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  • IMetadataExchange endpoint purpose

    - by Paresh.Bijvani
    What is the purpose of IMetadataExchange endpoint. Some places i found that if i dont define this endpoint, adding service reference will not work OR creating proxy using svcutil wont work. But both of this working without having IMetadataExchange defined. If we have other endpoint with httpGetEnabled = true, we are able to create proxy from client. Also, some article says that we should delete IMetadataExchange before moving code to production and it should development period only so that other client cant see metadata. Doesnt this stop the behaviour of service having self describing itself? And if I have defined this IMetadataExchange endpoint, how can i see that on browser. Address whoch i have provided for this endpoint is not pulling any metadata in browser.

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  • RIA Services Localization, where to place Resource Files

    - by kmacmahon
    I have the following Solution: SomeProject.Ria (non Silverlight code) SomeProject.Ria.Silverlight (Silverlight light code, namespace is still SomeProject.Ria) SomeProject.Ria.MyServices (RIA Services Domain Service) SomeProject.Ria.MyServices.Proxies (RIA Services Silverlight Generated Code) SomeProject.Shell (Silverlight Applicaiton) SomeProject.Web (Web Application) I would like to use Resource Files for my Annotations on the meta data class in SomeProject.Ria.MyServices. The format for that appears to be: [Required(AllowEmptyStrings=false,ErrorMessageResourceName="ThisFieldIsRequired", ErrorMessageResourceType(MyResource))] Which project does MyResource belong in? (Assuming that someday I need to support other culture files). Also the use of the string in here really seems to breed room for error, is it possible to do something like this and still achieve localization, or does this just get compiled into the meta data? If not, how can I get round the resource name being a string? [Required(AllowEmptyStrings=false,ErrorMessage=MyResources.RequiredMessage)]

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  • How to make dynamically generated .net service client read configuration from another location than

    - by Bryan
    Hi, I've currently written code to use the ServiceContractGenerator to generate web service client code based on a wsdl, and then compile it into an assembly in memory using the code dom. I'm then using reflection to set up the binding, endpoint, service values/types, and then ultimately invoke the web service method based on xml configuration that can be altered at run time. This all currently works fine. However, the problem I'm currently running into, is that I'm hitting several exotic web services that require lots of custom binding/security settings. This is forcing me to add more and more configuration into my custom xml configurations, as well as the corresponding updates to my code to interpret and set those binding/security settings in code. Ultimately, this makes adding these 'exotic' services slower, and I can see myself eventually reimplementing the 'system.serviceModel' section of the web or app.config file, which is never a good thing. My question is, and this is where my lack of experience .net and C# shows, is there a way to define the configuration normally found in the web.config or app.config 'system.serviceModel' section somewhere else, and at run time supply this to configuration to the web service client? Is there a way to attach an app.config directly to an assembly as a resource or any other way to supply this configuration to the client? Basically, I'd like attach an app.config only containing a 'system.serviceModel' to the assembly containing a web service client so that it can use its configuration. This way I wouldn't need to handle every configuration under the sun, I could let .net do it for me. Fyi, it's not an option for me to put the configuration for every service in the app.config for the running application. Any help would be greatly appreciated. Thanks in advance! Bryan

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  • ChannelFactory don't have an address on the endpoint, why?

    - by Maxim
    When I create a new instance of a ChannelFactory: var factory = new ChannelFactory<IMyService>(); and that I create a new channel, I have an exception saying that the address of the Endpoint is null. My configuration inside my web.config is as mentioned and everything is as it is supposed to be (especially the address of the endpoint). If I create a new MyServiceClientBase, it loads all the configuration from my channel factory: var factoryWithClientBase = new MyServiceClientBase().ChannelFactory; Console.WriteLine(factoryWithClientBase.Endpoint.Address); //output the configuration inside the web.config var factoryWithChannelFactory = new ChannelFactory<IMyService>(); Console.WriteLine(factoryWithChannelFactory.Endpoint.Address); //output nothing (null) Why?

