I'm using remoting with TCP channel in a chat server scenario, ie. multiple clients send messages to the server and the server sends messages via remote delegate callbacks to all clients. Remote delegate callbacks are invoked via BeginInvoke (ie. on a managed ThreadPool thread). The problem ...more >>

An unhandled exception of type 'System.NullReferenceException' occurred in mscorlib.dll I get this error after acquiring an object: objDSRemote1 = CType(Activator.GetObject(Type.GetType "DataLayer.clsSettings, DataLayer"), "//TestPC/clsSettings"), DataLayer.clsSettings) Then I access a ...more >>

I'm trying to return a DataTable with 146k rows * 41 columns. Returning smaller sets works but the larger ones throw this exception. I saw there was a bug in 1.0 sp 1 &2 but I thought it was fixed by now. Are there any suggestions on what could be the cause? The remoting object is being hosted...more >>

Hallo everybody, I wrote a dll to manage the operations with the database; this dll includes only one class inherited from MarshalByRefObject and almost all its functions take and/or return DataSets(i.e. serializable objects). This dll should be accessed remotely from the ASp.Net componen...more >>

Ok, I am at my wits end and I need some help. I have a Windows Service that is written in c#. This service configures the .NET remoting service. We have this service installed on 300+ computers and on FOUR of them, the remoting configuration fails. When checking the event log, we see the follo...more >>

Hi, I am making a web app that will have a middle layer on a separate app server on the lan and will use remoting to communicate. My question is how should the client process on the web server reference the middle tier remote object? Most of what I've read says to create an interface and distr...more >>

Hi, I need to copy a xls file from IIS to a client directory and then open the respective file...It is possible? How? Regards, Ricardo...more >>

All, I am building a SAO single patthern remote object and would like to know if it should be thread safe? My understanding of single patteren is each client will get it own instance of the remote object so does the remote object need to be thread safe? Thanks Msuk...more >>

All, I am writing a remoting component using the singleton patteren and would like to know how I can handle the lease time for the object so if no calls are comming in the object shut down after a certain amount of time. Also If a client suddenly drops it connection to the remote object ho...more >>

Hi I'm stuck with the following problem: I have created a windows service which contains an object called FolderWatcherApplication. For simplicity, assume that this exports one boolean property called "Running". I expose the folderwatcherapplication to remoting using a configuration file...more >>

Is Indigo set to replace .Net remoting. I recently read breifly on Indigo. Does anyone no of any indepth docs out there regarding Indigo? Thank, Ron ...more >>

my client uses credentials when logging into my IIS hosted Remoting service. How do I retrieve the userid that he logged in as. Many Thanks ...more >>

I'm a senior in college taking a software development class. We're making a game, and I'm in charge of the networking. I'm using RemotingServices to get a reference to a remote object from the other side. Both sides get a reference from each other. I created a thread to call a blank fu...more >>

I found a reference to secure tcp channel support in Framework 2.0. I can't seem to find any documentation showing how to configure this behaviour. I've seen two "what's new" presentations, but they had vague and conflicting information. Can anyone point me at some documentation for this?...more >>

hi all i am getting these errors when i try to access the Remoting server through IE (different machine) http://10.20.1.144/RemotingServerIIS/RemotingIISBLClass.rem?WSDL Error is: -------------------------------------------------------------------------- The page cannot be displayed...more >>

Hi, I knew that Singleton object will have single instance serve all clients. If two clients used to call a remote function simultaneously, will the two requests be processed concurrently or they will be processed one by one? Thx ...more >>

Hello all, I have a process running on my machine that hosts a singleton object and is listening on http port 8001. I also have client code that uses Activator.GetObject to retrieve a proxy to the object using a URL like: http://127.0.0.1:8001/MyObject.rem My Windows 2003 server has a sing...more >>

An odd inconsistency in Remoting. Has anyone encountered this? I set up a well-known server activated object (client and server) using config files and these work fine. Then, in the client, when creating the object (using Activator.GetObject) I override the URL in the original setup to po...more >>

