Nextcloud errors: "Exception dirty table reads", "503 Service unavailable" and "ConnectionRefusedException"

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I am facing several errors in my logging and having those problems especially when uploading a bigger amount of files, but it seems, is has nothing to do with the file size:

  • Exception dirty table reads
  • ServiceUnavailable Doctrine\DBAL\Exception\ConnectionLost: An exception occurred while executing a query: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away
  • ConnectionRefusedException Error while getting file info
  • RedisException Connection lost
  • GenericFileException Exception thrown: OCP\Files\GenericFileException
    Nextcloud Hub 8 (29.0.7)
    **NextcloudPi [v1.55.2] on Rasperry Pi 4 4GB
    **OS: Armbian-unofficial 24.8.2 Bookworm \l . 6.6.45-current-bcm2711 (aarch64)
    **PHP version: 8.3

config.php :

<?php
$CONFIG = array (
  'passwordsalt' => '2L4jjM6/I08anMhrZE7k+NmvBvCJd2',
  'secret' => '+hWBRmA6cupuNJOo0uWOdrquYzv2E17cfyiJ09Bl9TgqvPeg',
  'trusted_domains' =>
  array (
    0 => 'localhost',
    7 => 'nextcloudpi',
    5 => 'nextcloudpi.local',
    8 => 'nextcloudpi.lan',
    3 => 'rollstuhl-aktiv.dnsaddr.com',
    11 => '178.251.71.119',
    1 => '192.168.1.160',
    14 => 'nextcloudpi',
    20 => 'neibeck.ddns.net',
    21 => 'rollstuhl-aktiv.dnsaddr.com',
  ),
  'datadirectory' => '/opt/ncdata/data',
  'dbtype' => 'mysql',
  'version' => '29.0.7.1',
  'overwrite.cli.url' => 'https://rollstuhl-aktiv.dnsaddr.com/',
  'dbname' => 'nextcloud',
  'dbhost' => 'localhost',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'mysql.utf8mb4' => true,
  'dbuser' => 'ncadmin',
  'dbpassword' => 'KvD5yK8/wgTxU7TlssAFdKSeAdRQP5oKe5C0dYIJ8u4=',
  'installed' => true,
  'instanceid' => 'ocgqsin5vq4o',
  'memcache.local' => '\\OC\\Memcache\\Redis',
  'memcache.locking' => '\\OC\\Memcache\\Redis',
  'redis' =>
  array (
    'host' => '/var/run/redis/redis.sock',
    'port' => 0,
    'timeout' => 0.0,
    'password' => 'rag6DkAaSC10G4Nih72yzHoNDmBJwLJNZigB3WEc+Ic=',
  ),
  'tempdirectory' => '/opt/ncdata/data/tmp',
  'mail_smtpmode' => 'sendmail',
  'mail_smtpauthtype' => 'LOGIN',
  'mail_from_address' => 'noreply',
  'mail_domain' => 'nextcloudpi.com',
  'preview_max_x' => '2048',
  'preview_max_y' => '2048',
  'jpeg_quality' => '60',
  'overwriteprotocol' => 'https',
  'maintenance' => false,
  'logfile' => '/opt/ncdata/data/nextcloud.log',
  'trusted_proxies' =>
  array (
    11 => '127.0.0.1',
    12 => '::1',
    14 => '178.251.71.119',
  ),
  'loglevel' => 0,
  'log_type' => 'file',
  'theme' => '',
  'app_install_overwrite' =>
  array (
    0 => 'occweb',
  ),
);

examples of errors in nextcloud.log:

