⚠️ This issue respects the following points: ⚠️
Bug description
When there is a folder which is backed by external storage(Backblaze B2 over S3 interface in my case) the thumbnails for uploaded files won't generate in the web-interface. Clicking the image files also doesn't show them but instead the message "Error while loading "/"Fehler beim laden von ".
This problem can be fixed by visiting the folders with the android app.
Steps to reproduce
- add an external storage
- upload files to it
- open the folder in the web-interface and notice no thumbnails
- open the folder in the android app and notice the thumbnails being generated and working
- open the folder in the web-interface again and notice the thumbnails are now present
Expected behavior
the thumbnails and image display should work regardless of where the files reside.
Installation method
Community Web installer on a VPS or web space
Operating system
Other
PHP engine version
PHP 8.1
Web server
Nginx
Database engine version
PostgreSQL
Is this bug present after an update or on a fresh install?
Updated to a major version (ex. 22.2.3 to 23.0.1)
Are you using the Nextcloud Server Encryption module?
Encryption is Enabled
What user-backends are you using?
Configuration report
{ "system": { "instanceid": "***REMOVED SENSITIVE VALUE***", "passwordsalt": "***REMOVED SENSITIVE VALUE***", "secret": "***REMOVED SENSITIVE VALUE***", "trusted_domains": [ "cloud.rfreyt.ag" ], "datadirectory": "***REMOVED SENSITIVE VALUE***", "dbtype": "pgsql", "version": "25.0.4.1", "overwrite.cli.url": "https:\/\/cloud.rfreyt.ag", "dbname": "***REMOVED SENSITIVE VALUE***", "dbhost": "***REMOVED SENSITIVE VALUE***", "dbport": "", "dbtableprefix": "oc_", "dbuser": "***REMOVED SENSITIVE VALUE***", "dbpassword": "***REMOVED SENSITIVE VALUE***", "installed": true, "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", "memcache.local": "\\OC\\Memcache\\APCu", "mail_smtpsecure": "tls", "maintenance": false, "theme": "", "loglevel": 0, "logfile": "\/var\/log\/nextcloud\/nextcloud.log", "default_phone_region": "DE", "apps_paths": [ { "path": "\/usr\/share\/webapps\/nextcloud\/apps", "url": "\/apps", "writable": false }, { "path": "\/var\/lib\/nextcloud\/apps", "url": "\/wapps", "writable": true } ] } }List of activated Apps
Enabled: - activity: 2.17.0 - bruteforcesettings: 2.5.0 - calendar: 4.2.4 - camerarawpreviews: 0.8.1 - checksum: 1.2.0 - circles: 25.0.0 - cloud_federation_api: 1.8.0 - comments: 1.15.0 - contacts: 5.1.0 - contactsinteraction: 1.6.0 - dashboard: 7.5.0 - dav: 1.24.0 - encryption: 2.13.0 - federatedfilesharing: 1.15.0 - federation: 1.15.0 - files: 1.20.1 - files_accesscontrol: 1.15.1 - files_automatedtagging: 1.15.2 - files_downloadactivity: 1.15.0 - files_external: 1.17.0 - files_pdfviewer: 2.6.0 - files_rightclick: 1.4.0 - files_sharing: 1.17.0 - files_trashbin: 1.15.0 - files_versions: 1.18.0 - firstrunwizard: 2.14.0 - logreader: 2.10.0 - lookup_server_connector: 1.13.0 - metadata: 0.17.0 - nextcloud_announcements: 1.14.0 - notifications: 2.13.1 - oauth2: 1.13.0 - password_policy: 1.15.0 - photos: 2.0.1 - privacy: 1.9.0 - provisioning_api: 1.15.0 - recommendations: 1.4.0 - related_resources: 1.0.4 - serverinfo: 1.15.0 - settings: 1.7.0 - sharebymail: 1.15.0 - spreed: 15.0.4 - support: 1.8.0 - survey_client: 1.13.0 - systemtags: 1.15.0 - tasks: 0.14.5 - text: 3.6.0 - theming: 2.0.1 - twofactor_backupcodes: 1.14.0 - twofactor_totp: 7.0.0 - twofactor_webauthn: 1.1.1 - updatenotification: 1.15.0 - user_status: 1.5.0 - viewer: 1.9.0 - weather_status: 1.5.0 - workflowengine: 2.7.0 Disabled: - admin_audit - audioplayer: 3.3.1 - epubreader: 1.4.7 - files_mindmap: 0.0.26 - fulltextsearch: 24.0.0 - integration_twitter: 1.0.3 - suspicious_login - timetracker: 0.0.76 - user_ldap - welcome: 1.0.2
Nextcloud Signing status
No errors have been found.
