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Sorry to hear you’re facing problems 
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In order to help you as quickly as possible, before clicking Create Topic please provide as much of the below as you can. Feel free to use a pastebin service for logs, otherwise either indent short log examples with four spaces:
example
Or for longer, use three backticks above and below the code snippet:
longer
example
here
Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can 
Nextcloud version (eg, 20.0.5): 27.0.1_1.6.36
Operating system and version (eg, Ubuntu 20.04): Truenas Scale
Apache or nginx version (eg, Apache 2.4.25): 1.23.3
PHP version (eg, 7.4): replace me
The issue you are facing:
After installing the new version, I can’t start the application because it gets stuck in an error in the nextcloud-posrgres POD with the attached error.
I have tried deleting the application and containers, and install in the same path, but I get the same error.
I understand that it may be a permissions problem, if so how come it worked with the previous version?
Any suggestions?
Thanks.
Is this the first time you’ve seen this error? (Y/N): Y
Steps to replicate it:
- Install the new version 27.0.1_1.6.36.
The output of your Nextcloud log in Admin > Logging:
2023-07-26T13:13:06.393384417Z The files belonging to this database system will be owned by user "postgres".
2023-07-26T13:13:06.393415136Z This user must also own the server process.
2023-07-26T13:13:06.393420828Z
2023-07-26T13:13:06.393479609Z The database cluster will be initialized with locale "en_US.utf8".
2023-07-26T13:13:06.393493682Z The default database encoding has accordingly been set to "UTF8".
2023-07-26T13:13:06.393504711Z The default text search configuration will be set to "english".
2023-07-26T13:13:06.393509375Z
2023-07-26T13:13:06.393512958Z Data page checksums are disabled.
2023-07-26T13:13:06.393516674Z
2023-07-26T13:13:06.393604694Z fixing permissions on existing directory /var/lib/postgresql/data ... ok
2023-07-26T13:13:06.394067440Z creating subdirectories ... ok
2023-07-26T13:13:06.394176022Z selecting dynamic shared memory implementation ... posix
2023-07-26T13:13:06.404749987Z selecting default max_connections ... 100
2023-07-26T13:13:06.415291136Z selecting default shared_buffers ... 128MB
2023-07-26T13:13:06.428316025Z selecting default time zone ... Etc/UTC
2023-07-26T13:13:06.428906295Z creating configuration files ... ok
2023-07-26T13:13:06.519252519Z running bootstrap script ... ok
2023-07-26T13:13:06.800139770Z performing post-bootstrap initialization ... ok
2023-07-26T13:13:07.164408229Z syncing data to disk ... ok
2023-07-26T13:13:07.164535139Z
2023-07-26T13:13:07.164481646Z initdb: warning: enabling "trust" authentication for local connections
2023-07-26T13:13:07.164645340Z You can change this by editing pg_hba.conf or using the option -A, or
2023-07-26T13:13:07.164683708Z --auth-local and --auth-host, the next time you run initdb.