{"reqId":" ","level":3,"time":" ","remoteAddr":"","user":"--","app":"cron","method":"","url":"--","message":"unknown config key","userAgent":"--","version":"29.0.4.1","exception":{"Exception":"OCP\\Exceptions\\AppConfigUnknownKeyException","Message":"unknown config key","Code":0,"Trace":[{"file":"/var/www/nextcloud/lib/private/AppConfig.php","line":831,"function":"isLazy","class":"OC\\AppConfig","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppConfig.php","line":623,"function":"setTypedValue","class":"OC\\AppConfig","type":"->"},{"file":"/var/www/nextcloud/cron.php","line":239,"function":"setValueInt","class":"OC\\AppConfig","type":"->"}],"File":"/var/www/nextcloud/lib/private/AppConfig.php","Line":203,"message":"unknown config key","exception":{},"CustomMessage":"unknown config key"}}
{"reqId":" ","level":2,"time":" ","remoteAddr":"178.251.71.119","user":"--","app":"core","method":"GET","url":"/index.php/204","message":"Login failed: 'ncp' (Remote IP: '178.251.71.119')","userAgent":"Mozilla/5.0 (Windows) mirall/3.14.13.14-Win64 (build 20240927) (Nextcloud, windows-10.0.19044 ClientArchitecture: x86_64 OsArchitecture: x86_64)","version":"29.0.4.1","data":{"app":"core"}}
{"reqId":" ","level":2,"time":" ","remoteAddr":"178.251.71.119","user":"--","app":"no app in context","method":"POST","url":"/index.php/login","message":"Login failed: RA (Remote IP: 178.251.71.119)","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0","version":"29.0.7.1","data":[]}
{"reqId":" ","level":3,"time":" ","remoteAddr":"fe80::dc9:6475:f3d0:222b%end0","user":"RA","app":"no app in context","method":"GET","url":"/index.php/apps/files_external/userglobalstorages/1?testOnly=true","message":"Error while getting file info","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0","version":"29.0.7.1","exception":{"Exception":"Icewind\\SMB\\Exception\\ConnectionRefusedException","Message":"","Code":0,"Trace":[{"file":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php","line":114,"function":"clearTillPrompt","class":"Icewind\\SMB\\Wrapped\\Connection","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php","line":128,"function":"getConnection","class":"Icewind\\SMB\\Wrapped\\Share","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php","line":457,"function":"connect","class":"Icewind\\SMB\\Wrapped\\Share","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php","line":207,"function":"execute","class":"Icewind\\SMB\\Wrapped\\Share","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/Lib/Storage/SMB.php","line":201,"function":"stat","class":"Icewind\\SMB\\Wrapped\\Share","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/Lib/Storage/SMB.php","line":368,"function":"getFileInfo","class":"OCA\\Files_External\\Lib\\Storage\\SMB","type":"->"},{"file":"/var/www/nextcloud/lib/private/Files/Storage/Common.php","line":470,"function":"stat","class":"OCA\\Files_External\\Lib\\Storage\\SMB","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/Lib/Storage/SMB.php","line":760,"function":"test","class":"OC\\Files\\Storage\\Common","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/MountConfig.php","line":131,"function":"test","class":"OCA\\Files_External\\Lib\\Storage\\SMB","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/Controller/StoragesController.php","line":245,"function":"getBackendStatus","class":"OCA\\Files_External\\MountConfig","type":"::","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/apps/files_external/lib/Controller/UserGlobalStoragesController.php","line":127,"function":"updateStorageStatus","class":"OCA\\Files_External\\Controller\\StoragesController","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":232,"function":"show","class":"OCA\\Files_External\\Controller\\UserGlobalStoragesController","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":138,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/App.php","line":184,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/var/www/nextcloud/lib/private/Route/Router.php","line":331,"function":"main","class":"OC\\AppFramework\\App","type":"::"},{"file":"/var/www/nextcloud/lib/base.php","line":1058,"function":"match","class":"OC\\Route\\Router","type":"->"},{"file":"/var/www/nextcloud/index.php","line":49,"function":"handleRequest","class":"OC","type":"::"}],"File":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Connection.php","Line":57,"message":"Error while getting file info","exception":{},"CustomMessage":"Error while getting file info"}}
{"reqId":" ","level":2,"time":" ","remoteAddr":"fe80::dc9:6475:f3d0:222b%end0","user":"--","app":"no app in context","method":"POST","url":"/index.php/login","message":"Login failed: RAR (Remote IP: fe80::dc9:6475:f3d0:222b%end0)","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0","version":"29.0.7.1","data":[]}