Hello everyone, I am working on a remoting server that "fires" events to its clients. The problem I am having is that I cannot remove a delegate from the server when a client goes away. 1- I start my server 2- I start 2 client applications 3- I perform some task from both clients 4 - ...more >>

I need to see an example that connects to a singleton object and retrieves data from the remote object that is currently running and the client DOES NOT get a new instance but an existing. -- David Sanchez...more >>

The application I'm currently working on has some old code from a previous developer that is causing me some grief. For some reason he used SOAP for serializing a class for storage on disk (I'm not familiar with SOAP so maybe this makes more sense than I know -- I associate SOAP with networ...more >>

I am writing an Outlook XP/2003 COM Add-in in C# (Visual Studio .NET 2003). I would like to also act as a .NET remoting service that clients can connect to for information. I've added this code to initialize the server component in the Add-in: // Set up the remote service. try { HttpC...more >>

(NOTE: While typing out the post I think I answered my own question so now I am looking for a sanity check on the solution.) This question is a architectual question which is best asked via a scenario. I have a chat server and a series of chat clients. The chat server creates a servr "prox...more >>

Hello, I'm trying to assess the merits of .Net remoting in the presence of firewalls (potentially every host is running a firewall), in comparison to Java RMI in a similar situation. I have investigated RMI over SSH and similar schemes, and although tunneling RMI through firewalls seems to...more >>

I get "Object reference not set to an instance of an object." when I try to access a method in a remote object. I try Activator.getobject and Activator.CreateInstance I stiil get the error. Now this call is made in the form_load event. I also try it in a button click event to ke sure all o...more >>

All, I am wrinting a c# remote object using the singleton pattern. I will have multiple client calling my remote object thus it will have to be thread-safe. Can someone tell me how I can go about making my object thread-safe? Thanks Msuk...more >>

I am trying to come up to speed on Remoting. I tried programming an example remote app that was given in MS Pressses Developing XML Web Service and Server Components. It is a chat example. When I try to launch a client I get a security exception thrown. This gives me a long list of messages...more >>

Part of this was discussed indirectly in post by jmjohnsom and Ken Kolda starting on 1/13/2005. Background: We have a winforms client that uses remoting to communicate with a Presentation Layer running as windows service. For various reasons, we may want to deploy the client and server ...more >>

statusChannel = new TcpServerChannel(9000); ChannelServices.RegisterChannel(statusChannel); RemotingServices.Marshal(statusContext, "StatusDataUri"); and this one..... TcpClientChannelInst = new TcpClientChannel(); ChannelServices.RegisterChannel(TcpClientChannelInst); RemotingConfigurati...more >>

Hello, I am having a bit of a problem with Deserialization. I need to "override" the special constructor used when an object is deserialize. In thes constructor I have to execute some code that is requierd by our framework and then call the 'original' special constructor. How can I call ...more >>

Hi there, I got a Singleton remote object that reads messages from MSMQ. If I host the remote object within an executable it reads the messages without a problem. However, when I host the remote object within the IIS Server it fails to read the messages. If the queue is configured to be priv...more >>

I create 2 CAO objects, like this. The factory1 & factory2 instances are singletons with infinite leases. Implementations of cao1 and cao2 have initial/renewal lease times of 5 seconds and a timeout of 120 seconds. cao1 = factory1.create(); cao2 = factory2.create(); At some point, I actuall...more >>

Hi, I'm building up a Multi-agent system with Remoting. Any PC within the LAN can host a so-called "Agent platform" (containing a remote object to create and delete agents and other infrastructure ops.) and this "agent platform" hosts "agents". These agents have EACH an EventManager defined a...more >>

I'm loading a DLL dynamically in my application (plug-in style). I'm given the physical file location of the DLL (called _LibraryFilePath) and the name of the class to load (called _LibraryClassName). I'm using the following code to load the DLL and get a reference: Dim myAssembly As ...more >>