2023-07-26T13:13:07.164562866Z
2023-07-26T13:13:07.164785280Z Success. You can now start the database server using:
2023-07-26T13:13:07.164812894Z
2023-07-26T13:13:07.164838048Z pg_ctl -D /var/lib/postgresql/data -l logfile start
2023-07-26T13:13:07.164864254Z
2023-07-26T13:13:07.251907782Z waiting for server to start....2023-07-26 13:13:07.251 UTC [47] LOG: starting PostgreSQL 13.1 (Debian 13.1-1.pgdg100+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 8.3.0-6) 8.3.0, 64-bit
2023-07-26T13:13:07.264457180Z 2023-07-26 13:13:07.264 UTC [47] LOG: listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432"
2023-07-26T13:13:07.296586629Z 2023-07-26 13:13:07.296 UTC [48] LOG: database system was shut down at 2023-07-26 13:13:06 UTC
2023-07-26T13:13:07.317405943Z 2023-07-26 13:13:07.317 UTC [47] LOG: database system is ready to accept connections
2023-07-26T13:13:07.398384962Z done
2023-07-26T13:13:07.398449773Z server started
2023-07-26T13:13:11.871002918Z CREATE DATABASE
2023-07-26T13:13:11.872417861Z
2023-07-26T13:13:11.872888410Z
2023-07-26T13:13:11.872949537Z /usr/local/bin/docker-entrypoint.sh: ignoring /docker-entrypoint-initdb.d/*
2023-07-26T13:13:11.872971522Z
2023-07-26T13:13:11.875507982Z 2023-07-26 13:13:11.875 UTC [47] LOG: received fast shutdown request
2023-07-26T13:13:11.880923872Z waiting for server to shut down....2023-07-26 13:13:11.880 UTC [47] LOG: aborting any active transactions
2023-07-26T13:13:11.883576006Z 2023-07-26 13:13:11.883 UTC [47] LOG: background worker "logical replication launcher" (PID 54) exited with exit code 1
2023-07-26T13:13:11.883691226Z 2023-07-26 13:13:11.883 UTC [49] LOG: shutting down
2023-07-26T13:13:11.953245241Z 2023-07-26 13:13:11.953 UTC [47] LOG: database system is shut down
2023-07-26T13:13:11.976299545Z done
2023-07-26T13:13:11.976468345Z server stopped
2023-07-26T13:13:11.977008893Z
2023-07-26T13:13:11.977079738Z PostgreSQL init process complete; ready for start up.
2023-07-26T13:13:11.977122294Z
2023-07-26T13:13:12.308507472Z 2023-07-26 13:13:12.308 UTC [1] LOG: starting PostgreSQL 13.1 (Debian 13.1-1.pgdg100+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 8.3.0-6) 8.3.0, 64-bit
2023-07-26T13:13:12.308576879Z 2023-07-26 13:13:12.308 UTC [1] LOG: listening on IPv4 address "0.0.0.0", port 5432
2023-07-26T13:13:12.308590057Z 2023-07-26 13:13:12.308 UTC [1] LOG: listening on IPv6 address "::", port 5432
2023-07-26T13:13:12.552690602Z 2023-07-26 13:13:12.552 UTC [1] LOG: listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432"
2023-07-26T13:13:12.578966960Z 2023-07-26 13:13:12.578 UTC [75] LOG: database system was shut down at 2023-07-26 13:13:11 UTC
2023-07-26T13:13:12.593018979Z 2023-07-26 13:13:12.592 UTC [1] LOG: database system is ready to accept connections
2023-07-26T13:14:26.540463256Z 2023-07-26 13:14:26.540 UTC [212] FATAL: password authentication failed for user "oc_admin"
2023-07-26T13:14:26.540512557Z 2023-07-26 13:14:26.540 UTC [212] DETAIL: Role "oc_admin" does not exist.
2023-07-26T13:14:26.540518361Z Connection matched pg_hba.conf line 99: "host all all all md5"
2023-07-26T13:14:26.547502411Z 2023-07-26 13:14:26.547 UTC [213] FATAL: password authentication failed for user "oc_admin"
2023-07-26T13:14:26.547533802Z 2023-07-26 13:14:26.547 UTC [213] DETAIL: Role "oc_admin" does not exist.
2023-07-26T13:14:26.547539159Z Connection matched pg_hba.conf line 99: "host all all all md5"
2023-07-26T13:14:31.410444169Z 2023-07-26 13:14:31.410 UTC [214] FATAL: password authentication failed for user "oc_admin"
2023-07-26T13:14:31.410553272Z 2023-07-26 13:14:31.410 UTC [214] DETAIL: Role "oc_admin" does not exist.
