[CalendarServer-users] twisted cannot listen

Cyrus Daboo cdaboo at apple.com
Mon Jun 2 10:03:20 PDT 2008

Hi Conrad,

--On June 2, 2008 11:58:57 AM -0500 Conrad Wasmer 
<conrad.wasmer at comcast.net> wrote:

> I am new to this list, and could not find a way to search the archives,
> so please forgive me and/or point me to a past thread if I am re-hashing
> old news.
> I've set up calendar server (employing advice from Tony Rush's blog) and
> things worked great for a few months. Then at the end of April, it
> stopped.  I haven't dealt with this because our first child joined us in
> early April, and some priorities have shifted... The only thing that may
> have changed is, perhaps, an update to Leopard from Apple.  After the
> recent update to 10.5.3, there was no sudden re-enabling of the Calendar
> Server, for which I had illogically hoped.
> It appears that twisted is looking to listen to an address that is
> already in use. Any advice is much appreciated.
> Here's what I have from my error log produced upon the failure to start:

Well you do have something already running listening on the ports you have 
selected in the caldavd.plist that you are using. First check to see 
whether there is an old calendar server running:

ps -aux | grep caldav

If so stop/kill that. If not you will need to use netstat et al to find the 
process that is listening and either stop that, if you can, or change the 
ports in caldavd.plist to something else.

Cyrus Daboo

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