Hi,
I've got an MVC web application, and I'm calling a WCF service from one of
my controllers. The controller method returns a JSON result, and does
something like the following:
public ActionResult GetItem(string key)
{
object result;
try
{
result = wcfClient.GetItem(key);
}
catch (Exception e)
{
result = new { Exception = e.ToString() };
}
return Json(result, JsonRequestBehavior.AllowGet);
}
My WCF client is registered as follows:
container.Register(
Component.For<ICacheService>()
.AsWcfClient(WcfEndpoint.FromConfiguration("CacheService"))
.LifestylePerWebRequest());
The reason I have the try-catch in the controller method is that this is an
internal service for developers to use, so if there's some kind of problem,
I just want to display it on the page.
My issue is that when the request ends, Windsor tries to dispose the client
proxy. Because an exception was thrown by the client, the WCF channel is
now in a faulted state. This means that when Dispose() is called, another
exception ends up being thrown because you can't call methods when the
channel is in a faulted state. This means that even though I've handled the
exception in my controller, I can't actually return the result because the
request fails after it's gone out of my control.
I've got a workaround for this which is to just not handle the exception,
and display the error message returned by the web server, but it does seem
wrong to me that the component gets disposed when it's in a state where
disposing it causes an exception to be thrown.
Is this a bug, or am I doing something wrong?
Cheers,
Adam
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