Error while running background job OCA\\Activity\\BackgroundJob\\RemoteActivity

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Steps to reproduce

I don't really know

Actual behaviour

We are spammed with this kind of error log from Activity:

{
  "reqId": "6cCcCb1QGHR5WXKOaiOh",
  "level": 3,
  "time": "2024-10-12T09:40:02+00:00",
  "remoteAddr": "",
  "user": "--",
  "app": "core",
  "method": "",
  "url": "--",
  "message": "Error while running background job OCA\\Activity\\BackgroundJob\\RemoteActivity (id: 171689, arguments: [\"{masked}@{masked}\",\"PQk7SbxN0ZABNWu\",\"\\/{masked}\\/{file}.odt\",\"file_changed\",1728725880,\"{masked}@{masked}\"])",
  "userAgent": "--",
  "version": "29.0.8.1",
  "exception": {
    "Exception": "Error",
    "Message": "Typed property OCP\\BackgroundJob\\Job::$time must not be accessed before initialization",
    "Code": 0,
    "Trace": [
      {
        "file": "/var/www/nextcloud/lib/public/BackgroundJob/QueuedJob.php",
        "line": 61,
        "function": "start",
        "class": "OCP\\BackgroundJob\\Job",
        "type": "->"
      },
      {
        "file": "/var/www/nextcloud/lib/public/BackgroundJob/QueuedJob.php",
        "line": 47,
        "function": "start",
        "class": "OCP\\BackgroundJob\\QueuedJob",
        "type": "->"
      },
      {
        "file": "/var/www/nextcloud/cron.php",
        "line": 177,
        "function": "execute",
        "class": "OCP\\BackgroundJob\\QueuedJob",
        "type": "->"
      }
    ],
    "File": "/var/www/nextcloud/lib/public/BackgroundJob/Job.php",
    "Line": 78,
    "message": "Error while running background job OCA\\Activity\\BackgroundJob\\RemoteActivity (id: 171689, arguments: [\"{masked}@{masked}\",\"PQk7SbxN0ZABNWu\",\"\\/{masked}\\/{file}.odt\",\"file_changed\",1728725880,\"{masked}@{masked}\"])",
    "exception": [],
    "CustomMessage": "Error while running background job OCA\\Activity\\BackgroundJob\\RemoteActivity (id: 171689, arguments: [\"{masked}@{masked}\",\"PQk7SbxN0ZABNWu\",\"\\/{masked}\\/{file}.odt\",\"file_changed\",1728725880,\"{masked}@{masked}\"])"
  },
  "id": "670a441cdd1c8"
}

Server configuration

Web server: Nginx

Database: MariaDB

PHP version: 8.2

Nextcloud version: 29.0.8

List of activated apps

``` - activity: 2.21.1 - bookmarks: 14.2.6 - calendar: 4.7.16 - circles: 29.0.0-dev - cloud_federation_api: 1.12.0 - collectives: 2.14.4 - comments: 1.19.0 - contacts: 6.0.0 - dav: 1.30.1 - deck: 1.13.2 - event_update_notification: 2.4.0 - federatedfilesharing: 1.19.0 - files: 2.1.1 - files_downloadlimit: 2.0.0 - files_external: 1.21.0 - files_pdfviewer: 2.10.0 - files_reminders: 1.2.0 - files_sharing: 1.21.0 - files_trashbin: 1.19.0 - files_versions: 1.22.0 - groupfolders: 17.0.4 - logreader: 2.14.0 - lookup_server_connector: 1.17.0 - music: 2.0.1 - news: 25.0.0-alpha5 - nextcloud_announcements: 1.18.0 - notes: 4.11.0 - notifications: 2.17.0 - notify_push: 0.7.0 - oauth2: 1.17.1 - photos: 2.5.0 - polls: 7.2.4 - previewgenerator: 5.6.0 - privacy: 1.13.0 - provisioning_api: 1.19.0 - related_resources: 1.4.0 - richdocuments: 8.4.7 - serverinfo: 1.19.0 - settings: 1.12.0 - sharebymail: 1.19.0 - tables: 0.8.1 - tasks: 0.16.1 - text: 3.10.1 - theming: 2.4.0 - theming_customcss: 1.17.0 - twofactor_backupcodes: 1.18.0 - updatenotification: 1.19.1 - user_oidc: 6.0.1 - viewer: 2.3.0 - workflowengine: 2.11.0 ```

Nextcloud configuration

``` { "system": { "passwordsalt": "***REMOVED SENSITIVE VALUE***", "secret": "***REMOVED SENSITIVE VALUE***", "trusted_domains": [ "brume.felinn.org" ], "datadirectory": "***REMOVED SENSITIVE VALUE***", "dbtype": "mysql", "version": "29.0.8.1", "overwrite.cli.url": "https:\/\/brume.felinn.org", "dbname": "***REMOVED SENSITIVE VALUE***", "dbhost": "***REMOVED SENSITIVE VALUE***", "dbport": "", "dbtableprefix": "oc_", "default_language": "fr", "default_locale": "fr_FR", "default_phone_region": "FR", "mysql.utf8mb4": true, "dbuser": "***REMOVED SENSITIVE VALUE***", "dbpassword": "***REMOVED SENSITIVE VALUE***", "installed": true, "trusted_proxies": "***REMOVED SENSITIVE VALUE***", "forwarded_for_headers": [ "HTTP_X_FORWARDED", "HTTP_FORWARDED_FOR", "HTTP_X_FORWARDED_FOR" ], "memcache.local": "\\OC\\Memcache\\APCu", "memcache.distributed": "\\OC\\Memcache\\Redis", "redis": { "host": "***REMOVED SENSITIVE VALUE***", "port": 6379, "password": "***REMOVED SENSITIVE VALUE***" }, "memcache.locking": "\\OC\\Memcache\\Redis", "instanceid": "***REMOVED SENSITIVE VALUE***", "maintenance_window_start": 1, "mail_from_address": "***REMOVED SENSITIVE VALUE***", "mail_smtpmode": "smtp", "mail_sendmailmode": "smtp", "mail_domain": "***REMOVED SENSITIVE VALUE***", "mail_smtphost": "***REMOVED SENSITIVE VALUE***", "mail_smtpport": "25", "skeletondirectory": "\/etc\/nextcloud\/skeleton", "auth.webauthn.enabled": false, "preview_max_x": "1024", "preview_max_y": "1024", "jpeg_quality": "60", "blacklisted_files": [ ".DS_Store" ], "theme": "default", "loglevel": 2, "updater.release.channel": "stable", "activity_use_cached_mountpoints": true, "app_install_overwrite": [ "groupfolders", "files_lock", "news" ], "maintenance": false } } ```

nextcloud / activity