Kalender-Server startet nicht mehr

[apfeltatze]

Der Kalender-Server versucht zu starten, bricht aber sofort wieder ab.

Leider bin ich ganz schlecht im Verstehenvon Logfiles.
Versteht jemand, was da steht und was vielleicht das Problem ist? Und vor allem, was ich tun kann?

2015-08-13 11:28:30+0200 [-] [caldav-4] ]
2015-08-13 14:43:19+0200 [-] [caldav-4] [-] [txweb2.channel.http#error] Connection aborted - took too long to close: IPv4Address(TCP, '95.90.243.31', 56540)
2015-08-14 06:13:56+0200 [-] [caldav-0] [-] [calendarserver.push.applepush.APNFeedbackFactory#error] Unable to connect to APN feedback server: [Failure instance: Traceback: <class 'socket.gaierror'>: [Errno 8] nodename nor servname provided, or not known
2015-08-14 06:13:56+0200 [-] [caldav-0] /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py:783:__bootstrap
2015-08-14 06:13:56+0200 [-] [caldav-0] /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py:810:__bootstrap_inner
2015-08-14 06:13:56+0200 [-] [caldav-0] /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py:763:run
2015-08-14 06:13:56+0200 [-] [caldav-0] --- <exception caught here> ---
2015-08-14 06:13:56+0200 [-] [caldav-0] /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/twisted/python/threadpool.py:191:_worker
2015-08-14 06:13:56+0200 [-] [caldav-0] /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/twisted/python/context.py:118:callWithContext
2015-08-14 06:13:56+0200 [-] [caldav-0] /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/twisted/python/context.py:81:callWithContext
2015-08-14 06:13:56+0200 [-] [caldav-0] ]
2015-08-14 06:13:56+0200 [-] [caldav-0] [-] [calendarserver.push.applepush.APNFeedbackFactory#error] Unable to connect to APN feedback server: [Failure instance: Traceback: <class 'socket.gaierror'>: [Errno 8] nodename nor servname provided, or not known
2015-08-14 06:13:56+0200 [-] [caldav-0] /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py:783:__bootstrap
2015-08-14 06:13:56+0200 [-] [caldav-0] /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py:810:__bootstrap_inner
2015-08-14 06:13:56+0200 [-] [caldav-0] /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py:763:run
2015-08-14 06:13:56+0200 [-] [caldav-0] --- <exception caught here> ---
2015-08-14 06:13:56+0200 [-] [caldav-0] /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/twisted/python/threadpool.py:191:_worker
2015-08-14 06:13:56+0200 [-] [caldav-0] /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/twisted/python/context.py:118:callWithContext
2015-08-14 06:13:56+0200 [-] [caldav-0] /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/twisted/python/context.py:81:callWithContext
2015-08-14 06:13:56+0200 [-] [caldav-0] ]
2015-08-14 08:39:58+0200 [-] (UNIX Port '/var/run/caldavd/caldavd.sock' Closed)
2015-08-14 08:39:58+0200 [-] [directoryproxy] 2015-08-14 08:39:58+0200 [-] Received SIGTERM, shutting down.
2015-08-14 08:39:58+0200 [-] [directoryproxy] 2015-08-14 08:39:58+0200 [DirectoryProxyAMPProtocol,1,] DirectoryProxyAMPProtocol connection lost (HOST:UNIXAddress('/var/run/caldavd/directory-proxy.sock') PEER:UNIXAddress(None))

2015-08-14 08:39:58+0200 [-] [directoryproxy] 2015-08-14 08:39:58+0200 [-] (UNIX Port '/var/run/caldavd/directory-proxy.sock' Closed)
2015-08-14 08:39:58+0200 [-] [directoryproxy] 2015-08-14 08:39:58+0200 [DirectoryProxyAMPProtocol,0,] DirectoryProxyAMPProtocol connection lost (HOST:UNIXAddress('/var/run/caldavd/directory-proxy.sock') PEER:UNIXAddress(None))
2015-08-14 08:40:03+0200 [-] [txdav.base.datastore.subpostgres#warn] postgres process ended with status 0​