{"reqId":" ","level":3,"time":" ","remoteAddr":"192.168.1.30","user":"RAR","app":"no app in context","method":"GET","url":"/index.php/apps/files_external/userglobalstorages/1?testOnly=true","message":"Error while getting file info","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0","version":"29.0.7.1","exception":{"Exception":"Icewind\\SMB\\Exception\\ConnectionRefusedException","Message":"","Code":0,"Trace":[{"file":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php","line":114,"function":"clearTillPrompt","class":"Icewind\\SMB\\Wrapped\\Connection","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php","line":128,"function":"getConnection","class":"Icewind\\SMB\\Wrapped\\Share","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php","line":457,"function":"connect","class":"Icewind\\SMB\\Wrapped\\Share","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php","line":207,"function":"execute","class":"Icewind\\SMB\\Wrapped\\Share","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/Lib/Storage/SMB.php","line":201,"function":"stat","class":"Icewind\\SMB\\Wrapped\\Share","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/Lib/Storage/SMB.php","line":368,"function":"getFileInfo","class":"OCA\\Files_External\\Lib\\Storage\\SMB","type":"->"},{"file":"/var/www/nextcloud/lib/private/Files/Storage/Common.php","line":470,"function":"stat","class":"OCA\\Files_External\\Lib\\Storage\\SMB","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/Lib/Storage/SMB.php","line":760,"function":"test","class":"OC\\Files\\Storage\\Common","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/MountConfig.php","line":131,"function":"test","class":"OCA\\Files_External\\Lib\\Storage\\SMB","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/Controller/StoragesController.php","line":245,"function":"getBackendStatus","class":"OCA\\Files_External\\MountConfig","type":"::","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/apps/files_external/lib/Controller/UserGlobalStoragesController.php","line":127,"function":"updateStorageStatus","class":"OCA\\Files_External\\Controller\\StoragesController","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":232,"function":"show","class":"OCA\\Files_External\\Controller\\UserGlobalStoragesController","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":138,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/App.php","line":184,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/var/www/nextcloud/lib/private/Route/Router.php","line":331,"function":"main","class":"OC\\AppFramework\\App","type":"::"},{"file":"/var/www/nextcloud/lib/base.php","line":1058,"function":"match","class":"OC\\Route\\Router","type":"->"},{"file":"/var/www/nextcloud/index.php","line":49,"function":"handleRequest","class":"OC","type":"::"}],"File":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Connection.php","Line":57,"message":"Error while getting file info","exception":{},"CustomMessage":"Error while getting file info"}}
{"reqId":" ","level":3,"time":" ","remoteAddr":"fe80::dc9:6475:f3d0:222b%end0","user":"ncp","app":"no app in context","method":"GET","url":"/index.php/apps/files_external/globalstorages/1?testOnly=true","message":"Error while getting file info","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0","version":"29.0.7.1","exception":{"Exception":"Icewind\\SMB\\Exception\\ConnectionRefusedException","Message":"","Code":0,"Trace":[{"file":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php","line":114,"function":"clearTillPrompt","class":"Icewind\\SMB\\Wrapped\\Connection","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php","line":128,"function":"getConnection","class":"Icewind\\SMB\\Wrapped\\Share","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php","line":457,"function":"connect","class":"Icewind\\SMB\\Wrapped\\Share","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php","line":207,"function":"execute","class":"Icewind\\SMB\\Wrapped\\Share","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/Lib/Storage/SMB.php","line":201,"function":"stat","class":"Icewind\\SMB\\Wrapped\\Share","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/Lib/Storage/SMB.php","line":368,"function":"getFileInfo","class":"OCA\\Files_External\\Lib\\Storage\\SMB","type":"->"},{"file":"/var/www/nextcloud/lib/private/Files/Storage/Common.php","line":470,"function":"stat","class":"OCA\\Files_External\\Lib\\Storage\\SMB","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/Lib/Storage/SMB.php","line":760,"function":"test","class":"