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  • How do I Pass Parameter in Ajax Url?

    - by Nimit Joshi
    I have developed a service which is running successfully. Following is my service code: namespace WcfService1 { [ServiceContract] public interface IService1 { [OperationContract] [WebInvoke(Method="GET", ResponseFormat = WebMessageFormat.Json, BodyStyle=WebMessageBodyStyle.Wrapped, UriTemplate="/display/{a}/{b}")] string Display(string a, string b); } } My Service: namespace WcfService1 { public class Service1 : IService1 { public string Display(string a, string b) { int ab = Convert.ToInt32(a); int bc = Convert.ToInt32(b); int cb = ab + bc; return cb.ToString(); } } } How do i call this with the help of ajax url? I have tried out the following code but it is not working. <script type="text/javascript"> $(document).ready(function () { $('#BtnRegister').click(function () { debugger; var No1 = document.getElementById('TxtFirstNumber').value; var No2 = document.getElementById('TxtSecondNumber').value; $.ajax({ cache: false, type: "GET", async: false, url: "http://localhost:22727/Service1.svc/Display", data: 'a=' +No1+'&b='+No2, contentType: "application/json; charset=ytf-8", dataType: "json", processData: true, success: function (result) { alert("data"); }, error: function (xhr, textStatus, errorThrown) { alert(textStatus + ':' + errorThrown); } }); }); }); </script>

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  • Error generating Interface with svcutil.exe

    - by capdragon
    Can someone help me generate the Interface (c#) file for the following OGC schema? Schema files: Download Schema Files Link I need to create web services for the Ordering wsdl in the schema zip file above. I've been at it for days now with no luck generating the interface. I've tried: svcutil.exe thewsdl.wsdl /language:c# /out:ITheInterface.cs svcutil Order.wsdl /out:IOrder.cs svcutil Order.wsdl Order.xsd ..\ws-addressing\ws-addr.xsd /out:IOrder.cs svcutil Order.wsdl Order.xsd ws-addr.xsd /out:IOrder.cs and i get the following error: Microsoft (R) Service Model Metadata Tool [Microsoft (R) Windows (R) Communication Foundation, Version 4.0.30319.1] Copyright (c) Microsoft Corporation. All rights reserved. Error: Cannot read ws-addr.xsd. Cannot load file D:\Documents\DEV\SARPilot\Docs\eoschema\schema\OrderSchema\ws-addr.xsd as an Assembly. Check the FusionLogs f or more Information. Could not load file or assembly 'file:///D:\Documents\DEV\SARPilot\Docs\eoschema\schema\OrderSchema\ws-addr.xsd' or one of its dependencies. The module was expected to contain an assembly manifest.

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  • IncludeExceptionDetailInFaults not behaving as thought

    - by pdiddy
    I have this simple test project just to test the IncludeExceptionDetailInFaults behavior. public class Service1 : IService1 { public string GetData(int value) { throw new InvalidCastException("test"); return string.Format("You entered: {0}", value); } } [ServiceContract] public interface IService1 { [OperationContract] string GetData(int value); } In the app.config of the service i have it set to true <serviceDebug includeExceptionDetailInFaults="True" /> On the client side: try { using (var proxy = new ServiceReference1.Service1Client()) Console.WriteLine(proxy.GetData(5)); } catch (Exception ex) { Console.WriteLine(ex.Message); } This is what I thought the behavior was: Setting to includeExceptionDetailInFaults=true would propagate the exception detail to the client. But I'm always getting the CommunicationObjectFaultException. I did try having the FaultContract(typeof(InvalidCastException)) on the contract but same behavior, only getting the CommunicationObjectFaultException. The only way to make it work was to throw new FaultException(new InvalidCastException("test")); But I thought with IncludeExceptionDetailInFaults=true the above was done automatically. Am I missing something?

