launchpad-dev team mailing list archive

[Bjorn Tillenius <bjorn@xxxxxxxxxxxxx>]

On Wed, Sep 16, 2009 at 09:15:05AM -0400, Francis J. Lacoste wrote:
> On September 15, 2009, Bjorn Tillenius wrote:
> > Hi,
> > 
> > I remember when we started using Windmill, we have this problem that
> > after a test run, uuid had somehow started listening on a port we used
> > (either the app or smtp server, I can't remember). We don't seem to have
> > this problem anymore, so can anyone remember how we fixed it?
> > 
> 
> It was fixed by a new upstream version. I think they catch the error and 
> change ports automatically.

Ah, right.

> > Well, actually we do have this problem. I'm making the Windmill tests
> > run in a subclass of AppServerLayer, which starts an SMTP server. After
> > windmill and the SMTP server is stopped, libuuid has started listening
> > on the port the SMTP server used. I've worked around it for now by
> > stopping the server before starting Windmill, since I don't think any
> > tests use it, but I'd like to solve this properly.
> > 
> 
> Since that's in our code, we should probably do the same thing. Catch
> the port already in use and find another port.

Yeah, I'll look into it.

BTW, I did find out why this is happening. Windmill uses libuuid, which
forks a process that inherits the parent process' file descriptors,
including the open ports.


-- 
Björn Tillenius | https://launchpad.net/~bjornt