Hi,

Sorry for the very delayed response.

The error message is trying to warn you not to run the service as root - especially when you are using the 'development sandbox' mode (i.e. using bin/run to start the service, which uses some pre-baked config files) which is very much intended for development only, so should never be used as root. It is possible to launch as root, but not in sandbox mode. The alternative to sandbox mode is a dstroot install (perhaps produced by bin/package, perhaps obtained by your favorite local package manager - there are packages for Ubuntu and FreeBSD) and a customized config file that defines - among other things - how to drop privs if started as root. This is necessary if you want to bind low ports, for example. If you don't have a specific reason to be a root, you likely don't need to be root. Even still, you are encouraged not to rely on bin/run for normal server operation, because the run script includes some other behaviors that are probably not appropriate for a 'real' service (like automatically running 'setup' every time, etc). You might be tempted to just say "ah ha! I'll just use run -n instead!" ... which you can do, but... the recommendation stands :)

As far as configuring admin username / password, that is likely not needed. Although Calendar Server does have a concept of an admin user, all the admin tasks can be performed with command line tools by the server admin (see the various calendarserver_* tools in the 'bin' directory, all of which have command line help).

The 'admin' user is the one defined by the "AdminPrincipal" key in the server's config plist. When using bin/run, that is conf/caldavd-dev.plist, otherwise it's whatever plist path you specify when starting caldavd. The AdminPrincipal has full read / write access to everything via CalDAV (i.e. over http). I would use this very sparingly, because you have full access to everything already using the command line tools.

-dre

On May 21, 2016, at 2:06 PM, Michael Parchet <mparchet@sunrise.ch> wrote:

Hello,

Thank you very much for your message.

I have installed memcache and postgresql with

brew install memcache

brew install postgresql


I got two different situations.

1. The server ran for a while but I couldn't found the config file to configure the admin and user login and password

2. Then the server stopped.
I ran sudo bin/run -n
Using /Applications/MAMP/htdocs/CalendarServer-7.0/.develop/virtualenv/bin/python as Python

and I got the following message :

Starting server...
Reading configuration from file: /Applications/MAMP/htdocs/CalendarServer-7.0/conf/caldavd-dev.plist
Removing stale pidfile /Applications/MAMP/htdocs/CalendarServer-7.0/data/Logs/state/caldavd.pid
2016-05-21 22:35:27+0200 [-] Log opened.
2016-05-21 22:35:27+0200 [-] [twisted.application.app#info] twistd 15.2.1 (/Applications/MAMP/htdocs/CalendarServer-7.0/.develop/virtualenv/bin/python 2.7.10) starting up.
2016-05-21 22:35:27+0200 [-] [twisted.application.app#info] reactor class: twisted.internet.selectreactor.SelectReactor.
2016-05-21 22:35:27+0200 [-] [twisted.internet.tcp#info] AMPPushNotifierFactory starting on 62311
2016-05-21 22:35:27+0200 [-] ControlSocket starting on './data/Logs/state/caldavd.sock'
2016-05-21 22:35:27+0200 [-] [txdav.base.datastore.subpostgres#info] Cluster already exists at /Applications/MAMP/htdocs/CalendarServer-7.0/data/Data/Database/cluster
2016-05-21 22:35:27+0200 [-] [txdav.base.datastore.subpostgres#info] Requesting postgres start via: ['/usr/local/bin/pg_ctl', 'start', '--log=/Applications/MAMP/htdocs/CalendarServer-7.0/data/Logs/postgres.log', '--timeout=86400', '-w', '-o', "-c listen_addresses='' -c unix_socket_directories=/tmp/ccs_postgres_b58a648cbe50bc0e4ac7cd29028ed59e -c shared_buffers=139 -c max_connections=93 -c standard_conforming_strings=on -c unix_socket_permissions=0770 -c log_line_prefix=%t"]
2016-05-21 22:35:27+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#info] 2016-05-21 22:35:27+0200 [-] /Library/Python/2.7/site-packages/twisted/python/util.py:753: exceptions.UserWarning: tried to drop privileges and setuid 0 but uid is already 0; should we be root? Continuing.
2016-05-21 22:35:27+0200 [-] [memcached-Default] can't run as root without the -u switch
2016-05-21 22:35:27+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#error] pg_ctl: cannot be run as root
2016-05-21 22:35:27+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#error] Please log in (using, e.g., "su") as the (unprivileged) user that will
2016-05-21 22:35:27+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#error] own the server process.
2016-05-21 22:35:27+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#info] pg_ctl process ended with status=256
2016-05-21 22:35:27+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#error] Could not start postgres; see postgres.log
2016-05-21 22:35:27+0200 [-] [txdav.base.datastore.subpostgres#critical] Can't start or connect to postgres: No such socket file: /tmp/ccs_postgres_b58a648cbe50bc0e4ac7cd29028ed59e/.s.PGSQL.5432
2016-05-21 22:35:27+0200 [-] (UNIX Port './data/Logs/state/caldavd.sock' Closed)
2016-05-21 22:35:27+0200 [-] [twisted.internet.tcp#info] (TCP Port 62311 Closed)