OC\\Files\\Storage\\Common","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/MountConfig.php","line":131,"function":"test","class":"OCA\\Files_External\\Lib\\Storage\\SMB","type":"->"},{"file":"/var/www/nextcloud/apps/files_external/lib/Controller/StoragesController.php","line":245,"function":"getBackendStatus","class":"OCA\\Files_External\\MountConfig","type":"::","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/apps/files_external/lib/Controller/StoragesController.php","line":298,"function":"updateStorageStatus","class":"OCA\\Files_External\\Controller\\StoragesController","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":232,"function":"show","class":"OCA\\Files_External\\Controller\\StoragesController","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":138,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/App.php","line":184,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/var/www/nextcloud/lib/private/Route/Router.php","line":331,"function":"main","class":"OC\\AppFramework\\App","type":"::"},{"file":"/var/www/nextcloud/lib/base.php","line":1058,"function":"match","class":"OC\\Route\\Router","type":"->"},{"file":"/var/www/nextcloud/index.php","line":49,"function":"handleRequest","class":"OC","type":"::"}],"File":"/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Connection.php","Line":57,"message":"Error while getting file info","exception":{},"CustomMessage":"Error while getting file info"}}
{"reqId":" ","level":3,"time":" ","remoteAddr":"178.251.71.119","user":"ncp","app":"no app in context","method":"POST","url":"/remote.php/dav/bulk","message":"Exception thrown: OCP\\AppFramework\\Db\\DoesNotExistException","userAgent":"Mozilla/5.0 (Windows) mirall/3.14.13.14-Win64 (build 20240927) (Nextcloud, windows-10.0.19044 ClientArchitecture: x86_64 OsArchitecture: x86_64)","version":"29.0.7.1","exception":{"Exception":"OCP\\AppFramework\\Db\\DoesNotExistException","Message":"Did expect one result but found none when executing: query \"SELECT * FROM `*PREFIX*files_versions` WHERE (`file_id` = :dcValue1) AND (`timestamp` = :dcValue2)\"; ","Code":0,"Trace":[{"file":"/var/www/nextcloud/lib/public/AppFramework/Db/QBMapper.php","line":361,"function":"findOneQuery","class":"OCP\\AppFramework\\Db\\QBMapper","type":"->"},{"file":"/var/www/nextcloud/apps/files_versions/lib/Db/VersionsMapper.php","line":77,"function":"findEntity","class":"OCP\\AppFramework\\Db\\QBMapper","type":"->"},{"file":"/var/www/nextcloud/apps/files_versions/lib/Versions/LegacyVersionsBackend.php","line":305,"function":"findVersionForFileId","class":"OCA\\Files_Versions\\Db\\VersionsMapper","type":"->"},{"file":"/var/www/nextcloud/apps/files_versions/lib/Versions/VersionManager.php","line":160,"function":"setMetadataValue","class":"OCA\\Files_Versions\\Versions\\LegacyVersionsBackend","type":"->"},{"file":"/var/www/nextcloud/apps/files_versions/lib/Listener/VersionAuthorListener.php","line":65,"function":"setMetadataValue","class":"OCA\\Files_Versions\\Versions\\VersionManager","type":"->"},{"file":"/var/www/nextcloud/apps/files_versions/lib/Listener/VersionAuthorListener.php","line":48,"function":"post_write_hook","class":"OCA\\Files_Versions\\Listener\\VersionAuthorListener","type":"->"},{"file":"/var/www/nextcloud/lib/private/EventDispatcher/ServiceEventListener.php","line":86,"function":"handle","class":"OCA\\Files_Versions\\Listener\\VersionAuthorListener","type":"->"},{"file":"/var/www/nextcloud/3rdparty/symfony/event-dispatcher/EventDispatcher.php","line":230,"function":"__invoke","class":"OC\\EventDispatcher\\ServiceEventListener","type":"->"},{"file":"/var/www/nextcloud/3rdparty/symfony/event-dispatcher/EventDispatcher.php","line":59,"function":"callListeners","class":"Symfony\\Component\\EventDispatcher\\EventDispatcher","type":"->"},{"file":"/var/www/nextcloud/lib/private/EventDispatcher/EventDispatcher.php","line":86,"function":"dispatch","class":"Symfony\\Component\\EventDispatcher\\EventDispatcher","type":"->"},{"file":"/var/www/nextcloud/lib/private/EventDispatcher/EventDispatcher.php","line":98,"function":"dispatch","class":"OC\\EventDispatcher\\EventDispatcher","type":"->"},{"file":"/var/www/nextcloud/lib/private/Files/Node/HookConnector.php","line":102,"function":"dispatchTyped","class":"OC\\EventDispatcher\\EventDispatcher","type":"->"},{"file":"/var/www/nextcloud/lib/private/legacy/OC_Hook.php","line":105,"function":"postWrite","class":"OC\\Files\\Node\\HookConnector","type":"->"},{"file":"/var/www/nextcloud/lib/private/Files/View.php","line":1282,"function":"emit","class":"OC_Hook","type":"::"},{"file":"/var/www/nextcloud/lib/private/Files/View.php","line":1214,"function":"runHooks","class":