterDelegator writer, Object graph, DataContractResolver dataContractResolver) at System.Runtime.Serialization.XmlObjectSerializer.WriteObject(XmlDictionaryWriter writer, Object graph) at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.SerializeParameterPart(XmlDictionaryWriter writer, PartInfo part, Object graph) at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.SerializeParameter(XmlDictionaryWriter writer, PartInfo part, Object graph) at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.SerializeBody(XmlDictionaryWriter writer, MessageVersion version, String action, MessageDescription messageDescription, Object returnValue, Object[] parameters, Boolean isRequest) at System.ServiceModel.Dispatcher.OperationFormatter.SerializeBodyContents(XmlDictionaryWriter writer, MessageVersion version, Object[] parameters, Object returnValue, Boolean isRequest) at System.ServiceModel.Dispatcher.OperationFormatter.OperationFormatterMessage.OperationFormatterBodyWriter.OnWriteBodyContents(XmlDictionaryWriter writer) at System.ServiceModel.Channels.BodyWriterMessage.OnWriteBodyContents(XmlDictionaryWriter writer) at System.ServiceModel.Channels.Message.OnWriteMessage(XmlDictionaryWriter writer) at System.ServiceModel.Channels.BufferedMessageWriter.WriteMessage(Message message, 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 message) at System.ServiceModel.Channels.HttpOutput.Send(TimeSpan timeout) at System.ServiceModel.Channels.HttpPipeline.EmptyHttpPipeline.SendReplyCore(Message message, TimeSpan timeout) at System.ServiceModel.Channels.HttpPipeline.EmptyHttpPipeline.SendReply(Message message, TimeSpan timeout) at System.ServiceModel.Channels.HttpRequestContext.OnReply(Message message, TimeSpan timeout) at System.ServiceModel.Activation.HostedHttpContext.OnReply(Message message, TimeSpan timeout) at System.ServiceModel.Channels.RequestContextBase.Reply(Message message, TimeSpan timeout) at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.Reply(MessageRpc&amp;amp;amp; rpc)&lt;/ExceptionString&gt;&lt;/Exception&gt;&lt;/TraceRecord&gt;&lt;/DataItem&gt;&lt;/TraceData&gt;&lt;/ApplicationData&gt;&lt;/E2ETraceEvent&gt;</code></p> <p>Recieving the following CommunicationException error when returning an auto generated entity class from my web service to the client</p> <p>The User class is autogenerated when i import the database model, but it will not pass through the web service to the client when i call the following method.</p> <pre><code> using (UserService1Client db = new UserService1Client()) { User[] newarray = db.userSearch(this.Model.Forename, this.Model.Surname, this.Model.Certifications, this.Model.UserTypes); kTrace); } </code></pre> <p>Here's my stack trace..</p> <pre><code>A first chance exception of type 'System.ServiceModel.CommunicationException' occurred in mscorlib.dll There was a communication problem. The underlying connection was closed: The connection was closed unexpectedly. Server stack trace: at System.ServiceModel.Channels.HttpChannelUtilities.ProcessGetResponseWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason) at System.ServiceModel.Channels.HttpChannelFactory`1.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout) at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout) at System.ServiceModel.Dispatcher.RequestChannelBinder.Request(Message message, TimeSpan timeout) at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout) at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation) at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message) Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData&amp; msgData, Int32 type) at SimpleMvvmWpf1.Local_DatabaseServiceCS4.IUserService1.userSearch(String Forename, String Surname, String Certifications, String UserTypes) at SimpleMvvmWpf1.Local_DatabaseServiceCS4.UserService1Client.userSearch(String Forename, String Surname, String Certifications, String UserTypes) in i:\TRUNK\SimpleMvvmWpf1\SimpleMvvmWpf1\Service References\Local_DatabaseServiceCS4\Reference.cs:line 1613 at SimpleMvvmWpf1.SearchViewModel.SubmitSearch() in i:\TRUNK\SimpleMvvmWpf1\SimpleMvvmWpf1\ViewModels\SearchViewModel.cs:line 51 </code></pre> <p>And my methods..</p> <pre><code>[OperationContract] [WebGet(ResponseFormat = WebMessageFormat.Xml, UriTemplate = "GetUsers", BodyStyle = WebMessageBodyStyle.WrappedRequest)] List&lt;User&gt; GetUsers(); public List&lt;UserProfile&gt; GetUsers() { using (cs4_databaseEntities entities = new cs4_databaseEntities()) { try { var queryResult = from i in entities.Users select i; List&lt;User&gt; uList= queryResult.ToList(); return uList; } catch (Exception e) { Console.WriteLine(e.Message); return new List&lt;UserProfile&gt;(); } } } </code></pre> <p>The User Class has the [DataContractAttribute(IsReference=true)] and the variables have the [DataMemberAttribute()] however i'm still not getting anything through, i've also played about with the binding configuration setting <code>closeTimeout="00:40:00" openTimeout="00:40:00" receiveTimeout="00:40:00" sendTimeout="00:40:00" maxBufferSize="2147483647" maxReceivedMessageSize="2147483647" maxBufferPoolSize="2147483647"</code></p> <p>Any help would be great, this is rattLing my brain!!</p>
 

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