External SMB Share - Exception: Unknown error

Zamb · April 26, 2021, 9:09am

Hi!

I have a new installation running on Ubuntu 20.04.

I’m trying to setup a connection to an external SMB (Windows Server 2016). I have installed smbclient. PHP smbclient module isn’t avaliable on Ubuntu 20.04 as I understand.

The documentation states: “The PHP smbclient module is preferred, but either will work.”
https://docs.nextcloud.com/server/latest/admin_manual/configuration_files/external_storage/smb.html

This works fine in the terminal:
smbclient \\\\server.local.domain\\Share -U username%password

But when I enter the same information in NextCloud I get an exception shown in Admin - Logging.

Icewind\SMB\Exception\Exception: Unknown error (NT_STATUS_OBJECT_NAME_INVALID) for /
/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Exception/Exception.php - line 49:
Icewind\SMB\Exception\Exception::unknown()
/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Parser.php - line 92:
Icewind\SMB\Exception\Exception::fromMap()
/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php - line 471:
Icewind\SMB\Wrapped\Parser->checkForError()
/var/www/nextcloud/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Share.php - line 215:
Icewind\SMB\Wrapped\Share->parseOutput()
/var/www/nextcloud/apps/files_external/lib/Lib/Storage/SMB.php - line 193:
Icewind\SMB\Wrapped\Share->stat()
/var/www/nextcloud/apps/files_external/lib/Lib/Storage/SMB.php - line 345:
OCA\Files_External\Lib\Storage\SMB->getFileInfo()
/var/www/nextcloud/lib/private/Files/Storage/Common.php - line 458:
OCA\Files_External\Lib\Storage\SMB->stat()
/var/www/nextcloud/apps/files_external/lib/Lib/Storage/SMB.php - line 722:
OC\Files\Storage\Common->test()
/var/www/nextcloud/apps/files_external/lib/MountConfig.php - line 215:
OCA\Files_External\Lib\Storage\SMB->test()
/var/www/nextcloud/apps/files_external/lib/Controller/StoragesController.php - line 274:
OCA\Files_External\MountConfig::getBackendStatus("*** sensiti ... *")
/var/www/nextcloud/apps/files_external/lib/Controller/GlobalStoragesController.php - line 188:
OCA\Files_External\Controller\StoragesController->updateStorageStatus("*** sensiti ... *")
/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php - line 218:
OCA\Files_External\Controller\GlobalStoragesController->update("*** sensiti ... *")
/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php - line 127:
OC\AppFramework\Http\Dispatcher->executeController()
/var/www/nextcloud/lib/private/AppFramework/App.php - line 157:
OC\AppFramework\Http\Dispatcher->dispatch()
/var/www/nextcloud/lib/private/Route/Router.php - line 302:
OC\AppFramework\App::main()
/var/www/nextcloud/lib/base.php - line 993:
OC\Route\Router->match()
/var/www/nextcloud/index.php - line 37:
OC::handleRequest()

Please advice me. Can I use the PHP module in any way? Do I need to?
Thanks!

EDIT:

When entering a faulty username/password I get another error:
OCP\Files\StorageAuthException: Storage unauthorized. Invalid login

So, some kind of communication with the SMB server are made…

Beltran1337 · April 26, 2021, 2:05pm

Hello mate, hope you are doing well…

Do you the following installed?

php-smbclient.x86_64 php74-php-smbclient.x86_64 libsmbclient.x86_64 php-icewind-smb.noarch

Also, if you have Selinux enabled, you need to run this:

setsebool -P httpd_use_cifs on

Hope this helps, good luck!

Zamb · April 26, 2021, 2:20pm

Thanks, but…

I’m on Ubuntu 20.04, it seems like some of the packages are missing in the apt catalog:

php-smbclient
php74-php-smbclient
php-icewind-smb

libsmbclient was already installed earlier.

I don’t have Selinux (yet, so thanks!)

Where to look for the packages?

EDIT:
I have found some resource here. But have not tried to add another repo yet.
https://dannyda.com/tag/ubuntu-20-04-1-lts-php-smbclient/

Beltran1337 · April 26, 2021, 2:22pm

Hey there, that’s nice to hear.

So, did you try to run:

apt-cache search smb

To see what can be relevant for your server?