Hi guys, I'm pulling my hair out on this, maybe one of you can jump in here. I'm using the BeginInvoke method of a delegate to call a method of a remote (SAO/PO) object in client code, but for some weird reason this does NOT execute asynchronously... Here's the code: public delegate st...more >>

Hi- If I use Windows Services as a host for my Server Activated Objects does the framework take care of multiple requests and using the ThreadPool to handle requests received from various clients at the same time? Thanks. Ali ...more >>

I too have fallen victim to this problem. Here is the setup: I have a website that accesses assemblies via remoting. I have 2 windows services that serve as listeners. Service 1 for 1.dll and service 2 for a whole bunch of other DLLs. Each listens on a different port. Everything works f...more >>

Hi all - I've got a problem occurring at 2 out of about 25 clients I have an app installed at. I've got a CAO over a tcp binary channel, ..net v1.1, win2k server and winNT6a clients (at least, the sites we have issues with are WinNT clients). The CAOs are accessed from a VB6 client via COM int...more >>

Hey Guys, I created a remote object which hosting in a console application (for dev only which will be window services later). Which is singleton, SAO, delegate event, TCP and HTTP in it. I create a console application and window application to talk to remote object and register the event, b...more >>

Hi, I have a CAO objects that are generated from a singleton server (factory). The client sponsors the CAO object. When the client dies, I get the a System.Net.Sockets.SocketException exception. I understands why it is thrown (the CAO cannot reach its lease), but how do I catch it? From http...more >>

Hi I have some Remote objects that I was hosting in a service. The need for authentication and impersonation has meant I have moved the objects to be hosted in IIS. I can get the authentication to use proper Windows Authentication, but I can't achieve impersonation. I achieve authenticatio...more >>

Hello all, Given my general greenness when it comes to remoting and my desire to having something relatively stable up and running in the short term I have been considering the purchase of Genuine Channels. Would I be making a smart purchase here? What things should I be cons...more >>

I am using LoadFrom in my webservice to dynamically load an assembly and get the following error: System.Runtime.Remoting.RemotingException: Can not load type 'MS.IT.Legal.Dev.ClassLibrary1.Class1, ClassLibrary1, Version=1.0.1870.25127, Culture=neutral, PublicKeyToken=059c47bbe623bab9'. It w...more >>

I have write a DLL server I have this problem : when I call one specific function to the inside Class i have this error : "Impossible to find the constructor demanded for deserialize a object of type DllServer.NetApi+cColl This is my Class, I have only specified the interested part Pub...more >>

Hi, After having uncomprehensible problems with remoting, I drilled down the the simple example in Ingo Rammer's Chapter3 "ClientActivatedViaFactory". My problem is still there... When I run both server and client on the same machine, everything works fine. Problems arise when I distribut...more >>

I am getting error between my local code, that's making call to a remote object, and the called remote code. The error occoured after my remote object returns (I can debug to that point. And it shows the returned reference correctly) and before my calling code gets the returned reference b...more >>

hey i wanna get a copy of my remote object through its realproxy on the local context. some code of mine is below: ----SERVER----- // Start publishing the object over remoting TcpServerChannel statusChannel = new TcpServerChannel(3333); ChannelServices.RegisterChannel(statusChannel); Rem...more >>

Hi I'm not absolutley sure how references in Remoting will persist. My server object is a singleton. Let's say I have two server methods (extremely simplified for this question): // case 1 public MyClass GetClass() { return new MyClass(); } // case 2 public MyClass FillClass...more >>

I'm trying to run a remote script using WSH script. When I run the script from the command prompt, it work fine. Tracing the task manager, when the script run from the command prompt it use the my user account. I trying to run the script from an ASP.NET page using a system.diagnostic pr...more >>

Hello, I am working on an updater that Retrieves a file from a web page. GetRequest.Method = "POST" SW = New StreamWriter(TheRequest.GetRequestStream) SW.WriteLine(TransferName) SW.Close() TheResponse = TheRequest.GetResponse() ms = New MemoryStream() CopyData(TheResponse.GetResponse...more >>