"OC\\Files\\View","type":"->"},{"file":"/var/www/nextcloud/lib/private/Files/View.php","line":683,"function":"basicOperation","class":"OC\\Files\\View","type":"->"},{"file":"/var/www/nextcloud/lib/private/Files/Node/Folder.php","line":192,"function":"file_put_contents","class":"OC\\Files\\View","type":"->"},{"function":"newFile","class":"OC\\Files\\Node\\Folder","type":"->"},{"file":"/var/www/nextcloud/lib/private/Files/Node/LazyFolder.php","line":84,"function":"call_user_func_array"},{"file":"/var/www/nextcloud/lib/private/Files/Node/LazyFolder.php","line":463,"function":"__call","class":"OC\\Files\\Node\\LazyFolder","type":"->"},{"file":"/var/www/nextcloud/apps/dav/lib/BulkUpload/BulkUploadPlugin.php","line":92,"function":"newFile","class":"OC\\Files\\Node\\LazyFolder","type":"->"},{"file":"/var/www/nextcloud/3rdparty/sabre/event/lib/WildcardEmitterTrait.php","line":89,"function":"httpPost","class":"OCA\\DAV\\BulkUpload\\BulkUploadPlugin","type":"->"},{"file":"/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php","line":472,"function":"emit","class":"Sabre\\DAV\\Server","type":"->"},{"file":"/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php","line":253,"function":"invokeMethod","class":"Sabre\\DAV\\Server","type":"->"},{"file":"/var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php","line":321,"function":"start","class":"Sabre\\DAV\\Server","type":"->"},{"file":"/var/www/nextcloud/apps/dav/lib/Server.php","line":383,"function":"exec","class":"Sabre\\DAV\\Server","type":"->"},{"file":"/var/www/nextcloud/apps/dav/appinfo/v2/remote.php","line":35,"function":"exec","class":"OCA\\DAV\\Server","type":"->"},{"file":"/var/www/nextcloud/remote.php","line":172,"args":["/var/www/nextcloud/apps/dav/appinfo/v2/remote.php"],"function":"require_once"}],"File":"/var/www/nextcloud/lib/public/AppFramework/Db/QBMapper.php","Line":283,"CustomMessage":"Exception thrown: OCP\\AppFramework\\Db\\DoesNotExistException"}}
{"reqId":" ","level":2,"time":" ","remoteAddr":"","user":"--","app":"files","method":"","url":"--","message":"User RA still has unscanned files after running background scan, background scan might be stopped prematurely","userAgent":"--","version":"29.0.7.1","data":{"app":"files"}}
{"reqId":" ","level":4,"time":" ","remoteAddr":"","user":"--","app":"dashboard","method":"","url":"--","message":"Error during app loading: Connection lost","userAgent":"--","version":"29.0.7.1","exception":{"Exception":"RedisException","Message":"Connection lost","Code":0,"Trace":[{"file":"/var/www/nextcloud/lib/private/Memcache/Redis.php","line":79,"function":"get","class":"Redis","type":"->"},{"file":"/var/www/nextcloud/lib/autoloader.php","line":154,"function":"get","class":"OC\\Memcache\\Redis","type":"->"},{"function":"load","class":"OC\\Autoloader","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/Bootstrap/Coordinator.php","line":217,"function":"class_exists"},{"file":"/var/www/nextcloud/lib/private/App/AppManager.php","line":400,"function":"isBootable","class":"OC\\AppFramework\\Bootstrap\\Coordinator","type":"->"},{"file":"/var/www/nextcloud/lib/private/App/AppManager.php","line":216,"function":"loadApp","class":"OC\\App\\AppManager","type":"->"},{"file":"/var/www/nextcloud/lib/private/legacy/OC_App.php","line":128,"function":"loadApps","class":"OC\\App\\AppManager","type":"->"},{"file":"/var/www/nextcloud/lib/private/Console/Application.php","line":114,"function":"loadApps","class":"OC_App","type":"::"},{"file":"/var/www/nextcloud/console.php","line":101,"function":"loadCommands","class":"OC\\Console\\Application","type":"->"},{"file":"/var/www/nextcloud/occ","line":11,"args":["/var/www/nextcloud/console.php"],"function":"require_once"}],"File":"/var/www/nextcloud/lib/private/Memcache/Redis.php","Line":79,"message":"Error during app loading: Connection lost","exception":{},"CustomMessage":"Error during app loading: Connection lost"}}
{"reqId":" ","level":4,"time":" ","remoteAddr":"","user":"--","app":"no app in context","method":"","url":"--","message":"Could not boot notify_push: No such file or directory","userAgent":"--","version":"29.0.7.1","exception":{"Exception":"RedisException","Message":"No such file or