Re: Windows Service and WCF Service Problem

I wonder is a service limited to a single thread ??

John Warner


> -----Original Message-----
> From: Discussion of advanced .NET topics. [mailto:ADVANCED-
> [email protected]] On Behalf Of Ernst Kuschke
> Sent: Wednesday, August 26, 2009 9:44 AM
> To: [email protected]
> Subject: Re: [ADVANCED-DOTNET] Windows Service and WCF Service
> Problem
> 
> Hi,
> I'm not sure what exactly it does, but does your Windows Service perhaps
> need the "Allow service to interact with desktop" permission?
> --
> Ernst Kuschke
> MVP - C# (South Africa)
> http://dotnet.org.za/ernst
> 
> On Wed, Aug 26, 2009 at 3:16 PM, Mike Andrews
> <[email protected]>wrote:
> 
> > I'm implementing a windows service and it contains a WCF client to
talk to
> > a
> > WCF service.  The windows service provides drop-folder functionality
for
> > files so that the files are picked up and processed using WCF
services.  I
> > uses a process scheduler to allocate multiple files to multiple
processors
> > to handle these files.  It all works fine when I test outside the
confines
> > of the windows service.  However, once executed in the context of a
> windows
> > service it fails when the WCF service issues a callback to it's client
> > (which in this case is the windows service) . Then it just hangs.  I'm
able
> > to break into the code and see that is is the callback in the WCF
service
> > that is hanging.  No code has been executed in the client (windows
> > service).  It could be a permissions issue, but I changed the account
of
> > the
> > windows service from LocalSystem to my user account for testing to see
if
> > that made a difference and it did not.  I'm administrator of the
machine
> > I'm
> > executing both the WCF service and the windows service.
> >
> > I'm at a loss here to figure out what's going on with this.  This is
tried
> > and tested code (both the WCF client and WCF service) that has worked
for
> > months now and works outside the context of a windows service.  The
code
> > and
> > examples I'm seeing online are utilizing a windows service as a WCF
service
> > but this is not my case.  Is there something I'm missing here to allow
it
> > to
> > work?  Some setting I need that I cannot seem to find?
> >
> > Any help would be most appreciated.
> >
> > Thanks,
> > Mike
> >
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