Zamb · April 26, 2021, 2:26pm

$ apt-cache search smb

backuppc - high-performance, enterprise-grade system for backing up PCs
cifs-utils - Common Internet File System utilities
dmidecode - SMBIOS/DMI table decoder
freeradius-utils - FreeRADIUS client utilities
gvfs-backends - userspace virtual filesystem - backends
libnss-winbind - Samba nameservice integration plugins
libpam-mount - PAM module that can mount volumes for a user session
libpam-mount-bin - PAM module that can mount volumes for a user session - helper
libpam-winbind - Windows domain authentication integration plugin
libsmbclient - shared library for communication with SMB/CIFS servers
libsmbclient-dev - development files for libsmbclient
libsmbios-c2 - Provide access to (SM)BIOS information -- dynamic library
libsmbios-dev - Provide access to (SM)BIOS information - development files
libsmbios-doc - Access to (SM)BIOS information in an OS-indepent way (docs)
libuutil1linux - Solaris userland utility library for Linux
libwbclient-dev - Samba winbind client library - development files
libwbclient0 - Samba winbind client library
python3-samba - Python 3 bindings for Samba
resource-agents - Cluster Resource Agents
samba - SMB/CIFS file, print, and login server for Unix
samba-common - common files used by both the Samba server and client
samba-common-bin - Samba common files used by both the server and the client
samba-dev - tools for extending Samba
samba-dsdb-modules - Samba Directory Services Database
samba-libs - Samba core libraries
samba-vfs-modules - Samba Virtual FileSystem plugins
smbclient - command-line SMB/CIFS clients for Unix
tcpdump - command-line network traffic analyzer
winbind - service to resolve user and group information from Windows NT servers
argonaut-samba - Argonaut scripts to generate Samba share configurations
cadaver - command-line WebDAV client
cp2k - Ab Initio Molecular Dynamics
fonts-noto-extra - "No Tofu" font families with large Unicode coverage (extra)
fonts-noto-ui-extra - "No Tofu" font families with large Unicode coverage (UI extra)
forensics-all - Debian Forensics Environment - essential components (metapackage)
forensics-extra - Forensics Environment - extra console components (metapackage)
fusesmb - filesystem client based on the SMB file transfer protocol
gadmintools - GTK+ server administration tools (meta-package)
gatling - high performance web server and file server
hydra - very fast network logon cracker
hydra-gtk - very fast network logon cracker - GTK+ based GUI
jftp - Java GUI client for FTP, SMB, SFTP and NFS
kio - resource and network access abstraction
krusader - twin-panel (commander-style) file manager
ldapscripts - Add and remove users and groups (stored in a LDAP directory)
ledgersmb - financial accounting and ERP program
libauthen-simple-perl - simple and consistent perl framework for authentication
libauthen-simple-smb-perl - Simple SMB authentication
libauthen-smb-perl - SMB authentication module for Perl
libbiojava-java - Java API to biological data and applications (default version)
libbiojava4-java - Java API to biological data and applications (default version)
libcrypt-smbhash-perl - generate LM/NT hash of a password for samba
libfilesys-smbclient-perl - perl interface to access Samba filesystem
libjcifs-java - Java library for the CIFS/SMB networking protocol
libjcifs-java-doc - Documentation for libjcifs-java (CIFS/SMB library for Java)
libkf5kio-dev - resource and network access abstraction (development files)
libkf5kio-doc - resource and network access abstraction (documentation)
libkf5kiocore5 - resource and network access abstraction (KIO core library)
libkf5kiofilewidgets5 - resource and network access abstraction (KIO file widgets library)
libkf5kiogui5 - resource and network access abstraction (KIO gui library)
libkf5kiontlm5 - resource and network access abstraction (KIO NTLM library)
libkf5kiowidgets5 - resource and network access abstraction (KIO widgets library)
libparse-dmidecode-perl - interface to SMBIOS using dmidecode
libpgobject-simple-perl - minimalist stored procedure mapper based on LedgerSMB's DBObject
librust-chrono+wasmbind-dev - Date and time library for Rust - feature "wasmbind"
lsmbox - List number of total/unread messages for mailboxes
monitoring-plugins-standard - Plugins for nagios compatible monitoring systems (standard)
ncrack - High-speed network authentication cracking tool
netatalk - Apple Filing Protocol service
netatalk-dbg - Apple Filing Protocol service - debug symbols
patator - Multi-purpose brute-forcer
python3-impacket - Python3 module to easily build and dissect network protocols
python3-libsmbios - Provide access to (SM)BIOS information -- Python libraries
python3-smbc - Python 3 bindings for the Samba client library
python3-smbus - Python 3 bindings for Linux SMBus access through i2c-dev
registry-tools - tools for viewing and manipulating the Windows registry
samba-testsuite - test suite from Samba
slapd-contrib - contributed plugins for OpenLDAP slapd
slapd-smbk5pwd - transitional package for slapd-contrib
smb-nat - Netbios Auditing Tool
smb2www - SMB/CIFS network client with a web interface
smb4k - Samba (SMB) share advanced browser
smbc - samba-commander - curses based samba network browser
smbios-utils - Provide access to (SM)BIOS information -- utility binaries
smbldap-tools - Scripts to manage Unix and Samba accounts stored on LDAP
smbmap - handy SMB enumeration tool
smbnetfs - User-space filesystem for SMB/NMB (Windows) network servers and shares
snort - flexible Network Intrusion Detection System
snort-common - flexible Network Intrusion Detection System - common files
snort-common-libraries - flexible Network Intrusion Detection System - libraries
snort-doc - flexible Network Intrusion Detection System - documentation
snort-rules-default - flexible Network Intrusion Detection System - ruleset
ssvnc - Enhanced TightVNC viewer with SSL/SSH tunnel helper
tuxcmd-modules - VFS modules for tuxcmd file manager
xmms2-plugin-smb - XMMS2 - Server Message Block (SMB) transport

