w3hello.com logo
Home PHP C# C++ Android Java Javascript Python IOS SQL HTML videos Categories
  Home » WCF » Page 1
Azure Active Directory and WCF authentication
Do I understand you correctly that you want your WCF service to use tokens issued by Azure Active Directory as the identity: Thread.CurrentPrincipal? The WsFederation binding speaks wstrust and AAD doesn't. It looks like you are using a smart client, as opposed to a browser? Is that correct? AAD serves up identity tokens using: wsfederation and openidconnect both passive protocols. AAD does serv

Categories : Wcf

browser keeps downloading .svc files WCF
If your WCF Service is in .Net Framework 4.0/4.5, then check the .Net Framework version in Application Pool. If it is 2.xxxxxx, change it to 4.xxxxx.

Categories : Wcf

WCF 4.0 Service crashes
This are pure assumptions, but as far I guess by looking at your traces and what you wrote: You are using a net.pipe WCF host The endpoint address of your host is net.pipe://tstwebashitv... something, so you are not using a the net.pipe://localhost/... format (assuming tstwebashitv is not a server name, and your net.pipe is not remote) The service used to work for a long time So I assume there

Categories : Wcf

Hosting a WCF service endpoint for Azure Service Bus Relay inside an Azure WebSite
The answer to this is pretty simple - don't use localhost or IPV6 [::1] - get the IP address from the machine its running on with the following code: var ip = Dns.GetHostEntry(Dns.GetHostName()).AddressList.Where(o => o.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork).First().ToString();

Categories : Wcf

System.Exception must be XML serializable to be a message part type
The better option here would be for your WCF Service to throw a SOAP Fault in this case. This can be a general SOAP Fault or a typed fault instead. See here for more information regarding SOAP Faults: http://www.w3schools.com/webservices/ws_soap_fault.asp Then, when dealing with SOAP faults in your orchestration, there is a best practice to do this by setting propagate fault message like this:

Categories : Wcf

WCF returning nil value and actual value in Data Contract
It seems that the problem was caused by the WSDL and Data Contracts not matching the web services themselves. Running svcutil.exe against the web services that were running and not the WSDL files provided fixed the problem.

Categories : Wcf

Lync 2013 UCMA WCF Web Service
You can also do a one-time presence query. From MSDN: If a one-time presence query to a remote presentity is desired, creating a view and tearing it down is a suboptimal solution for an application. In addition, the application needs to wait and track whether all presence information has been received. An alternative is to use the BeginPresenceQuery(IEnumerable<String>, [], EventHan

Categories : Wcf

Must I add a WCF service class library in order to host a WCF Service in a Windows service?
OK, here is what I found. Creating a new solution with one Windows service project with a Wcf service class and one Asp.Net folder. Running the Windows service. Trying to add a Service reference to the Asp.Net project. Result: Service can't be found. Adding a new project which contains a Wcf project to the solution. Adding a reference to it from the Windows Service. Trying to add a Service

Categories : Wcf

Silverlight and WCF error
The clientaccesspolicy.xml and/or crossdomain.xml files are not required inside your client application, and they do not belong in your web service directory. Rather, they must be copied into the root of your web server. Mostly, that would be the directory C:inetpubwwwroot instead of C:inetpubwwwrootPDFService.

Categories : Wcf

Disable CustomUserNamePasswordValidator for specific operation
I have done something like this before, depending on how you have integrated your custom validator in the wcf pipleline, you could simply before you do the actual validation, which I guess returns something like true or false, you could check the incoming url or address and see if it is going to be going to your IsAlive operation, if that is the case, you could simply do a early return true. Wcf

Categories : Wcf

Simple.Odata.Client Retrieve Data From WCF Dataservice
Since you are getting InternalServerError it's most probably something with the service implementation or setup. I suggest you first isolate the error by running a query in the browser. Try something like SERVER_URL/Details (I assume you have an entity set called Details) and check the response from the server. If this doesn't work then your problem is the server. If it works, check your Simple.Da

Categories : Wcf

ASMX WebService with string return value (or parameter) forcing message contract generation in WCF Client
I found a solution for this. Looks like it is a result of using the DataContractSerializer which is selected by default. There's no fix for this in the GUI provided in Visual Studio. To configure this manually, open the Reference.svcmap file on the client side of the service and change <Serializer>Auto</Serializer> to <Serializer>XmlSerializer</Serializer>. This caused the

Categories : Wcf

How to enable HTTPS in WCF service
Your binding has this: <security mode="None"> Which means your service is not expecting to use security of any kind. HTTPS is transport authentication, so you need to set: <security mode="Transport"> The following link includes useful information about setting up transport security in WCF: http://msdn.microsoft.com/en-us/library/ms733043(v=vs.110).aspx