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  • How to generate proxy for a child class when my web service return a parent class?

    - by Amir Borzoei
    Hi * I have a web method like this: public class ParentClass{ public String str1; } public class ChildClass : ParentClass{ public String str2; } public class WebService{ public ParentClass WebMethod(){ return GetFirstChildClass(); //Return a child class } } When I generate proxy for this web service by Visual Studio, VS just generate proxy for ParentClass but I need ChildClass too. For workaround I add a dummy method to WebService that return ChildClass to generate proxy for ChildClass in client. public class WebService{ ... //This is a dummy method to generate proxy for ChildClass in client. public ChildClass DummyWebMethod(){ return null; } } In addition I write web service in java (JAX-WS) and my client is a SilverLight Application. Is there a better solution for this problem? tanx for your help ;)

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  • Problem with MessageContract, Generic return types and clientside naming

    - by Soeteman
    I'm building a web service which uses MessageContracts, because I want to add custom fields to my SOAP header. In a previous topic, I learned that a composite response has to be wrapped. For this purpose, I devised a generic ResponseWrapper class. [MessageContract(WrapperNamespace = "http://mynamespace.com", WrapperName="WrapperOf{0}")] public class ResponseWrapper<T> { [MessageBodyMember(Namespace = "http://mynamespace.com")] public T Response { get; set; } } I made a ServiceResult base class, defined as follows: [MessageContract(WrapperNamespace = "http://mynamespace.com")] public class ServiceResult { [MessageBodyMember] public bool Status { get; set; } [MessageBodyMember] public string Message { get; set; } [MessageBodyMember] public string Description { get; set; } } To be able to include the request context in the response, I use a derived class of ServiceResult, which uses generics: [MessageContract(WrapperNamespace = "http://mynamespace.com", WrapperName = "ServiceResultOf{0}")] public class ServiceResult<TRequest> : ServiceResult { [MessageBodyMember] public TRequest Request { get; set; } } This is used in the following way [OperationContract()] ResponseWrapper<ServiceResult<HCCertificateRequest>> OrderHealthCertificate(RequestContext<HCCertificateRequest> context); I expected my client code to be generated as ServiceResultOfHCCertificateRequest OrderHealthCertificate(RequestContextOfHCCertificateRequest context); Instead, I get the following: ServiceResultOfHCCertificateRequestzSOTD_SSj OrderHealthCertificate(CompType1 c1, CompType2 c2, HCCertificateRequest context); CompType1 and CompType2 are properties of the RequestContext class. The problem is that a hash is added to the end of ServiceResultOfHCCertificateRequestzSOTD_SSj. How do I need define my generic return types in order for the client type to be generated as expected (without the hash)?

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  • Duplex Contract GetCallbackChannel always returns a null-instance

