Hi Cyrus, Just told you looks like I didn't install calendarserver correctly,coz I can run (./run -s) without trouble. but when I start running calendarserver, it mentions can not find _sqlite module, error message is as follows: #./run Unknown option: EventExpirationDays 2006/11/01 11:36 +1000 [-] Log opened. 2006/11/01 11:36 +1000 [-] twistd 2.4.0+r18545 (/usr/bin/python 2.4.0) starting up 2006/11/01 11:36 +1000 [-] reactor class: <class 'twisted.internet.selectreactor.SelectReactor'> 2006/11/01 11:36 +1000 [-] Loading /tmp/caldavGwNhL5... 2006/11/01 11:36 +1000 [-] Traceback (most recent call last): 2006/11/01 11:36 +1000 [-] File "/home/juliahu/bin/subversion-1.3.2/Twisted/twisted/application/app.py", line 235, in getApplication 2006/11/01 11:36 +1000 [-] application = service.loadApplication(filename, style, passphrase) 2006/11/01 11:36 +1000 [-] File "/home/juliahu/bin/subversion-1.3.2/Twisted/twisted/application/service.py", line 341, in loadApplication 2006/11/01 11:36 +1000 [-] application = sob.loadValueFromFile(filename, 'application', passphrase) 2006/11/01 11:36 +1000 [-] File "/home/juliahu/bin/subversion-1.3.2/Twisted/twisted/persisted/sob.py", line 215, in loadValueFromFile 2006/11/01 11:36 +1000 [-] exec fileObj in d, d 2006/11/01 11:36 +1000 [-] File "/tmp/caldavGwNhL5", line 17, in ? 2006/11/01 11:36 +1000 [-] from twistedcaldav.repository import startServer 2006/11/01 11:36 +1000 [-] File "/home/juliahu/bin/subversion-1.3.2/Calendar/twistedcaldav/repository.py", line 47, in ? 2006/11/01 11:36 +1000 [-] from twistedcaldav.static import CalDAVFile, CalendarHomeFile, CalendarPrincipalFile 2006/11/01 11:36 +1000 [-] File "/home/juliahu/bin/subversion-1.3.2/Calendar/twistedcaldav/static.py", line 55, in ? 2006/11/01 11:36 +1000 [-] from twistedcaldav.index import Index, IndexSchedule, db_basename 2006/11/01 11:36 +1000 [-] File "/home/juliahu/bin/subversion-1.3.2/Calendar/twistedcaldav/index.py", line 35, in ? 2006/11/01 11:36 +1000 [-] from pysqlite2 import dbapi2 as sqlite 2006/11/01 11:36 +1000 [-] File "/home/juliahu/bin/subversion-1.3.2/pysqlite-2.2.2/build/lib.linux-i686-2.4/pysqlite2/dbapi2.py", line 27, in ? 2006/11/01 11:36 +1000 [-] from pysqlite2._sqlite import * 2006/11/01 11:36 +1000 [-] ImportError: No module named _sqlite 2006/11/01 11:36 +1000 [-] Failed to load application: No module named _sqlite 2006/11/01 11:36 +1000 [-] Unhandled Error Traceback (most recent call last): File "/home/juliahu/bin/subversion-1.3.2/Twisted/twisted/application/app.py", line 365, in run runApp(config) File "/home/juliahu/bin/subversion-1.3.2/Twisted/twisted/scripts/twistd.py", line 23, in runApp _SomeApplicationRunner(config).run() File "/home/juliahu/bin/subversion-1.3.2/Twisted/twisted/application/app.py", line 174, in run self.application = self.createOrGetApplication() File "/home/juliahu/bin/subversion-1.3.2/Twisted/twisted/application/app.py", line 224, in createOrGetApplication application = getApplication(self.config, passphrase) --- <exception caught here> --- File "/home/juliahu/bin/subversion-1.3.2/Twisted/twisted/application/app.py", line 235, in getApplication application = service.loadApplication(filename, style, passphrase) File "/home/juliahu/bin/subversion-1.3.2/Twisted/twisted/application/service.py", line 341, in loadApplication application = sob.loadValueFromFile(filename, 'application', passphrase) File "/home/juliahu/bin/subversion-1.3.2/Twisted/twisted/persisted/sob.py", line 215, in loadValueFromFile exec fileObj in d, d File "/tmp/caldavGwNhL5", line 17, in ? from twistedcaldav.repository import startServer File "/home/juliahu/bin/subversion-1.3.2/Calendar/twistedcaldav/repository.py", line 47, in ? from twistedcaldav.static import CalDAVFile, CalendarHomeFile, CalendarPrincipalFile File "/home/juliahu/bin/subversion-1.3.2/Calendar/twistedcaldav/static.py", line 55, in ? from twistedcaldav.index import Index, IndexSchedule, db_basename File "/home/juliahu/bin/subversion-1.3.2/Calendar/twistedcaldav/index.py", line 35, in ? from pysqlite2 import dbapi2 as sqlite File "/home/juliahu/bin/subversion-1.3.2/pysqlite-2.2.2/build/lib.linux-i686-2.4/pysqlite2/dbapi2.py", line 27, in ? from pysqlite2._sqlite import * exceptions.ImportError: No module named _sqlite Failed to load application: No module named _sqlite 2006/11/01 11:36 +1000 [-] Starting CalDAV Server [Done] I try to update pysqlite(2.2.2), but I compare the content (I just downloaded from python)with original one(in subversion of my machine), that's no difference between them..any idea I can fix this problem? Thx a lot Julia