I tried to solve the issue using bin/develop but I could not fix the issue.

Could you help me please ?

Thanks for your support

Best regards

mparchet





Le 13.05.16 02:10, Andre LaBranche a écrit :
Hi,

There is more to installing Calendar Server than just the pip dependencies. Specifically, there are various C-based dependencies you need as well (such as , which appears to be missing in your case).

Unfortunately the task of installing Calendar Server is kind of complicated, and varies by platform. You can try using "bin/package <dest directory>" to attempt to install Calendar Server and all its dependencies into the specified directory. The specific way you start the service also matters, in particular the invoking environment. The 'package' script emits an environment.sh file that should be sourced by the shell that starts CalendarServer.

... and now that I think of it, everything I just said applies to trunk (at least v8 and newer), but possibly not v7... Give it a try and if you're still stuck tomorrow I'll dig deeper :)

(The easiest way to use the service is in '' mode which takes care of all this stuff for you, where you use bin/develop and then bin/run, but that is not really 'installation' per se)

-dre


On May 12, 2016, at 1:11 PM, Michael Parchet <mparchet@sunrise.ch> wrote:

Hello,

I have install the calendarserver dependence throw pip with this command,

pip install -r requirements-stable.txt




but when I start the calendarserver, I have a log similar to

Starting server...
Reading configuration from file: /Applications/MAMP/htdocs/CalendarServer-7.0/conf/caldavd-dev.plist
2016-05-12 21:40:08+0200 [-] Log opened.
2016-05-12 21:40:08+0200 [-] [twisted.application.app#info] twistd 15.2.1 (/System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python 2.7.10) starting up.
2016-05-12 21:40:08+0200 [-] [twisted.application.app#info] reactor class: twisted.internet.selectreactor.SelectReactor.
2016-05-12 21:40:08+0200 [-] [twisted.internet.tcp#info] AMPPushNotifierFactory starting on 62311
2016-05-12 21:40:08+0200 [-] ControlSocket starting on './data/Logs/state/caldavd.sock'
2016-05-12 21:40:08+0200 [-] [txdav.base.datastore.subpostgres#info] Creating /tmp/ccs_postgres_b58a648cbe50bc0e4ac7cd29028ed59e
2016-05-12 21:40:08+0200 [-] [txdav.base.datastore.subpostgres#info] Cluster already exists at /Applications/MAMP/htdocs/CalendarServer-7.0/data/Data/Database/cluster
2016-05-12 21:40:08+0200 [-] [txdav.base.datastore.subpostgres#info] Requesting postgres start via: ['/usr/local/bin/pg_ctl', 'start', '--log=/Applications/MAMP/htdocs/CalendarServer-7.0/data/Logs/postgres.log', '--timeout=86400', '-w', '-o', "-c listen_addresses='' -c unix_socket_directories=/tmp/ccs_postgres_b58a648cbe50bc0e4ac7cd29028ed59e -c shared_buffers=139 -c max_connections=93 -c standard_conforming_strings=on -c unix_socket_permissions=0770 -c log_line_prefix=%t"]
2016-05-12 21:40:08+0200 [-] [memcached-Default] Upon execvpe memcached ['memcached', '-U', '0', '-s', './data/Logs/state/memcache.sock'] in environment id 4647634656
2016-05-12 21:40:08+0200 [-] [memcached-Default] :Traceback (most recent call last):
2016-05-12 21:40:08+0200 [-] [memcached-Default]   File "/Library/Python/2.7/site-packages/twisted/internet/process.py", line 424, in _fork
2016-05-12 21:40:08+0200 [-] [memcached-Default]     environment)
2016-05-12 21:40:08+0200 [-] [memcached-Default]   File "/Library/Python/2.7/site-packages/twisted/internet/process.py", line 502, in _execChild
2016-05-12 21:40:08+0200 [-] [memcached-Default] os.execvpe(executable, args, environment)
2016-05-12 21:40:08+0200 [-] [memcached-Default]   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 355, in execvpe