Cant find anything that looks like the mentioned packages.

Zamb · April 26, 2021, 3:03pm

Ok, finally I solved this by doing:
pecl install smbclient

github.com

nextcloud/vm/blob/c455010ba1bd023ce2a03ca093873ad8c918d57a/nextcloud_install_production.sh#L575


echo "pgsql.ignore_notice = 0"
echo "pgsql.log_notice = 0"
} >> "$PHP_FPM_DIR"/conf.d/20-pdo_pgsql.ini


# Install PECL dependencies
install_if_not php"$PHPVER"-dev


# Install Redis (distributed cache)
run_script ADDONS redis-server-ubuntu


# Install smbclient
# php"$PHPVER"-smbclient does not yet work in PHP 7.4
install_if_not libsmbclient-dev
yes no | pecl install smbclient
if [ ! -f $PHP_MODS_DIR/smbclient.ini ]
then
    touch $PHP_MODS_DIR/smbclient.ini
fi
if ! grep -qFx extension=smbclient.so $PHP_MODS_DIR/smbclient.ini
then
    echo "# PECL smbclient" > $PHP_MODS_DIR/smbclient.ini

Maybe it’s caused by removed package from the Ubuntu 20.04 default feed.

Beltran1337 · April 26, 2021, 6:32pm

Perfect mate, good job!

Congratulations!

Have a nice week.

Zamb · April 26, 2021, 7:38pm

Thanks, and have a good week!

I then come across the bug in the icewind:

github.com/nextcloud/server

Files on SMB-share corrupted while up- and downloading

opened 09:04AM - 08 Apr 21 UTC

ShinjiLE

0. Needs triage bug

### Steps to reproduce Using SMB Share ### Expected behaviour Files uplo…aded and downloaded without corruption ### Actual behaviour Datablocks are truncated to 8192 Bytes ## Server configuration detail **Operating system:** Linux 5.11.6-1-default #1 SMP Thu Mar 11 16:11:36 UTC 2021 (7358b30) x86_64 **Webserver:** Apache (fpm-fcgi) **Database:** mysql 10.5.9 **PHP version:** 7.4.16 Modules loaded: Core, date, libxml, pcre, filter, hash, Reflection, SPL, session, SimpleXML, standard, xml, cgi-fcgi, mysqlnd, apcu, bcmath, bz2, ctype, curl, dom, enchant, mbstring, fileinfo, ftp, gd, gettext, gmp, ice, iconv, imagick, intl, json, lzf, exif, memcached, mysqli, openssl, pcntl, PDO, pdo_mysql, pdo_sqlite, zlib, posix, readline, redis, smbclient, sockets, sqlite3, tidy, tokenizer, uuid, xmlreader, xmlwriter, zip, Phar, libsmbclient, Zend OPcache **Nextcloud version:** 21.0.1 RC1 - 21.0.1.0 **Updated from an older Nextcloud/ownCloud or fresh install:** **Where did you install Nextcloud from:** unknown <details><summary>Signing status</summary> Array ( ) </details> <details><summary>List of activated apps</summary> ``` Enabled: - activity: 2.14.3 - admin_audit: 1.11.0 - announcementcenter: 5.0.0 - bookmarks: 4.1.0 - calendar: 2.2.0 - checksum: 1.1.2 - cloud_federation_api: 1.4.0 - comments: 1.11.0 - contacts: 3.5.1 - contactsinteraction: 1.2.0 - dashboard: 7.1.0 - dav: 1.17.1 - deck: 1.3.2 - duplicatefinder: 0.0.6 - event_update_notification: 1.2.0 - extract: 1.3.1 - federatedfilesharing: 1.11.0 - federation: 1.11.0 - files: 1.16.0 - files_external: 1.12.0 - files_fulltextsearch: 21.0.0 - files_fulltextsearch_tesseract: 20.0.1 - files_markdown: 2.3.3 - files_pdfviewer: 2.1.0 - files_rightclick: 1.0.0 - files_sharing: 1.13.1 - files_texteditor: 2.14.0 - files_trashbin: 1.11.0 - files_versions: 1.14.0 - files_videoplayer: 1.10.0 - firstrunwizard: 2.10.0 - fulltextsearch: 21.0.0 - fulltextsearch_elasticsearch: 21.0.0 - groupfolders: 9.0.0 - impersonate: 1.8.0 - integration_github: 1.0.0 - integration_mastodon: 1.0.0 - integration_twitter: 1.0.0 - issuetemplate: 0.7.0 - logreader: 2.6.0 - lookup_server_connector: 1.9.0 - maps: 0.1.8 - metadata: 0.13.0 - music: 1.1.0 - news: 15.3.2 - nextcloud_announcements: 1.10.0 - notes: 4.0.4 - notifications: 2.9.0 - notify_push: 0.1.6 - oauth2: 1.9.0 - passman: 2.3.7 - password_policy: 1.11.0 - phonetrack: 0.6.7 - photos: 1.3.0 - polls: 1.8.1 - previewgenerator: 3.1.1 - pride: 0.0.3 - privacy: 1.5.0 - provisioning_api: 1.11.0 - recommendations: 1.0.0 - serverinfo: 1.11.0 - settings: 1.3.0 - sharebymail: 1.11.0 - side_menu: 1.23.1 - social: 0.4.2 - spreed: 11.1.1 - support: 1.4.0 - survey_client: 1.9.0 - systemtags: 1.11.0 - tasks: 0.13.6 - telephoneprovider: 1.0.3 - text: 3.2.0 - theming: 1.12.0 - twofactor_backupcodes: 1.10.0 - updatenotification: 1.11.0 - user_status: 1.1.1 - viewer: 1.5.0 - weather_status: 1.1.0 - workflowengine: 2.3.0 Disabled: - accessibility - apporder - bruteforcesettings - circles - encryption - epubreader - files_linkeditor - files_trackdownloads - flowupload - integration_discourse - nextbackup - suspicious_login - talk_matterbridge - talk_simple_poll - user_ldap ``` </details> <details><summary>Configuration (config/config.php)</summary> ``` { "instanceid": "***REMOVED SENSITIVE VALUE***", "passwordsalt": "***REMOVED SENSITIVE VALUE***", "secret": "***REMOVED SENSITIVE VALUE***", "trusted_domains": [ "nextcloud.mybase.selfhost.de", "cloudnext.mybase.selfhost.de" ], "trusted_proxies": "***REMOVED SENSITIVE VALUE***", "default_phone_region": "DE", "datadirectory": "***REMOVED SENSITIVE VALUE***", "tempdirectory": "\/var\/tmp\/nextcloudtemp", "overwrite.cli.url": "https:\/\/nextcloud.mybase.selfhost.de", "knowledgebaseenabled": true, "dbtype": "mysql", "version": "21.0.1.0", "dbname": "***REMOVED SENSITIVE VALUE***", "dbhost": "***REMOVED SENSITIVE VALUE***", "dbport": "", "dbtableprefix": "oc_", "dbuser": "***REMOVED SENSITIVE VALUE***", "dbpassword": "***REMOVED SENSITIVE VALUE***", "installed": true, "updater.release.channel": "beta", "appstore.experimental.enabled": true, "maintenance": false, "loglevel": 3, "debug": false, "htaccess.RewriteBase": "\/", "activity_use_cached_mountpoints": true, "session_keepalive": true, "session_lifetime": 86400, "versions_retention_obligation": "auto", "trashbin_retention_obligation": "auto", "enable_previews": true, "preview_max_x": 2560, "preview_max_y": 1600, "preview_max_filesize_image": 200, "preview_libreoffice_path": "\/usr\/bin\/libreoffice", "preview_office_cl_parameters": " --headless --nologo --nofirststartwizard --invisible --norestore --convert-to pdf --outdir ", "enabledPreviewProviders": [ "OC\\Preview\\PNG", "OC\\Preview\\JPEG", "OC\\Preview\\GIF", "OC\\Preview\\BMP", "OC\\Preview\\XBitmap", "OC\\Preview\\MP3", "OC\\Preview\\TXT", "OC\\Preview\\MarkDown", "OC\\Preview\\TIFF", "OC\\Preview\\SVG", "OC\\Preview\\Postscript", "OC\\Preview\\OpenDocument", "OC\\Preview\\PDF", "OC\\Preview\\Font", "OC\\Preview\\Epub", "OC\\Preview\\StarOffice", "OC\\Preview\\HEIC", "OC\\Preview\\KRITA" ], "mail_from_address": "***REMOVED SENSITIVE VALUE***", "mail_smtpmode": "smtp", "mail_smtpauthtype": "LOGIN", "mail_domain": "***REMOVED SENSITIVE VALUE***", "log_type": "syslog", "logfile": "\/var\/log\/nextcloud.log", "logfilemode": 416, "log_rotate_size": 104857600, "syslog_tag": "Nextcloud", "memcache.distributed": "\\OC\\Memcache\\Memcached", "memcache.local": "\\OC\\Memcache\\Redis", "filelocking.enabled": "true", "filelocking.ttl": 3600, "memcache.locking": "\\OC\\Memcache\\Redis", "redis": { "host": "***REMOVED SENSITIVE VALUE***", "port": 6379, "timeout": 0, "dbindex": 0, "password": "***REMOVED SENSITIVE VALUE***" }, "memcached_servers": [ [ "192.168.1.10", 11211 ], [ "192.168.1.50", 11211 ] ], "data-fingerprint": "790e9a77b6ee76b2af214c8f58d75dfd", "mail_smtphost": "***REMOVED SENSITIVE VALUE***", "mail_smtpauth": 1, "mail_smtpname": "***REMOVED SENSITIVE VALUE***", "mail_smtppassword": "***REMOVED SENSITIVE VALUE***", "mail_smtpsecure": "tls", "mysql.utf8mb4": true, "allow_user_to_change_display_name": true, "auth.bruteforce.protection.enabled": true, "ldapIgnoreNamingRules": false, "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory", "theme": "", "app_install_overwrite": [ "fulltextsearch", "fulltextsearch_elasticsearch", "files_fulltextsearch", "files_fulltextsearch_tesseract", "passman", "pride", "checksum", "files_markdown", "telephoneprovider", "circles", "camerarawpreviews", "files_external_gdrive", "music", "facerecognition", "groupfolders", "side_menu", "metadata", "issuetemplate" ], "updater.secret": "***REMOVED SENSITIVE VALUE***" } ``` </details> **Are you using external storage, if yes which one:** smb **Are you using encryption:** **Are you using an external user-backend, if yes which one:** LDAP/ActiveDirectory/Webdav/... ## Client configuration **Browser:** Mozilla/5.0 (X11; Linux x86_64; rv:86.0) Gecko/20100101 