Categories : Wcf

WCF MaxPendingAccepts: Default value 0
I took a look at the source code for System.ServiceModel.Channels.HttpTransportBindingElement. The default constructor for the class has the following line of code: this.maxPendingAccepts = HttpTransportDefaults.DefaultMaxPendingAccepts; Taking a look at HttpTransportsDefault shows the following code: // We use 0 as the default value of the MaxPendingAccepts property on HttpTransportBindingEl

Categories : Wcf

How to pass a certificate to WSTrust to get Saml Token
Use the ClientCertificate property: var stsBinding = new WS2007HttpBinding(); stsBinding.Security.Mode = SecurityMode.TransportWithMessageCredential; stsBinding.Security.Message.EstablishSecurityContext = false; stsBinding.Security.Message.NegotiateServiceCredential = false; // select the authentication mode of Client Certificate stsBinding.Security.Message.ClientCredentialType = MessageCredenti

Categories : Wcf

WCF service with Ssl Certificate in Azure emulator
So there are two approaches you could take: Create a separate cloud project for each environment - This way you could create a self-signed certificate for your development environment and live with the warning that the certificate is not trusted. Get a wildcard certificate for your application - This is the approach we have taken for our application (along with the 1st one). Basically we took a

Categories : Wcf

WCF Exposing TCP Endpoints
Hosting TCP endpoints in a Windows Service or by using WAS which is part of IIS 7 is an example of managed hosting. It really depends on whether you need managed hosting or prefer more control and want to "self host" your WCF service in a console app for example. Here's a decent MSDN doc with some good info about hosting: http://msdn.microsoft.com/en-us/library/ms730158.aspx

Categories : Wcf

QueuedDeliveryRequirements | Actual Meaning
Very simply, when you define a service interface, eg: [ServiceContract] public interface ISomethingService { [OperationContract] void Something(); } there are no restrictions inherent in what kind of transport binding the interface will be exposed on, and this is a good thing, as it decouples the interface developer from having to think about how the service will actually be deployed an

Categories : Wcf

Why Creating new session id every time in wsHttpBinding
By default a session is initiated when channel is opened you can read more about it here in this Sessions in WCF AS the default value of IsInitiating parameter is true each of your calls started a new session. Read more About it here IsInitiating and IsInitiating So in your Operation contracts [OperationContract( IsInitiating=false, IsTerminating=false )] public void MethodOne() {

Categories : Wcf

How to check WCF data element skipped in XML?
You are not correct in your assertion that using nillable in your definition permits the two cases you have listed. In fact, the nillable xsd attribute permits the construction: <Postcode xsi:nil='true'/> which is semantically different from Postcode being either empty, or just not present at all. In answer to your question, how do I check if the element "Postcode" exists in the

Categories : Wcf

passing comma separated string value to a wcf rest service
This is the change I made in the config behaviors to sort it, <behaviors> <serviceBehaviors> <behavior name="httpsBehavior"> <serviceMetadata httpGetEnabled="false" httpsGetEnabled="true"/> <dataContractSerializer maxItemsInObjectGraph="2147483647"/> </behavior> </serviceBehaviors> <endpointBehaviors> <behavior name

Categories : Wcf

How to avoid unnecessary objects getting initialized WCF
Maybe I'm misunderstanding something, but why not create the handlers in the method they're needed by? Then your implementation would look something like this: public class MyService { public void HandleMessage(string msg) { IHandler1 _handler = GetHandler1(); _handler.SomeMethod(); } public void HandleMessage2(string msg) { IHandler2 _handler =

Categories : Wcf

Simplest way to secure Azure Web Role WCF service
If you really want to restrict access then I would look at client certificates. Configuring azure for client certificates seems quite complex to detail in a single SO post so I'll refer you to this blog post client-certificates-in-windows-azure and I'll summarize below [I used this myself recently so I know it works] In essence you can make your own certificates using makecert [NOTE: you may want

Categories : Wcf

Where can I change the port of a Web Site Project (WCF) in Visual Studio 2013?
it is as suspected. The ports have to be changed in the SLN file and the URL in the web.config SLN File of the solution: VWDPort = "xxx" Web.config of the website: endpoint address="http://....."

Categories : Wcf

Get/Set the account under which WCF service is hosted
The current user can be found using: System.Security.Principal.WindowsIdentity.GetCurrent().Name; There is an interesting impersonation library on github and available via NuGet that should do the trick: SimpleImpersonation

Categories : Wcf

Unable to log WCF Message body
Creating another send port that uses the FILE adapter is quite easy. Set the filter to catch the same messages that would go to Oracle Add the same maps This will then write a file to some location for each request, and contain the same message body content as would be sent to the Oracle adapter.

