Since update to 27.1.0 i get log errors "OC\User\NoUserException: Backends provided no user object"

ernolf · September 17, 2023, 2:23pm

Meanwhile there is an issue:

Logs filled with cron errors "Backends provided no user object"

opened 12:50PM - 17 Sep 23 UTC

bug 0. Needs triage

### Steps to reproduce 1. Error appears in the log with cron jobs, or when usin…g `docker run (...) occ groupfolders:expire -v` ### Expected behaviour I don't know, it should expire all versions in folders ? ### Actual behaviour ``` In Root.php line 364: [OC\User\NoUserException] Backends provided no user object ``` ### Server configuration **Operating system:** Debian 12 / Docker 24 **Web server:** Nginx reverse proxy **Nextcloud version:** 27.1 **Group folders version:** 15.3 **Updated from an older Nextcloud/ownCloud or fresh install:** Updated from 27.0 **Where did you install Nextcloud from:** Nextcloud AIO **Are you using external storage, if yes which one:** local/s3/smb/sftp/... No **Are you using encryption:** yes/no No **Are you using an external user-backend, if yes which one:** LDAP/ActiveDirectory/Webdav/Saml/... No ### Logs (docker run) ``` Exception trace: at /var/www/html/lib/private/Files/Node/Root.php:364 OC\Files\Node\Root->getUserFolder() at n/a:n/a call_user_func_array() at /var/www/html/lib/private/Files/Node/LazyFolder.php:74 OC\Files\Node\LazyFolder->__call() at /var/www/html/lib/private/Files/Node/LazyRoot.php:40 OC\Files\Node\LazyRoot->getUserFolder() at /var/www/html/custom_apps/groupfolders/lib/Versions/VersionsBackend.php:73 OCA\GroupFolders\Versions\VersionsBackend->getVersionsForFile() at /var/www/html/custom_apps/groupfolders/lib/Versions/GroupVersionsExpireManager.php:72 OCA\GroupFolders\Versions\GroupVersionsExpireManager->expireFolder() at /var/www/html/custom_apps/groupfolders/lib/Versions/GroupVersionsExpireManager.php:59 OCA\GroupFolders\Versions\GroupVersionsExpireManager->expireAll() at /var/www/html/custom_apps/groupfolders/lib/Command/ExpireGroup/ExpireGroupVersions.php:66 OCA\GroupFolders\Command\ExpireGroup\ExpireGroupVersions->execute() at /var/www/html/custom_apps/groupfolders/lib/Command/ExpireGroup/ExpireGroupVersionsTrash.php:54 OCA\GroupFolders\Command\ExpireGroup\ExpireGroupVersionsTrash->execute() at /var/www/html/3rdparty/symfony/console/Command/Command.php:298 Symfony\Component\Console\Command\Command->run() at /var/www/html/core/Command/Base.php:177 OC\Core\Command\Base->run() at /var/www/html/3rdparty/symfony/console/Application.php:1040 Symfony\Component\Console\Application->doRunCommand() at /var/www/html/3rdparty/symfony/console/Application.php:301 Symfony\Component\Console\Application->doRun() at /var/www/html/3rdparty/symfony/console/Application.php:171 Symfony\Component\Console\Application->run() at /var/www/html/lib/private/Console/Application.php:211 OC\Console\Application->run() at /var/www/html/console.php:100 require_once() at /var/www/html/occ:11 ``` ### Logs (cron errors in nextcloud admin panel) ``` Error core OC\User\NoUserException: Backends provided no user object <<closure>> OC\Files\Node\Root->getUserFolder("") /var/www/html/lib/private/Files/Node/LazyFolder.php - line 74: call_user_func_array([ [ "OC\\Fil ... "], [ ""]) /var/www/html/lib/private/Files/Node/LazyRoot.php - line 40: OC\Files\Node\LazyFolder->__call("getUserFolder", [ ""]) /var/www/html/custom_apps/groupfolders/lib/Versions/VersionsBackend.php - line 73: OC\Files\Node\LazyRoot->getUserFolder("") /var/www/html/custom_apps/groupfolders/lib/Versions/GroupVersionsExpireManager.php - line 72: OCA\GroupFolders\Versions\VersionsBackend->getVersionsForFile([ "OC\\User\\User"], [ "OC\\Files\\FileInfo"]) /var/www/html/custom_apps/groupfolders/lib/Versions/GroupVersionsExpireManager.php - line 59: OCA\GroupFolders\Versions\GroupVersionsExpireManager->expireFolder([ 2,"LaTeleS ... "]) /var/www/html/custom_apps/groupfolders/lib/BackgroundJob/ExpireGroupVersions.php - line 43: OCA\GroupFolders\Versions\GroupVersionsExpireManager->expireAll() /var/www/html/lib/public/BackgroundJob/Job.php - line 81: OCA\GroupFolders\BackgroundJob\ExpireGroupVersions->run(null) /var/www/html/lib/public/BackgroundJob/TimedJob.php - line 103: OCP\BackgroundJob\Job->start([ "OC\\BackgroundJob\\JobList"]) /var/www/html/lib/public/BackgroundJob/TimedJob.php - line 93: OCP\BackgroundJob\TimedJob->start([ "OC\\BackgroundJob\\JobList"]) /var/www/html/cron.php - line 152: OCP\BackgroundJob\TimedJob->execute([ "OC\\BackgroundJob\\JobList"], [ "OC\\Log"]) ``` It seems the error is due to [this line](https://github.com/nextcloud/groupfolders/blob/c5d35231ec12d8a217a50d7728681011184bb1bd/lib/Versions/GroupVersionsExpireManager.php#L72) where `getVersionsForFile` is called with a dummy user, which doesn't seems implemented (yet ?) since `getVersionsForFile` is clearly requiring a real user, because it will call `$user->getUID()` which will return NULL and then cause the exception with `OC\Files\Node\Root->getUserFolder("")` I couldn't find existing issues, but may be this is something already fixed in master / targeting nextcloud 28 ? Will it disappear when AIO will switch to NC 28 ?