Nextcloud Logs
{"reqId":"TdOINZmZOsVkcEtbwmBI","level":3,"time":"2023-03-03T19:30:03+00:00","remoteAddr":"91.49.60.117","user":"rfreytag","app":"PHP","method":"GET","url":"/core/preview?fileId=248461&c=63f18a1258d37&x=250&y=250&forceIcon=0&a=0","message":"imagecreatefromstring(): Data is not in a recognized format at /usr/share/webapps/nextcloud/lib/private/legacy/OC_Image.php#758","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/110.0","version":"25.0.4.1","exception":{"Exception":"Error","Message":"imagecreatefromstring(): Data is not in a recognized format at /usr/share/webapps/nextcloud/lib/private/legacy/OC_Image.php#758","Code":0,"Trace":[{"function":"onError","class":"OC\\Log\\ErrorHandler","type":"::"},{"file":"/usr/share/webapps/nextcloud/lib/private/legacy/OC_Image.php","line":758,"function":"imagecreatefromstring","args":["*** sensitive parameters replaced ***"]},{"file":"/usr/share/webapps/nextcloud/lib/private/Preview/Image.php","line":52,"function":"loadFromFile","class":"OC_Image","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/Preview/GeneratorHelper.php","line":65,"function":"getThumbnail","class":"OC\\Preview\\Image","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/Preview/Generator.php","line":343,"function":"getThumbnail","class":"OC\\Preview\\GeneratorHelper","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/Preview/Generator.php","line":162,"function":"getMaxPreview","class":"OC\\Preview\\Generator","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/Preview/Generator.php","line":114,"function":"generatePreviews","class":"OC\\Preview\\Generator","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/PreviewManager.php","line":185,"function":"getPreview","class":"OC\\Preview\\Generator","type":"->"},{"file":"/usr/share/webapps/nextcloud/core/Controller/PreviewController.php","line":144,"function":"getPreview","class":"OC\\PreviewManager","type":"->"},{"file":"/usr/share/webapps/nextcloud/core/Controller/PreviewController.php","line":113,"function":"fetchPreview","class":"OC\\Core\\Controller\\PreviewController","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":225,"function":"getPreviewByFileId","class":"OC\\Core\\Controller\\PreviewController","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":133,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/AppFramework/App.php","line":172,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/Route/Router.php","line":298,"function":"main","class":"OC\\AppFramework\\App","type":"::"},{"file":"/usr/share/webapps/nextcloud/lib/base.php","line":1047,"function":"match","class":"OC\\Route\\Router","type":"->"},{"file":"/usr/share/webapps/nextcloud/index.php","line":36,"function":"handleRequest","class":"OC","type":"::"}],"File":"/usr/share/webapps/nextcloud/lib/private/Log/ErrorHandler.php","Line":92,"CustomMessage":"--"}}Additional info
No response
Bug description
When there is a folder which is backed by external storage(Backblaze B2 over S3 interface in my case) the thumbnails for uploaded files won't generate in the web-interface. Clicking the image files also doesn't show them but instead the message "Error while loading "/"Fehler beim laden von ".
This problem can be fixed by visiting the folders with the android app.
Steps to reproduce
Expected behavior
the thumbnails and image display should work regardless of where the files reside.
Installation method
Community Web installer on a VPS or web space
Operating system
Other
PHP engine version
PHP 8.1
Web server
Nginx
Database engine version
PostgreSQL
Is this bug present after an update or on a fresh install?
Updated to a major version (ex. 22.2.3 to 23.0.1)
Are you using the Nextcloud Server Encryption module?
Encryption is Enabled
What user-backends are you using?