2023-07-26T13:14:31.410580314Z Connection matched pg_hba.conf line 99: "host all all all md5"
2023-07-26T13:14:31.417423252Z 2023-07-26 13:14:31.417 UTC [215] FATAL: password authentication failed for user "oc_admin"
2023-07-26T13:14:31.417497208Z 2023-07-26 13:14:31.417 UTC [215] DETAIL: Role "oc_admin" does not exist.
2023-07-26T13:14:31.417578694Z Connection matched pg_hba.conf line 99: "host all all all md5"
2023-07-26T13:14:36.398204921Z 2023-07-26 13:14:36.398 UTC [216] FATAL: password authentication failed for user "oc_admin"
2023-07-26T13:14:36.398242064Z 2023-07-26 13:14:36.398 UTC [216] DETAIL: Role "oc_admin" does not exist.
2023-07-26T13:14:36.398260610Z Connection matched pg_hba.conf line 99: "host all all all md5"
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php
$CONFIG = array (
'htaccess.RewriteBase' => '/',
'memcache.local' => '\\OC\\Memcache\\APCu',
'apps_paths' =>
array (
0 =>
array (
'path' => '/var/www/html/apps',
'url' => '/apps',
'writable' => false,
),
1 =>
array (
'path' => '/var/www/html/custom_apps',
'url' => '/custom_apps',
'writable' => true,
),
),
'instanceid' => 'ochzeb2yjwem',
'passwordsalt' => '0i26CGMGnPXL/QeLVHmhLRiD0cZqRY',
'secret' => 'q6Eb7/hAjeJzcxeIK5yhaApJtihHNEvZWVxtqB7mwBcSeG+s',
'trusted_domains' =>
array (
0 => '192.168.0.140:9002'
),
'datadirectory' => '/var/www/html/data',
'dbtype' => 'pgsql',
'version' => '27.0.1.2',
'overwrite.cli.url' => 'http://192.168.0.140:9002',
'dbname' => 'nextcloud',
'dbhost' => 'nextcloud-postgres:5432',
'dbport' => '',
'dbtableprefix' => 'oc_',
'dbuser' => 'oc_admin',
'dbpassword' => 'uPo7Wqo1nJZ0EhgITwlh1h4wfI5saa',
'installed' => true,
'updater.secret' => '$2y$10$JsndYOEAJjcQ3HXXB9MbDOeVbAzdoNebDxj8eywx.cRErIYn..ooW',
'loglevel' => 2,
'maintenance' => false,
);
The output of your Apache/nginx/system log in /var/log/____:
Output errors in nextcloud.log in /var/www/ or as admin user in top right menu, filtering for errors. Use a pastebin service if necessary.
{"reqId":"eqWWPZ1nUscezh5Lk1rB","level":3,"time":"2023-07-26T12:34:08+00:00","remoteAddr":"172.16.0.1","user":"--","app":"remote","method":"GET","url":"/status.php","message":"Configuration was not read or initialized correctly, not overwriting /var/www/html/config/config.php","userAgent":"kube-probe/1.25","version":"","exception":{"Exception":"OCP\\HintException","Message":"Configuration was not read or initialized correctly, not overwriting /var/www/html/config/config.php","Code":0,"Trace":[{"file":"/var/www/html/lib/private/Config.php","line":143,"function":"writeData","class":"OC\\Config","type":"->","args":[]},{"file":"/var/www/html/lib/private/SystemConfig.php","line":145,"function":"setValue","class":"OC\\Config","type":"->","args":["instanceid","ocyv3fjho7dk"]},{"file":"/var/www/html/lib/private/legacy/OC_Util.php","line":889,"function":"setValue","class":"OC\\SystemConfig","type":"->","args":["instanceid","ocyv3fjho7dk"]},{"file":"/var/www/html/lib/base.php","line":444,"function":"getInstanceId","class":"OC_Util","type":"::","args":[]},{"file":"/var/www/html/lib/base.php","line":708,"function":"initSession","class":"OC","type":"::","args":[]},{"file":"/var/www/html/lib/base.php","line":1180,"function":"init","class":"OC","type":"::","args":[]},{"file":"/var/www/html/status.php","line":37,"args":["/var/www/html/lib/base.php"],"function":"require_once"}],"File":"/var/www/html/lib/private/Config.php","Line":266,"Hint":"Configuration was not read or initialized correctly, not overwriting /var/www/html/config/config.php","CustomMessage":"--"}}
