[CalendarServer-users] twisted cannot listen

[Conrad Wasmer]

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:


Removing stale pidfile /Library/CalendarServer/logs/caldavd.pid
2008-06-02 04:57:04-0500 [-] Log opened.
2008-06-02 04:57:04-0500 [-] twistd 2.5.0+rUnknown
(/System/Library/Frameworks/Python.framework/Versions/2.5/Resources/Python.app/Contents/MacOS/Python
2.5.1) starting up
2008-06-02 04:57:04-0500 [-] reactor class: <class
'twisted.internet.selectreactor.SelectReactor'>
2008-06-02 04:57:04-0500 [-] 1 processors found, configuring 1
processes.
2008-06-02 04:57:04-0500 [-] twistedcaldav.logging.AMPLoggingFactory
starting on "'logs/caldavd.sock'"
2008-06-02 04:57:04-0500 [-] Traceback (most recent call last):
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/bin/twistd", line 21, in <module>
2008-06-02 04:57:04-0500 [-]     run()
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/twisted/scripts/twistd.py", line 27, in
run
2008-06-02 04:57:04-0500 [-]     app.run(runApp,
ServerOptions)
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/twisted/application/app.py", line 379, in
run
2008-06-02 04:57:04-0500 [-]     runApp(config)
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/twisted/scripts/twistd.py", line 23, in
runApp
2008-06-02 04:57:04-0500 [-]    
_SomeApplicationRunner(config).run()
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/twisted/application/app.py", line 158, in
run
2008-06-02 04:57:04-0500 [-]     self.postApplication()
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/twisted/scripts/_twistd_unix.py", line 213, in
postApplication
2008-06-02 04:57:04-0500 [-]    
startApplication(self.config, self.application)
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/twisted/scripts/_twistd_unix.py", line 174, in
startApplication
2008-06-02 04:57:04-0500 [-]    
service.IService(application).privilegedStartService()
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/twisted/application/service.py", line 228, in
privilegedStartService
2008-06-02 04:57:04-0500 [-]    
service.privilegedStartService()
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/twisted/application/service.py", line 228, in
privilegedStartService
2008-06-02 04:57:04-0500 [-]    
service.privilegedStartService()
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/twisted/application/internet.py", line 68, in
privilegedStartService
2008-06-02 04:57:04-0500 [-]     self._port =
self._getPort()
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/twisted/application/internet.py", line 86, in
_getPort
2008-06-02 04:57:04-0500 [-]     return getattr(reactor,
'listen'+self.method)(*self.args, **self.kwargs)
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/twisted/internet/posixbase.py", line 432, in
listenUNIX
2008-06-02 04:57:04-0500 [-]     p.startListening()
2008-06-02 04:57:04-0500 [-]   File
"/Library/Twisted/twisted/internet/unix.py", line 89, in
startListening
2008-06-02 04:57:04-0500 [-]     raise CannotListenError,
(None, self.port, le)
2008-06-02 04:57:04-0500 [-]
twisted.internet.error.CannotListenError: Couldn't listen on
any:logs/caldavd.sock: (48, 'Address already in use').




-- 
Conrad Wasmer
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