2016-05-12 21:40:08+0200 [-] [memcached-Default]     _execvpe(file, args, env)
2016-05-12 21:40:08+0200 [-] [memcached-Default]   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 382, in _execvpe
2016-05-12 21:40:08+0200 [-] [memcached-Default]     func(fullname, *argrest)
2016-05-12 21:40:08+0200 [-] [memcached-Default] OSError: [Errno 2] No such file or directory
2016-05-12 21:40:08+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#info] waiting for server to start....
2016-05-12 21:40:09+0200 [-] [memcached-Default] Upon execvpe memcached ['memcached', '-U', '0', '-s', './data/Logs/state/memcache.sock'] in environment id 4647571816
2016-05-12 21:40:09+0200 [-] [memcached-Default] :Traceback (most recent call last):
2016-05-12 21:40:09+0200 [-] [memcached-Default]   File "/Library/Python/2.7/site-packages/twisted/internet/process.py", line 424, in _fork
2016-05-12 21:40:09+0200 [-] [memcached-Default]     environment)
2016-05-12 21:40:09+0200 [-] [memcached-Default]   File "/Library/Python/2.7/site-packages/twisted/internet/process.py", line 502, in _execChild
2016-05-12 21:40:09+0200 [-] [memcached-Default] os.execvpe(executable, args, environment)
2016-05-12 21:40:09+0200 [-] [memcached-Default]   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 355, in execvpe
2016-05-12 21:40:09+0200 [-] [memcached-Default]     _execvpe(file, args, env)
2016-05-12 21:40:09+0200 [-] [memcached-Default]   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 382, in _execvpe
2016-05-12 21:40:09+0200 [-] [memcached-Default]     func(fullname, *argrest)
2016-05-12 21:40:09+0200 [-] [memcached-Default] OSError: [Errno 2] No such file or directory
2016-05-12 21:40:09+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#info]  done
2016-05-12 21:40:09+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#info] server started
2016-05-12 21:40:09+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#info] pg_ctl process ended with status=0
2016-05-12 21:40:09+0200 [-] [txdav.base.datastore.subpostgres#info] /usr/local/bin/pg_ctl exited
2016-05-12 21:40:09+0200 [-] [txdav.who.util#info] Configuring augment service of type: <class 'twistedcaldav.directory.augment.AugmentXMLDB'>
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseSchemaStep#warn] Beginning database schema check.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseSchemaStep#warn] Required database key VERSION: 58.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseSchemaStep#warn] Actual database key VERSION: 58.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseSchemaStep#warn] Schema version check complete: no upgrade needed.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseSchemaStep#warn] Database schema check complete.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseAddressBookDataStep#warn] Beginning database addressbook data check.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseAddressBookDataStep#warn] Required database key ADDRESSBOOK-DATAVERSION: 2.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseAddressBookDataStep#warn] Actual database key ADDRESSBOOK-DATAVERSION: 2.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseAddressBookDataStep#warn] Addressbook data version check complete: no upgrade needed.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseAddressBookDataStep#warn] Database addressbook data check complete.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseCalendarDataStep#warn] Beginning database calendar data check.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseCalendarDataStep#warn] Required database key CALENDAR-DATAVERSION: 6.