{"reqId":"nIS4abf7tKRKSfyytZNz","level":3,"time":"2023-07-26T12:34:13+00:00","remoteAddr":"172.16.0.1","user":"--","app":"remote","method":"GET","url":"/status.php","message":"Configuration was not read or initialized correctly, not overwriting /var/www/html/config/config.php","userAgent":"kube-probe/1.25","version":"","exception":{"Exception":"OCP\\HintException","Message":"Configuration was not read or initialized correctly, not overwriting /var/www/html/config/config.php","Code":0,"Trace":[{"file":"/var/www/html/lib/private/Config.php","line":143,"function":"writeData","class":"OC\\Config","type":"->","args":[]},{"file":"/var/www/html/lib/private/SystemConfig.php","line":145,"function":"setValue","class":"OC\\Config","type":"->","args":["instanceid","ocwgn5trdoog"]},{"file":"/var/www/html/lib/private/legacy/OC_Util.php","line":889,"function":"setValue","class":"OC\\SystemConfig","type":"->","args":["instanceid","ocwgn5trdoog"]},{"file":"/var/www/html/lib/base.php","line":444,"function":"getInstanceId","class":"OC_Util","type":"::","args":[]},{"file":"/var/www/html/lib/base.php","line":708,"function":"initSession","class":"OC","type":"::","args":[]},{"file":"/var/www/html/lib/base.php","line":1180,"function":"init","class":"OC","type":"::","args":[]},{"file":"/var/www/html/status.php","line":37,"args":["/var/www/html/lib/base.php"],"function":"require_once"}],"File":"/var/www/html/lib/private/Config.php","Line":266,"Hint":"Configuration was not read or initialized correctly, not overwriting /var/www/html/config/config.php","CustomMessage":"--"}}
{"reqId":"ojcQOfOuBuevtp7XIdhu","level":3,"time":"2023-07-26T12:34:18+00:00","remoteAddr":"172.16.0.1","user":"--","app":"remote","method":"GET","url":"/status.php","message":"Configuration was not read or initialized correctly, not overwriting /var/www/html/config/config.php","userAgent":"kube-probe/1.25","version":"","exception":{"Exception":"OCP\\HintException","Message":"Configuration was not read or initialized correctly, not overwriting /var/www/html/config/config.php","Code":0,"Trace":[{"file":"/var/www/html/lib/private/Config.php","line":143,"function":"writeData","class":"OC\\Config","type":"->","args":[]},{"file":"/var/www/html/lib/private/SystemConfig.php","line":145,"function":"setValue","class":"OC\\Config","type":"->","args":["instanceid","ociyhz1rcsej"]},{"file":"/var/www/html/lib/private/legacy/OC_Util.php","line":889,"function":"setValue","class":"OC\\SystemConfig","type":"->","args":["instanceid","ociyhz1rcsej"]},{"file":"/var/www/html/lib/base.php","line":444,"function":"getInstanceId","class":"OC_Util","type":"::","args":[]},{"file":"/var/www/html/lib/base.php","line":708,"function":"initSession","class":"OC","type":"::","args":[]},{"file":"/var/www/html/lib/base.php","line":1180,"function":"init","class":"OC","type":"::","args":[]},{"file":"/var/www/html/status.php","line":37,"args":["/var/www/html/lib/base.php"],"function":"require_once"}],"File":"/var/www/html/lib/private/Config.php","Line":266,"Hint":"Configuration was not read or initialized correctly, not overwriting /var/www/html/config/config.php","CustomMessage":"--"}}