    - by Yaroslav
    Hi! Here is the server code: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ServiceModel; using System.Runtime.Serialization; using System.ServiceModel.Description; namespace Console_Chat { [ServiceContract(SessionMode = SessionMode.Required, CallbackContract = typeof(IMyCallbackContract))] public interface IMyService { [OperationContract(IsOneWay = true)] void NewMessageToServer(string msg); [OperationContract(IsOneWay = false)] bool ServerIsResponsible(); } [ServiceContract] public interface IMyCallbackContract { [OperationContract(IsOneWay = true)] void NewMessageToClient(string msg); [OperationContract(IsOneWay = true)] void ClientIsResponsible(); } [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession)] public class MyService : IMyService { public IMyCallbackContract callback = null; /* { get { return OperationContext.Current.GetCallbackChannel<IMyCallbackContract>(); } } */ public MyService() { callback = OperationContext.Current.GetCallbackChannel<IMyCallbackContract>(); } public void NewMessageToServer(string msg) { Console.WriteLine(msg); } public void NewMessageToClient( string msg) { callback.NewMessageToClient(msg); } public bool ServerIsResponsible() { return true; } } class Server { static void Main(string[] args) { String msg = "none"; ServiceMetadataBehavior behavior = new ServiceMetadataBehavior(); ServiceHost serviceHost = new ServiceHost( typeof(MyService), new Uri("http://localhost:8080/")); serviceHost.Description.Behaviors.Add(behavior); serviceHost.AddServiceEndpoint( typeof(IMetadataExchange), MetadataExchangeBindings.CreateMexHttpBinding(), "mex"); serviceHost.AddServiceEndpoint( typeof(IMyService), new WSDualHttpBinding(), "ServiceEndpoint" ); serviceHost.Open(); Console.WriteLine("Server is up and running"); MyService server = new MyService(); server.NewMessageToClient("Hey client!"); /* do { msg = Console.ReadLine(); // callback.NewMessageToClient(msg); } while (msg != "ex"); */ Console.ReadLine(); } } } Here is the client's: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ServiceModel; using System.Runtime.Serialization; using System.ServiceModel.Description; using Console_Chat_Client.MyHTTPServiceReference; namespace Console_Chat_Client { [ServiceContract(SessionMode = SessionMode.Required, CallbackContract = typeof(IMyCallbackContract))] public interface IMyService { [OperationContract(IsOneWay = true)] void NewMessageToServer(string msg); [OperationContract(IsOneWay = false)] bool ServerIsResponsible(); } [ServiceContract] public interface IMyCallbackContract { [OperationContract(IsOneWay = true)] void NewMessageToClient(string msg); [OperationContract(IsOneWay = true)] void ClientIsResponsible(); } public class MyCallback : Console_Chat_Client.MyHTTPServiceReference.IMyServiceCallback { static InstanceContext ctx = new InstanceContext(new MyCallback()); static MyServiceClient client = new MyServiceClient(ctx); public void NewMessageToClient(string msg) { Console.WriteLine(msg); } public void ClientIsResponsible() { } class Client { static void Main(string[] args) { String msg = "none"; client.NewMessageToServer(String.Format("Hello server!")); do { msg = Console.ReadLine(); if (msg != "ex") client.NewMessageToServer(msg); else client.NewMessageToServer(String.Format("Client terminated")); } while (msg != "ex"); } } } } callback = OperationContext.Current.GetCallbackChannel(); This line constanly throws a NullReferenceException, what's the problem? Thanks!

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  • Web Services vs Persistent Sockets

    - by dsquires
    I plan on doing a little benchmarking around this question, myself. But I thought it would be good to get some initial feedback from "the community". Has anyone out there done any analysis regarding the pros and cons of these two technologies? My thoughts: Opening and closing TCP/IP connections for web service calls is relatively expensive compared to persistent connections. Dealing with intermittent connection errors and state, etc... would be easier with a web service based framework. You don't see World of Warcraft using web services. One question that I can't seem to find much of answer for anywhere (even on here)... are the limits on the # of persistent connections a single network card can support, etc?

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  • WebFaultException http status code is not passed

    - by Mike Bantegui
    I have the following service method: <OperationContract()> <WebGet([ResponseFormat]:=WebMessageFormat.Json)> Function ShouldThrowException() As Boolean It's implementation does only one thing, which is to throw a WebFaultException. Public Function ShouldThrowException() As Boolean Implements IRestService.ShouldThrowException Throw New WebFaultException(Of String)("This should fail", HttpStatusCode.BadRequest) End Function My web.config reads as: <endpointBehaviors> <behavior name="WebEndpointBehavior"> <webHttp /> </behavior> </endpointBehaviors> .. snip .. <webHttpBinding> <binding name="WebBinding" crossDomainScriptAccessEnabled="true"> <security mode="None" /> </binding> </webHttpBinding> .. snip .. <service name="RestService"> <endpoint address="" binding="webHttpBinding" behaviorConfiguration="WebEndpointBehavior" bindingConfiguration="WebBinding" contract="IRestService" name="RestService"> </endpoint> </service> When I call ShouldThrowException via my browser, I only get the following: "This should fail" I was expecting to get a 400 Bad Request error on the page. If I inspect the page using FireBug, I see that the HTTP status code that was returned is a 200 OK. According to this blog post, I should be seeing this exception. Except I'm not. What am I doing wrong here?