directory","Code":0,"Trace":[{"file":"/var/www/nextcloud/lib/private/RedisFactory.php","line":123,"function":"pconnect","class":"Redis","type":"->"},{"file":"/var/www/nextcloud/lib/private/RedisFactory.php","line":167,"function":"create","class":"OC\\RedisFactory","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/apps/notify_push/lib/AppInfo/Application.php","line":47,"function":"getInstance","class":"OC\\RedisFactory","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php","line":175,"function":"OCA\\NotifyPush\\AppInfo\\{closure}","class":"OCA\\NotifyPush\\AppInfo\\Application","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/3rdparty/pimple/pimple/src/Pimple/Container.php","line":122,"function":"OC\\AppFramework\\Utility\\{closure}","class":"OC\\AppFramework\\Utility\\SimpleContainer","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php","line":142,"function":"offsetGet","class":"Pimple\\Container","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/DependencyInjection/DIContainer.php","line":465,"function":"query","class":"OC\\AppFramework\\Utility\\SimpleContainer","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/DependencyInjection/DIContainer.php","line":443,"function":"queryNoFallback","class":"OC\\AppFramework\\DependencyInjection\\DIContainer","type":"->"},{"file":"/var/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php","line":96,"function":"query","class":"OC\\AppFramework\\DependencyInjection\\DIContainer","type":"->"},{"function":"OC\\AppFramework\\Utility\\{closure}","class":"OC\\AppFramework\\Utility\\SimpleContainer","type":"->","args":["*** sensitive parameters replaced 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{"reqId":" ","level":3,"time":" ","remoteAddr":"178.251.71.119","user":"ncp","app":"no app in context","method":"POST","url":"/remote.php/dav/bulk","message":"Computed md5 hash is incorrect.","userAgent":"Mozilla/5.0 (Windows) mirall/3.14.13.14-Win64 (build 20240927) (Nextcloud, windows-10.0.19044 ClientArchitecture: x86_64 OsArchitecture: x86_64)","version":"29.0.7.1","data":[]}
{"reqId":" ","level":0,"time":" ","remoteAddr":"","user":"--","app":"PHP","method":"","url":"--","message":"Using ${var} in strings is deprecated, use {$var} instead at /var/www/ncp-previewgenerator/ncp-previewgenerator-nc21/lib/Command/Generate.php#252","userAgent":"--","version":"29.0.7.1","data":{"app":"PHP"}}
{"reqId":" ","level":0,"time":" ","remoteAddr":"","user":"--","app":"cron","method":"","url":"--","message":"CLI cron call has selected job OCA\\FilesReminders\\BackgroundJob\\CleanUpReminders (id: 2, arguments: null)","userAgent":"--","version":"29.0.7.1","data":{"app":"cron"}}
{"reqId":" ","level":0,"time":" ","remoteAddr":"","user":"--","app":"no app in context","method":"","url":"--","message":"dirty table reads: SELECT * FROM `*PREFIX*jobs` WHERE (`reserved_at` <= :dcValue1) AND (`last_checked` <= :dcValue2) ORDER BY `last_checked` ASC LIMIT 1","userAgent":"--","version":"29.0.7.1","exception":{"Exception":"Exception","Message":"dirty table reads: SELECT * FROM `*PREFIX*jobs` WHERE (`reserved_at` <= :dcValue1) AND (`last_checked` <= :dcValue2) ORDER BY `last_checked` ASC LIMIT 1","Code":0,"Trace":[{"file":"/var/www/nextcloud/3rdparty/doctrine/dbal/src/Query/QueryBuilder.php","line":344,"function":"executeQuery","class":"OC\\DB\\Connection","type":"->"},{"file":"/var/www/nextcloud/3rdparty/doctrine/dbal/src/Query/QueryBuilder.php","line":384,"function":"executeQuery","class":"Doctrine\\DBAL\\Query\\QueryBuilder","type":"->"},{"file":"/var/www/nextcloud/lib/private/DB/QueryBuilder/QueryBuilder.php","line":280,"function":"execute","class":"Doctrine\\DBAL\\Query\\QueryBuilder","type":"->"},{"file":"/var/www/nextcloud/lib/private/DB/QueryBuilder/QueryBuilder.php","line":293,"function":"execute","class":"OC\\DB\\QueryBuilder\\QueryBuilder","type":"->"},{"file":"/var/www/nextcloud/lib/private/BackgroundJob/JobList.php","line":208,"function":"executeQuery","class":"OC\\DB\\QueryBuilder\\QueryBuilder","type":"->"},{"file":"/var/www/nextcloud/cron.php","line":163,"function":"getNext","class":"OC\\BackgroundJob\\JobList","type":"->"}],"File":"/var/www/nextcloud/lib/private/DB/Connection.php","Line":320,"message":"dirty table reads: SELECT * FROM `*PREFIX*jobs` WHERE (`reserved_at` <= :dcValue1) AND (`last_checked` <= :dcValue2) ORDER BY `last_checked` ASC LIMIT 1","tables":["oc_appconfig","oc_jobs"],"reads":["oc_jobs"],"exception":{},"CustomMessage":"dirty table reads: SELECT * FROM `*PREFIX*jobs` WHERE (`reserved_at` <= :dcValue1) AND (`last_checked` <= :dcValue2) ORDER BY `last_checked` ASC LIMIT 1"}}
{"reqId":" ","level":0,"time":" ","remoteAddr":"","user":"--","app":"cron","method":"","url":"--","message":"CLI cron call has selected job OCA\\FilesReminders\\BackgroundJob\\ScheduledNotifications (id: 3, arguments: null)","userAgent":"--","version":"29.0.7.1","data":{"app":"cron"}}
{"reqId":" ","level":0,"time":" ","remoteAddr":"","user":"--","app":"cron","method":"","url":"--","message":"Starting job OCA\\FilesReminders\\BackgroundJob\\ScheduledNotifications (id: 3, arguments: null)","userAgent":"--","version":"29.0.7.1","data":{"app":"cron"}}