Categories : Wcf

Issue with Load Balancing WCF Services on Server 2012 R2
We found the issue. There was a difference between our old server and current server environment. We are using AWS to load balance the servers and there is a setting "Cross Zone Load Balancing" that was enabled with the new server Environment, and was disabled with the old server environment. The setting ensures even load across our load balanced servers This was quite a surprise as i was under

Categories : Wcf

WCF Rest ERR_CONNECTION_RESET not large response
The problem was my UsageItem class, I was missing the necessary DataContract and DataMember fields. [DataContract] public class UsageItem { [DataMember] int ItemNumber; public UsageItem(int ItemNumber) { this.ItemNumber = ItemNumber; } }

Categories : Wcf

Encryption of WCF traffic without X.509 or Windows authentication
well ... it's just that "common" property ... x.509 is the common way to do this in your scenario, since the most things needed for this are already there ... but you are not limited to either windows auth or x.509 ... take a look here: http://www.codeproject.com/Articles/165844/WCF-Client-Server-Application-with-Custom-Authenti the article describes how you can introduce your own authenticati

Categories : Wcf

OperationContext.Current.OutgoingMessageProperties in BizTalk
You might want to take a look at WCF message inspectors. You can implement one in a separate project and configure it as a behavior in your send port where you would then have full control over both the request and the reply message.

Categories : Wcf

Unable to access a Mac self hosted WCF service from Silverlight
I was able to resolve this issue by setting up a service host and a separate web service host for serving the access policy. I still leveraged the code from the example referenced in the original post, but just separated the serving of the access policy into its own web service host instead of being an additional endpoint on the main service host. Uri httpUrl = new Uri("http://192.168.2.230:8

Categories : Wcf

Should I use WCF instead of DLL in c#
Just to get started you could create one Solution that includes: Business logic project Web App project Desktop project Web App project and Desktop project will just reference your Business logic project. Then(if needed) you could continue to separate Business logic project to e.g. Data Access project, Service Layer project etc. Then if you will feel that you need "real" WCF service it would

Categories : Wcf

Caching large objects - LocalCache performance
LocalCache is local to the process, i.e. within the application's process memory. If LocalCache is enabled, object fetched from cache will also be stored in LocalCache. Every next request for that object will be served from that LocalCache (No need to fetch from out of process cache). However retrieving object for the first time will take time. According to MSDN: When local cache is enabled,

Categories : Wcf

Losing WCF FaultException details when using binary
After spending quite some hours on trying to figure out what could go wrong, I've finally made it work. Two reasons for failure, none of them obvious. The fault message class has overridden ToString method that did some computation. Sure it was unwise to put such logic in ToString, but who could guess this would affect just binary serialization? FaultException constructor has an optional paramet

Categories : Wcf

Sharing port 80 for NetTcpBinding and BasicHttpBinding in IIS 8 hosted WCF service possible?
You can share ports between multiple basicHttp bindings, or between multiple netTcp bindings, but unfortunately you can't mix and have both netTcp and basicHttp share a port. WCF will give you an AddressAlreadyInUseException for that.

Categories : Wcf

Multiple DataCacheClients - Strange configuration behaviour
Try using the following snippet: // DataCacheFactoryConfiguration encapsulates the datacache client section of the config. DataCacheFactoryConfiguration dcfc1 = new DataCacheFactoryConfiguration("DataCache1"); DataCacheFactory dcf1 = new DataCacheFactory(dcfc1); DataCache dc1 = dcf1.GetDefaultCache(); Alternatively you can configure it programmatically:

Categories : Wcf

When to use CreateChannelWithActAsToken/WithIssuedToken/WithOnBehalfOfToken?
CreateChannelWithIssuedToken uses the current process token. CreateChannelWithOnBehalfOfToken uses an external entity (not the current process). A service would use this to make a call "on behalf" of whomever called the service. CreateChannelWithActAsToken uses both the current process and the external entity. From Window Identity Foundation FAQ From the WS-Trust procotol standpoint:

Categories : Wcf

Setting up a streaming WCF service in sharepoint
I answer your question indirectly as an aside to a slightly different question: Catch-22 prevents streamed TCP WCF service securable by WIF; ruining my Christmas, mental health My answer does not deal with sharepoint specifically, but it is applicable in your case. Essentially the gist is that the whole challenge/response 401 exchange is not compatible with streaming because the stream may be se

Categories : Wcf

Preemptive authentication with CustomBinding?
I don't think you can configure WCF to pre authenticate. Your options are to add the headers manually to each request or to build a message inspector to do it and configure it once. Either way those settings are not related to the binding. I guess you could write your own custom http transport (that internally uses the regular http transport) and add it there but not sure it worth the effort. As d

Categories : Wcf




© Copyright 2018 w3hello.com Publishing Limited. All rights reserved.