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  • Reading SAML Attributes from SAML Token

    - by Shani
    I am loading SAML Token from XML file. string certificatePath = @"D:\Projects\SAMLDemo\Server.pfx"; X509Certificate2 cert = new X509Certificate2(certificatePath, "shani"); string samlFilePath = @"D:\Projects\SAMLDemo\saml.xml"; XmlReader reader = XmlReader.Create(samlFilePath); List<SecurityToken> tokens = new List<SecurityToken>(); tokens.Add(new X509SecurityToken(cert)); SecurityTokenResolver outOfBandTokenResolver = SecurityTokenResolver.CreateDefaultSecurityTokenResolver(new ReadOnlyCollection<SecurityToken>(tokens), true); SecurityToken securityToken = WSSecurityTokenSerializer.DefaultInstance.ReadToken(reader, outOfBandTokenResolver); SamlSecurityToken deserializedSaml = securityToken as SamlSecurityToken; How can I read the SAML attributes from deserializedSaml ? I need string values for the attributes.

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  • Secure Password Storage and Transfer

    - by Andras Zoltan
    I'm developing a new user store for my organisation and am now tackling password storage. The concepts of salting, HMAC etc are all fine with me - and want to store the users' passwords either salted and hashed, HMAC hashed, or HMAC salted and hashed - not sure what the best way will be - but in theory it won't matter as it will be able to change over time if required. I want to have an XML & JSON service that can act as a Security Token Service for client-side apps. I've already developed one for another system, which requires that the client double-encrypts a clear-text password using SHA1 first and then HMACSHA1 using a 128 unique key (or nonce) supplied by the server for that session only. I'd like to repeat this technique for the new system - upgrading the algo to SHA256 (chosen since implementations are readily available for all aforementioned platforms - and it's much stronger than SHA1) - but there is a problem. If I'm storing the password as a salted hash in the user-store, the client will need to be sent that salt in order to construct the correct hash before being HMACd with the unique session key. This would completely go against the point of using a salt in the first place. Equally, if I don't use salt for password storage, but instead use HMAC, it's still the same problem. At the moment, the only solution I can see is to use naked SHA256 hashing for the password in the user store, so that I can then use this as a starting point on both the server and the client for a more secure salted/hmacd password transfer for the web service. This still leaves the user store vulnerable to a dictionary attack were it ever to be accessed; and however unlikely that might be - assuming it will never happen simply doesn't sit well with me. Greatly appreciate any input.

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  • VS2010 - RiaServices - A project with that name is already opened in the solution

    - by andrecarlucci
    Hello, The problem started after installing RiaServices Toolkit Dec 2010. If I unload the project and reload it again, I get this message, even on an empty Silverlight project (no changes made to the project file). "error : A project with that name is already opened in the solution." The solution has only 2 projects: the host (web) and the silverlight one. Any help is appreciated :) UPDATE: It only happens if I give the Silverlight project the same name as the solution.

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  • .net generate proxy classes problem (wsdl/svchost) by soapHeader

    - by Oguzhan
    I'm using a web service from .Net C# client application. My web service has a method which return generic list and in my client application I use Configuration Service Reference to change array to generic list.Its working correctly. But when I add a soapHeader to my web service Configuration Service Reference to change array to generic list its not working and return Array instead of generic list. public class Service1 : System.Web.Services.WebService { public Authentication authentication = new Authentication(); [SoapHeader("authentication")] [WebMethod] public List<string> HelloWorld() { List<string> result = new List<string>(); result.Add("oguzhan"); return result; } } public class Authentication : SoapHeader { public string username; public string password; }