and so on…

2

You appear to have a problem with either your Redis server or your Redis configuration.

You also have or had maybe an issue with one of your SMB based External Storage mounts.

The dirty table reads are because of have debug logging on:

  'loglevel' => 0,

(Well it’s why you’re seeing those entries at least).

3

Please review the logfile. You have lines in there that state $var is deprecated. Is your PHP Version still fulfilling the requirements?

Also, please update with new salt and password as your system should now be considered compromised. (You’ve exposed your server passwords)

4

aaa, i forgot to remove them :see_no_evil:

But anyway, this was a readymade image of NextcloudPi, so I expected it, to work properly. And I am pretty new to Nextcloud and also not experienced in Linux, Debian or similar.

So do you have any detailed tips for me?

5

That’s is more a dev message coming up because the log level is set to 0. Though looking closer, that code hasn’t existed for >1 year so it sounds like the OP also has outdated apps installed. The current version of the previewgenerator app for v29 is 5.6.0.

{"reqId":" ","level":0,"time":" ","remoteAddr":"","user":"--","app":"PHP","method":"","url":"--","message":"Using ${var} in strings is deprecated, use {$var} instead at /var/www/ncp-previewgenerator/ncp-previewgenerator-nc21/lib/Command/Generate.php#252","userAgent":"--","version":"29.0.7.1","data":{"app":"PHP"}}
6

I guess the problem is/was the slow access via SMB. I did it now via direct mount per fstab and then using the external storage app, pointing on local storage. But there are still sometimes, especially on bigger files, errors.

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