Upgrade to 14.0.2 fails with error: UnexpectedValueException: The files of the app "lookup_server_connector" were not correctly replaced before running the update

[cmonty14]

Steps to reproduce

1. Run upgrade with package manager: apk upgrade
2. Run sudo -u occ uprade

Expected behaviour

No errors after upgrade

Actual behaviour

UnexpectedValueException: The files of the app "lookup_server_connector" were not correctly replaced before running the update
{"reqId":"KStkBdpPaapNIWk4XLHJ","level":3,"time":"2018-10-12T14:34:22+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Updater::failure: UnexpectedValueException: The files of the app \"lookup_server_connector\" were not correctly replaced before running the update","userAgent":"--","version":"14.0.1.1"}
Update failed

Server configuration

Operating system:
Alpine Linux 3.8
Web server:
Nginx 1.14.0
Database:
MariaDB 10.3.9
PHP version:
7.2.11
Nextcloud version: (see Nextcloud admin page)
14.0.1
Updated from an older Nextcloud/ownCloud or fresh install:
Fresh install
Where did you install Nextcloud from:
Alpine package manager

Login as admin user into your Nextcloud and access
http://example.com/index.php/settings/integrity/failed
paste the results here.

Nextcloud is in maintenance mode after failed upgrade.

ct114-devcloud:/usr/share/webapps/nextcloud# sudo -u nextcloud php occ app:list
The current PHP memory limit is below the recommended value of 512MB.
Nextcloud or one of the apps require upgrade - only a limited number of commands are available
You may use your browser or the occ upgrade command to do the upgrade
Enabled:
  - accessibility: 1.0.1
  - cloud_federation_api: 0.0.1
  - dav: 1.6.0
  - federatedfilesharing: 1.4.0
  - files: 1.9.0
  - provisioning_api: 1.4.0
  - support: 1.0.0
Disabled:

Nextcloud configuration:

ct114-devcloud:/usr/share/webapps/nextcloud# sudo -u nextcloud php occ config:list system
The current PHP memory limit is below the recommended value of 512MB.
Nextcloud or one of the apps require upgrade - only a limited number of commands are available
You may use your browser or the occ upgrade command to do the upgrade
{
    "system": {
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "logfile": "\/var\/log\/nextcloud\/nextcloud.log",
        "apps_paths": [
            {
                "path": "\/usr\/share\/webapps\/nextcloud\/apps",
                "url": "\/apps",
                "writable": false
            },
            {
                "path": "\/var\/lib\/nextcloud\/apps",
                "url": "\/apps-appstore",
                "writable": true
            }
        ],
        "updatechecker": false,
        "check_for_working_htaccess": false,
        "installed": true,
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "devcloud.whl.biszumbitterenen.lan"
        ],
        "dbtype": "mysql",
        "version": "14.0.1.1",
        "overwrite.cli.url": "https:\/\/devcloud.whl.biszumbitterenen.lan",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpmode": "smtp",
        "mail_smtpauthtype": "LOGIN",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpsecure": "tls",
        "mail_smtpauth": 1,
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "587",
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
        "loglevel": 2,
        "maintenance": true
    }
}

Are you using external storage, if yes which one: local/smb/sftp/...
no
Are you using encryption: yes/no
no
Are you using an external user-backend, if yes which one: LDAP/ActiveDirectory/Webdav/...
no

Nextcloud log (data/nextcloud.log)

Nextcloud log

no relevant entries for the point in time

[nextcloud-bot]

GitMate.io thinks possibly related issues are #8240 (Update to Nextcloud 13.0.0 Fails: UnexpectedValueException: The files of the app "files" were not correctly replaced before running the update), #11751 (14.0.2), #3045 (Update to 10.0.2 fails [Check for expected files]), #6219 (Circle-app has an error when upgrading to 12.0.2), and #11797 (Upgrade from 13.0.7 to 14.0.2 failed).

[cmonty14]

Fixed by manual upgrade.

[jose1711]

i hit the same problem. as part of the investigation i discovered that apk info -L nextcloud-lookup_server_connector is giving me empty output. so i ran apk add nextcloud-lookup_server_connector. this got me a little further (nextcloud-twofactor_backupcodes and nextcloud-workflowengine had to be reinstalled as well) and in the end i got occ upgrade to finish w/o an error