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  • DataGrid giving error and getting invisible whenever some elements visibility is changed

    - by Tarun
    I have a datagrid in which i have textblocks as one column.Then in the next column i have progress bar over which there is a textblock.On loading row of datagrid,i add these three into lists of textblock and progressbar.I start the first progress bar and after 15-20 minutes next progress bar is started.The next progress bar is getting started fine and after 20 minutes it is getting invisible.The problem is that if i try to make textblock invisible,then the whole Datagrid gets invisible and stops working.After all the tasks in the Datagrid are complete i need to make DataGrid invisible and also when i try to do so,the grid becomes invisible and no other event gets fired.... e.g List txtlist=new List(); i=1; txtlist[i].Visibility=Visibility.Collapsed;

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  • PostSharp when using DataContractSerializer?

    - by Dan Bryant
    I have an Aspect that implements INotifyPropertyChanged on a class. The aspect includes the following: [OnLocationSetValueAdvice, MethodPointcut("SelectProperties")] public void OnPropertySet(LocationInterceptionArgs args) { var currentValue = args.GetCurrentValue(); bool alreadyEqual = (currentValue == args.Value); // Call the setter args.ProceedSetValue(); // Invoke method OnPropertyChanged (ours, the base one, or the overridden one). if (!alreadyEqual) OnPropertyChangedMethod.Invoke(args.Location.Name); } This works fine when I instantiate the class normally, but I run into problems when I deserialize the class using a DataContractSerializer. This bypasses the constructor, which I'm guessing interferes with the way that PostSharp sets itself up. This ends up causing a NullReferenceException in an intercepted property setter, but before it has called the custom OnPropertySet, so I'm guessing it interferes with setting up the LocationInterceptionArgs. Has anyone else encountered this problem? Is there a way I can work around it? I did some more research and discovered I can fix the issue by doing this: [OnDeserializing] private void OnDeserializing(StreamingContext context) { AspectUtilities.InitializeCurrentAspects(); } I thought, okay, that's not too bad, so I tried to do this in my Aspect: private IEnumerable<MethodInfo> SelectDeserializing(Type type) { return type.GetMethods(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public).Where( t => t.IsDefined(typeof (OnDeserializingAttribute), false)); } [OnMethodEntryAdvice, MethodPointcut("SelectDeserializing")] public void OnMethodEntry(MethodExecutionArgs args) { AspectUtilities.InitializeCurrentAspects(); } Unfortunately, even though it intercepts the method properly, it doesn't work. I'm thinking the call to InitializeCurrentAspects isn't getting transformed properly, since it's now inside the Aspect rather than directly inside the aspect-enhanced class. Is there a way I can cleanly automate this so that I don't have to worry about calling this on every class that I want to have the Aspect?

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  • slsvcutil.exe Proxy and Interfaces

    - by JPM
    Is it possible when using slsvcutil.exe to generate a proxy through the command line not to have the proxy file output the Interface in an Asynchronous fashion. For example, if I have a function "foo()" on the serverside in the Interface, when I generate the proxy using Slsvcutil.exe, it makes two functions in the interface definition in the proxy named "BeginFoo()" and "EndFoo()". All I want is "Foo()", I don't need the other two methods. Is this possible? I'm using the proxy with Monotouch which is why I need to use Slsvcutil.exe but don't need the Asynchronous methods. Thanks!

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  • How to call a wpf singleton service within a wpf singleton service without hanging?

    - by Michael Hedgpeth
    I have two services, one that calls another. Both are marked as singletons as follows: [ServiceBehavior(InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Multiple)] public class Service : IService And I set these up with a ServiceHost as follows: ServiceHost serviceHost = new ServiceHost(singletonElement); serviceHost.Open(); When the parent service tries to call the child service on the same machine, the parent service hangs, waiting for the child service. I'm already considering moving away from the singleton model, but is there anything wrong with my approach? Is there an explanation for this behavior and a way out of it?

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