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseCalendarDataStep#warn] Actual database key CALENDAR-DATAVERSION: 6.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseCalendarDataStep#warn] Calendar data version check complete: no upgrade needed.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseCalendarDataStep#warn] Database calendar data check complete.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseNotificationDataStep#warn] Beginning database notification data check.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseNotificationDataStep#warn] Required database key NOTIFICATION-DATAVERSION: 1.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseNotificationDataStep#warn] Actual database key NOTIFICATION-DATAVERSION: 1.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseNotificationDataStep#warn] Notification data version check complete: no upgrade needed.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseNotificationDataStep#warn] Database notification data check complete.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseOtherStep#warn] Beginning database other upgrades check.
2016-05-12 21:40:09+0200 [-] [txdav.common.datastore.upgrade.sql.upgrade.UpgradeDatabaseOtherStep#warn] Database other upgrades check complete.
2016-05-12 21:40:09+0200 [-] [twistedcaldav.upgrade#warn] Loading delegate assignments from XML
2016-05-12 21:40:09+0200 [-] [twistedcaldav.memcachepool.MemCacheClientFactory#error] MemCache connection failed: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectError'>: An error occurred while connecting: 2: No such file or directory.
   ]
2016-05-12 21:40:11+0200 [-] [memcached-Default] Upon execvpe memcached ['memcached', '-U', '0', '-s', './data/Logs/state/memcache.sock'] in environment id 4651329528
2016-05-12 21:40:11+0200 [-] [memcached-Default] :Traceback (most recent call last):
2016-05-12 21:40:11+0200 [-] [memcached-Default]   File "/Library/Python/2.7/site-packages/twisted/internet/process.py", line 424, in _fork
2016-05-12 21:40:11+0200 [-] [memcached-Default]     environment)
2016-05-12 21:40:11+0200 [-] [memcached-Default]   File "/Library/Python/2.7/site-packages/twisted/internet/process.py", line 502, in _execChild
2016-05-12 21:40:11+0200 [-] [memcached-Default] os.execvpe(executable, args, environment)
2016-05-12 21:40:11+0200 [-] [memcached-Default]   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 355, in execvpe
2016-05-12 21:40:11+0200 [-] [memcached-Default]     _execvpe(file, args, env)
2016-05-12 21:40:11+0200 [-] [memcached-Default]   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 382, in _execvpe
2016-05-12 21:40:11+0200 [-] [memcached-Default]     func(fullname, *argrest)
2016-05-12 21:40:11+0200 [-] [memcached-Default] OSError: [Errno 2] No such file or directory
2016-05-12 21:40:12+0200 [-] [twistedcaldav.memcachepool.MemCacheClientFactory#error] MemCache connection failed: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectError'>: An error occurred while connecting: 2: No such file or directory.
   ]
2016-05-12 21:40:15+0200 [-] [memcached-Default] Upon execvpe memcached ['memcached', '-U', '0', '-s', './data/Logs/state/memcache.sock'] in environment id 4651329528
2016-05-12 21:40:15+0200 [-] [memcached-Default] :Traceback (most recent call last):
2016-05-12 21:40:15+0200 [-] [memcached-Default]   File "/Library/Python/2.7/site-packages/twisted/internet/process.py", line 424, in _fork
2016-05-12 21:40:15+0200 [-] [memcached-Default]     environment)
2016-05-12 21:40:15+0200 [-] [memcached-Default]   File "/Library/Python/2.7/site-packages/twisted/internet/process.py", line 502, in _execChild
2016-05-12 21:40:15+0200 [-] [memcached-Default] os.execvpe(executable, args, environment)