Configuration report
{ "system": { "instanceid": "***REMOVED SENSITIVE VALUE***", "passwordsalt": "***REMOVED SENSITIVE VALUE***", "secret": "***REMOVED SENSITIVE VALUE***", "trusted_domains": [ "cloud.rfreyt.ag" ], "datadirectory": "***REMOVED SENSITIVE VALUE***", "dbtype": "pgsql", "version": "25.0.4.1", "overwrite.cli.url": "https:\/\/cloud.rfreyt.ag", "dbname": "***REMOVED SENSITIVE VALUE***", "dbhost": "***REMOVED SENSITIVE VALUE***", "dbport": "", "dbtableprefix": "oc_", "dbuser": "***REMOVED SENSITIVE VALUE***", "dbpassword": "***REMOVED SENSITIVE VALUE***", "installed": true, "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", "memcache.local": "\\OC\\Memcache\\APCu", "mail_smtpsecure": "tls", "maintenance": false, "theme": "", "loglevel": 0, "logfile": "\/var\/log\/nextcloud\/nextcloud.log", "default_phone_region": "DE", "apps_paths": [ { "path": "\/usr\/share\/webapps\/nextcloud\/apps", "url": "\/apps", "writable": false }, { "path": "\/var\/lib\/nextcloud\/apps", "url": "\/wapps", "writable": true } ] } }List of activated Apps
Nextcloud Signing status
Nextcloud Logs
{"reqId":"TdOINZmZOsVkcEtbwmBI","level":3,"time":"2023-03-03T19:30:03+00:00","remoteAddr":"91.49.60.117","user":"rfreytag","app":"PHP","method":"GET","url":"/core/preview?fileId=248461&c=63f18a1258d37&x=250&y=250&forceIcon=0&a=0","message":"imagecreatefromstring(): Data is not in a recognized format at /usr/share/webapps/nextcloud/lib/private/legacy/OC_Image.php#758","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/110.0","version":"25.0.4.1","exception":{"Exception":"Error","Message":"imagecreatefromstring(): Data is not in a recognized format at /usr/share/webapps/nextcloud/lib/private/legacy/OC_Image.php#758","Code":0,"Trace":[{"function":"onError","class":"OC\\Log\\ErrorHandler","type":"::"},{"file":"/usr/share/webapps/nextcloud/lib/private/legacy/OC_Image.php","line":758,"function":"imagecreatefromstring","args":["*** sensitive parameters replaced ***"]},{"file":"/usr/share/webapps/nextcloud/lib/private/Preview/Image.php","line":52,"function":"loadFromFile","class":"OC_Image","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/Preview/GeneratorHelper.php","line":65,"function":"getThumbnail","class":"OC\\Preview\\Image","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/Preview/Generator.php","line":343,"function":"getThumbnail","class":"OC\\Preview\\GeneratorHelper","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/Preview/Generator.php","line":162,"function":"getMaxPreview","class":"OC\\Preview\\Generator","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/Preview/Generator.php","line":114,"function":"generatePreviews","class":"OC\\Preview\\Generator","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/PreviewManager.php","line":185,"function":"getPreview","class":"OC\\Preview\\Generator","type":"->"},{"file":"/usr/share/webapps/nextcloud/core/Controller/PreviewController.php","line":144,"function":"getPreview","class":"OC\\PreviewManager","type":"->"},{"file":"/usr/share/webapps/nextcloud/core/Controller/PreviewController.php","line":113,"function":"fetchPreview","class":"OC\\Core\\Controller\\PreviewController","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":225,"function":"getPreviewByFileId","class":"OC\\Core\\Controller\\PreviewController","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":133,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/AppFramework/App.php","line":172,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},{"file":"/usr/share/webapps/nextcloud/lib/private/Route/Router.php","line":298,"function":"main","class":"OC\\AppFramework\\App","type":"::"},{"file":"/usr/share/webapps/nextcloud/lib/base.php","line":1047,"function":"match","class":"OC\\Route\\Router","type":"->"},{"file":"/usr/share/webapps/nextcloud/index.php","line":36,"function":"handleRequest","class":"OC","type":"::"}],"File":"/usr/share/webapps/nextcloud/lib/private/Log/ErrorHandler.php","Line":92,"CustomMessage":"--"}}Additional info
No response