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Wcf Duplex Cannot Access A Disposed Object


It is possible that the user connections could change during the application run. Which approach will give better performance ? .net wcf share|improve this question asked Sep 23 '13 at 18:24 Mako 3821830 Maybe you just removed it to simplify, but you But im not disposing it2Cannot access a disposed object - wcf client1“Cannot access a disposed object” when checking for IsDisposed and Disposing2Unexpected “Cannot access a disposed object” in clean up method1Cannot object name: 'system.servicemodel.channels.servicechannel'. More about the author

Please remember to click "Mark as Answer" on this post if it helped you http://illerisblog.wordpress.com/ Reply Amy Peng - M... However, when I run the application it posts this exception. Server stack trace: at System.ServiceModel.Channels.CommunicationObject.Close(TimeSpan timeout) Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at System.ServiceModel.ICommunicationObject.Close(TimeSpan timeout) at System.ServiceModel.ClientBase`1.System.ServiceModel.ICommunicationObject.Close(TimeSpan timeout) at System.ServiceModel.ClientBase`1.Close() at System.ServiceModel.ClientBase`1.System.IDisposable.Dispose() There In this case, if the channel has already aborted, closed, or is otherwise unusable (for example, when a network cable is unplugged), the client channel cannot inform the service channel that

Cannot Access A Disposed Object + Wcf

However I am finding that WCF is insisting that the information is held in a.exe.config. In my app the callback shouldn't of even be happening buts thats a seperate issue all together and not related. Sample code: using (StreamReader reader = new StreamReader(stream, true)) { builder.Append(reader.ReadToEnd()); } At the "}" I can quickwatch the stream and it looks fine. Stack Overflow has an interesting thread about how to work around the using block issue and perform the close/abort pattern.

I have following WCF Service configuration..

 <basicHttpBinding> <binding name="TestBinding"> <security> <transport proxyCredentialTypetry { ... Cannot Access A Disposed Object Sql Server Can you debug your service? 

client.Abort(); throw; } It is important to understand that if the client is in a State of Faulted, then the only action that should be taken by client code is Possible repercussions from assault between coworkers outside the office Is it possible to sheathe a katana as a free action? So in essence this is foreach(string portname in portstouselist)     if open port success         if writeline(Instrument?) success             if Readline success                  add instrument found and associated port to list        With thoughtful and stylish gifts, BoxBetty is focused on helping you mark life's big and little special (and perhaps sometimes not so special) times in your friend's and family's lives.

My Email: OmarALZabir at gmail dot com Follow Me: twitter.com/omaralzabir My Projects: Droptiles: Open Source Web 2.0 AJAX Portal SQL Server real-time monitor Oracle real-time monitor Codeuml - UML diagrams as Xamarin Cannot Access A Disposed Object The using statement is an excellent and common pattern for automatically disposing IDisposable objects at the end of the code block. This article is a narrow focus on the design decisions that cause the common issues I see too often on so many client sites. If any of these throw an exception, it is re-thrown to the caller of Abort.

Cannot Access A Disposed Object. Object Name

I set the includeExceptionDetailInFaults to true: However, I still get the this error in my client app..... MyServiceClient proxy = new MyServiceClient(); proxy.Open(); proxy.Func1(); proxy.Close(); // Some other code proxy = new MyServiceClient(); // Recreate the client here proxy.Open(); proxy.Func2(); proxy.Close(); share|improve this answer answered Sep 23 '13 Cannot Access A Disposed Object + Wcf What episode of Star Trek is this creature on? Cannot Access A Disposed Object Object Name Sslstream stixoffire17-Nov-15 11:16 stixoffire17-Nov-15 11:16 I think they tried to make it hard (by breaking pre-established patterns and rules)..

Should I report it? my review here The Problems The "Using" Statement and Understanding States One of the problems that Microsoft caused was by not following their own guideline of not throwing exceptions in the Dispose method. void RunCallBackMethod(Object requestDetails) { //Use callbackdetails to make BL calls MyCallbackDetails callDetails = (MyCallbackDetails)requestDetails; // Make BL call - all code under here is syncrhonous ResponseType response = BusinessLayer.BusinessMethod(callDetails.Request); //NB: If The Abort() method does nothing if the current state is Closed or if the object has been terminated before (for example, possibly by having Abort() executing on another thread). Cannot Access A Disposed Object Object Name Taskformdialoghost System Windows Forms

If you were to check the State property in order to determine whether to Abort or Close, depending on your approach there could be a race condition. Stepping past the "}", quickwatch on stream shows "threw an exception of type 'System.ObjectDisposedException'" for the capacity, length and position properties of stream. Single word for the act of being susceptible? http://bovbjerg.net/cannot-access/vb-cannot-access-a-disposed-object.php ClickHERE to participate the survey.

When I open an svc file (in IIS manager, right click the svc file and select browse) for a WCF project in IIS, there is an error like this, any ideas Cannot Access A Disposed Object C# It raises exception during the dispose and thus the resources held by the WCF client aren't released properly. share|improve this answer answered May 15 '09 at 1:00 mundeep 2,5871423 add a comment| up vote 0 down vote Did you try to use OperationContext.Current directly instead of the instance variable

Typically, client object channels are closed in one of the following ways: When the WCF client object is recycled.

SAPrefs - Netscape-like Preferences Dialog AngleSharp Generate and add keyword variations using AdWords API WTL for MFC Programmers, Part IX - GDI Classes, Common Dialogs, and Utility Classes Window Tabs (WndTabs) Why is the 'You talking to me' speech from the movie 'Taxi Driver' so famous? Someone peeled an American flag sticker off of my truck. Tfs Cannot Access A Disposed Object Workspace Context Otherwise it sets the state to Closing and calls OnClosing() (which raises the Closing event), OnAbort(), and OnClosed() in that order (does not call OnClose because the object is being terminated,

If you choose to participate, the online survey will be presented to you when you leave the Msdn Web site.Would you like to participate? cannot access a disposed object. [Answered]RSS 3 replies Last post Oct 13, 2013 10:21 PM by Amy Peng - MSFT ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts However, neither of these is guaranteed, so if you want to try to continue using the client after an exception your application should check the State property to verify the client navigate to this website This is true whenever you close a disposable object and try and do something with it afterwards.

The main point is that if you have IsTerminating = True on an operation then make sure you are not using a callback. MyServiceClient proxy = new MyServiceClient(); proxy.Func1(); // Some other code proxy.Func2(); proxy.Close(); I also want to know which is the better way of calling the functions. Before going into normal mode I close the ports. BoxBetty has saved you time and created pretty little gift boxes that are perfectly themed for each milestone occasion in your loved one's lives.

Things I have tried so far: The obvious one...putting all my config info in a.exe.config. But when i deploy it on client machine its responding slow. I like: Performance and Scalability Challenges. These com ports could be Bluetooth enumerated or, using FTDI USB to serial line convertor drivers, a USB connection.

Note: EnsureOpened looks like it could be used to check the state, but it only works before its opened. Avoiding Problems with the Using Statement describes how even though the WCF client is disposable, developers should NOT use the using statement with them. this is nice - thanks. Do we know Ford's old name?

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