2016-05-12 21:40:15+0200 [-] [memcached-Default]   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 355, in execvpe
2016-05-12 21:40:15+0200 [-] [memcached-Default]     _execvpe(file, args, env)
2016-05-12 21:40:15+0200 [-] [memcached-Default]   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 382, in _execvpe
2016-05-12 21:40:15+0200 [-] [memcached-Default]     func(fullname, *argrest)
2016-05-12 21:40:15+0200 [-] [memcached-Default] OSError: [Errno 2] No such file or directory
2016-05-12 21:40:21+0200 [-] [twistedcaldav.memcachepool.MemCacheClientFactory#error] MemCache connection failed: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectError'>: An error occurred while connecting: 2: No such file or directory.
   ]
2016-05-12 21:40:23+0200 [-] [memcached-Default] Upon execvpe memcached ['memcached', '-U', '0', '-s', './data/Logs/state/memcache.sock'] in environment id 4651329528
2016-05-12 21:40:23+0200 [-] [memcached-Default] :Traceback (most recent call last):
2016-05-12 21:40:23+0200 [-] [memcached-Default]   File "/Library/Python/2.7/site-packages/twisted/internet/process.py", line 424, in _fork
2016-05-12 21:40:23+0200 [-] [memcached-Default]     environment)
2016-05-12 21:40:23+0200 [-] [memcached-Default]   File "/Library/Python/2.7/site-packages/twisted/internet/process.py", line 502, in _execChild
2016-05-12 21:40:23+0200 [-] [memcached-Default] os.execvpe(executable, args, environment)
2016-05-12 21:40:23+0200 [-] [memcached-Default]   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 355, in execvpe
2016-05-12 21:40:23+0200 [-] [memcached-Default]     _execvpe(file, args, env)
2016-05-12 21:40:23+0200 [-] [memcached-Default]   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 382, in _execvpe
2016-05-12 21:40:23+0200 [-] [memcached-Default]     func(fullname, *argrest)
2016-05-12 21:40:23+0200 [-] [memcached-Default] OSError: [Errno 2] No such file or directory
2016-05-12 21:40:39+0200 [-] [memcached-Default] Upon execvpe memcached ['memcached', '-U', '0', '-s', './data/Logs/state/memcache.sock'] in environment id 4651330368
2016-05-12 21:40:39+0200 [-] [memcached-Default] :Traceback (most recent call last):
2016-05-12 21:40:39+0200 [-] [memcached-Default]   File "/Library/Python/2.7/site-packages/twisted/internet/process.py", line 424, in _fork
2016-05-12 21:40:39+0200 [-] [memcached-Default]     environment)
2016-05-12 21:40:39+0200 [-] [memcached-Default]   File "/Library/Python/2.7/site-packages/twisted/internet/process.py", line 502, in _execChild
2016-05-12 21:40:39+0200 [-] [memcached-Default] os.execvpe(executable, args, environment)
2016-05-12 21:40:39+0200 [-] [memcached-Default]   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 355, in execvpe
2016-05-12 21:40:39+0200 [-] [memcached-Default]     _execvpe(file, args, env)
2016-05-12 21:40:39+0200 [-] [memcached-Default]   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 382, in _execvpe
2016-05-12 21:40:39+0200 [-] [memcached-Default]     func(fullname, *argrest)
2016-05-12 21:40:39+0200 [-] [memcached-Default] OSError: [Errno 2] No such file or directory
2016-05-12 21:40:45+0200 [-] [twistedcaldav.memcachepool.MemCacheClientFactory#error] MemCache connection failed: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectError'>: An error occurred while connecting: 2: No such file or directory.
   ]
^C2016-05-12 21:40:51+0200 [-] [twisted.internet.base#info] Received SIGINT, shutting down.
2016-05-12 21:40:51+0200 [-] (UNIX Port './data/Logs/state/caldavd.sock' Closed)
2016-05-12 21:40:51+0200 [-] [twisted.internet.tcp#info] (TCP Port 62311 Closed)
