dotnet distributed apps: Hi,

I'm trying to run multiple unit tests where each test ends up registering
and unregistering an IPC remoting channel. Individually they pass, but as a
group all but the first fail - I get a "Failed to create IPC Port: Access is
denied" error. What do I need to do? I've tried multiple permutations of
things, but the following is the cleanest sample of what i'd like to do:

foreach (IChannel ch in ChannelServices.RegisteredChannels)
{
ChannelServices.UnregisterChannel(ch);
}

Other things that haven't worked include directly unregistering the channel,
calling "StopListening", waiting and retrying multiple times over 30 seconds,
and forcing a garbage collection.

thanks,

Hello Orlando,

Can you tell more how did you run the Unit tests and the channel are
registered? It seems to be weird that only the first call to register the
channel failed, since no channel was registered before it.

Luke

Hi Luke,

It's not the first call to register that fails - it's any register call
*after* unregister is called.

I'm using NUnit. Every test registers the channel in Setup and unregisters
in TearDown. Individually, running any single test passes. It's only when i
run the entire suite that Tests 2 through N fail.

Here's the register code when a config file doesn't exist:

System.Collections.IDictionary properties = new
System.Collections.Hashtable();
properties["name"] = "ipc";
properties["portName"] = Constants.IpcPipeName;
properties["authorizedGroup"] = "Everyone";
mIpcChannel = new IpcServerChannel(properties, null);
ChannelServices.RegisterChannel(mIpcChannel, false);

When a config file does exist, I just do

RemotingConfiguration.Configure(configFile.FullName, false);

The problem happens either way... I get "Failed to create IPC Port: Access is
denied" exception.

thanks,
Orlando

[quoted text, click to view]