2016-05-12 21:40:51+0200 [-] [txdav.base.datastore.subpostgres#info] Requesting postgres stop via: ['/usr/local/bin/pg_ctl', 'stop', '--log=/Applications/MAMP/htdocs/CalendarServer-7.0/data/Logs/postgres.log']
2016-05-12 21:40:51+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#error] pg_ctl: PID file "/Applications/MAMP/htdocs/CalendarServer-7.0/data/Data/Database/cluster/postmaster.pid" does not exist
2016-05-12 21:40:51+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#error] Is server running?
2016-05-12 21:40:51+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#info] pg_ctl process ended with status=256
2016-05-12 21:40:51+0200 [-] [txdav.base.datastore.subpostgres.PostgresMonitor#error] Could not start postgres; see postgres.log
2016-05-12 21:41:43+0200 [-] [twistedcaldav.memcachepool.MemCacheClientFactory#error] MemCache connection failed: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectError'>: An error occurred while connecting: 2: No such file or directory.
   ]
2016-05-12 21:44:44+0200 [-] [twistedcaldav.memcachepool.MemCacheClientFactory#error] MemCache connection failed: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectError'>: An error occurred while connecting: 2: No such file or directory.
   ]
2016-05-12 21:45:09+0200 [-] [txdav.common.datastore.sql#error] Transaction abort too long: PG-TXN<xmlDelegatesToStore>, Statements: 0, IUDs: 0, Statement: None
2016-05-12 21:45:09+0200 [-] Unhandled Error
   Traceback (most recent call last):
     File "/Library/Python/2.7/site-packages/twisted/application/app.py", line 405, in startReactor
       self.config, oldstdout, oldstderr, self.profiler, reactor)
     File "/Library/Python/2.7/site-packages/twisted/application/app.py", line 326, in runReactorWithLogging
       reactor.run()
     File "/Library/Python/2.7/site-packages/twisted/internet/base.py", line 1194, in run
       self.mainLoop()
     File "/Library/Python/2.7/site-packages/twisted/internet/base.py", line 1203, in mainLoop
       self.runUntilCurrent()
   --- <exception caught here> ---
     File "/Library/Python/2.7/site-packages/twisted/internet/base.py", line 825, in runUntilCurrent
       call.func(*call.args, **call.kw)
     File "/Applications/MAMP/htdocs/CalendarServer-7.0/txdav/common/datastore/sql.py", line 546, in _forceAbort
       self.txn.timeout()
     File "/Applications/MAMP/htdocs/CalendarServer-7.0/txdav/common/datastore/sql.py", line 1019, in timeout
       return self.abort()
     File "/Applications/MAMP/htdocs/CalendarServer-7.0/txdav/common/datastore/sql.py", line 1011, in abort
       return self._sqlTxn.abort()
     File "/Applications/MAMP/htdocs/CalendarServer-7.0/src/twextpy/twext/enterprise/adbapi2.py", line 736, in abort
       result = super(_SingleTxn, self).abort()
     File "/Applications/MAMP/htdocs/CalendarServer-7.0/src/twextpy/twext/enterprise/adbapi2.py", line 376, in abort
       return self._end(self._connection.rollback).addErrback(log.err)
     File "/Applications/MAMP/htdocs/CalendarServer-7.0/src/twextpy/twext/enterprise/adbapi2.py", line 368, in _end
       raise AlreadyFinishedError(self._completed)
   twext.enterprise.ienterprise.AlreadyFinishedError: released

2016-05-12 21:54:46+0200 [-] [twistedcaldav.memcachepool.MemCacheClientFactory#error] MemCache connection failed: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectError'>: An error occurred while connecting: 2: No such file or directory.
   ]


I have found this on the apple community forum


https://discussions.apple.com/thread/6494327?start=0&tstart=0


Could you help me please to fix this issue ?

Thanks for your support

Best regards

mparchet
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