Firefox/86.0 **Operating system:** ## Logs <details><summary>Web server error log</summary> ``` Insert your web server log here ``` </details> <details><summary>Nextcloud log</summary> ``` Apr 08 10:37:33 rin libsmbclient[2213]: {"reqId":"ipoKR7FMx5eRhV7BUHwF","level":3,"time":"2021-04-08T08:37:33+00:00","remoteAddr":"84.134.23.233","user":"shinji","app":"PHP","method":"GET","url":"/index.php/apps/files/api/v1/thumbnail/256/256/Bilder/Photos/2021/04/IMG_20210408_103713.jpg","message":"{\"Exception\":\"Error\",\"Message\":\"fread(): Icewind\\\\SMB\\\\Native\\\\NativeReadStream::stream_read - read 253952 bytes more data than requested (262144 read, 8192 max) - excess data will be lost at /srv/www/vhosts/nextcloud/apps/files_external/3rdparty/icewind/streams/src/Wrapper.php#55\",\"Code\":0,\"Trace\":[{\"function\":\"onError\",\"class\":\"OC\\\\Log\\\\ErrorHandler\",\"type\":\"::\",\"args\":[2,\"fread(): Icewind\\\\SMB\\\\Native\\\\NativeReadStream::stream_read - read 253952 bytes more data than requested (262144 read, 8192 max) - excess data will be lost\",\"/srv/www/vhosts/nextcloud/apps/files_external/3rdparty/icewind/streams/src/Wrapper.php\",55,{\"count\":8192}]},{\"file\":\"/srv/www/vhosts/nextcloud/apps/files_external/3rdparty/icewind/streams/src/Wrapper.php\",\"line\":55,\"function\":\"fread\",\"args\":[null,8192]},{\"file\":\"/srv/www/vhosts/nextcloud/apps/files_external/3rdparty/icewind/streams/src/CallbackWrapper.php\",\"line\":96,\"function\":\"stream_read\",\"class\":\"Icewind\\\\Streams\\\\Wrapper\",\"type\":\"->\",\"args\":[8192]},{\"function\":\"stream_read\",\"class\":\"Icewind\\\\Streams\\\\CallbackWrapper\",\"type\":\"->\",\"args\":[8192]},{\"file\":\"/srv/www/vhosts/nextcloud/lib/private/Preview/ProviderV2.php\",\"line\":92,\"function\":\"file_put_contents\",\"args\":[\"/tmp/oc_tmp_XQQFAM\",null]},{\"file\":\"/srv/www/vhosts/nextcloud/lib/private/Preview/Image.php\",\"line\":50,\"function\":\"getLocalFile\",\"class\":\"OC\\\\Preview\\\\ProviderV2\",\"type\":\"->\",\"args\":[{\"__class__\":\"OC\\\\Files\\\\Node\\\\File\"}]},{\"file\":\"/srv/www/vhosts/nextcloud/lib/private/Preview/GeneratorHelper.php\",\"line\":63,\"function\":\"getThumbnail\",\"class\":\"OC\\\\Preview\\\\Image\",\"type\":\"->\",\"args\":[{\"__class__\":\"OC\\\\Files\\\\Node\\\\File\"},2560,1600]},{\"file\":\"/srv/www/vhosts/nextcloud/lib/private/Preview/Generator.php\",\"line\":244,\"function\":\"getThumbnail\",\"class\":\"OC\\\\Preview\\\\GeneratorHelper\",\"type\":\"->\",\"args\":[{\"__class__\":\"OC\\\\Preview\\\\JPEG\"},{\"__class__\":\"OC\\\\Files\\\\Node\\\\File\"},2560,1600]},{\"file\":\"/srv/www/vhosts/nextcloud/lib/private/Preview/Generator.php\",\"line\":140,\"function\":\"getMaxPreview\",\"class\":\"OC\\\\Preview\\\\Generator\",\"type\":\"->\",\"args\":[{\"__class__\":\"OC\\\\Files\\\\SimpleFS\\\\SimpleFolder\"},{\"__class__\":\"OC\\\\Files\\\\Node\\\\File\"},\"image/jpeg\",\"\"]},{\"file\":\"/srv/www/vhosts/nextcloud/lib/private/Preview/Generator.php\",\"line\":109,\"function\":\"generatePreviews\",\"class\":\"OC\\\\Preview\\\\Generator\",\"type\":\"->\",\"args\":[{\"__class__\":\"OC\\\\Files\\\\Node\\\\File\"},[{\"width\":256,\"height\":256,\"crop\":true,\"mode\":\"fill\"}],\"image/jpeg\"]},{\"file\":\"/srv/www/vhosts/nextcloud/lib/private/PreviewManager.php\",\"line\":190,\"function\":\"getPreview\",\"class\":\"OC\\\\Preview\\\\Generator\",\"type\":\"->\",\"args\":[{\"__class__\":\"OC\\\\Files\\\\Node\\\\File\"},256,256,true,\"fill\",null]},{\"file\":\"/srv/www/vhosts/nextcloud/apps/files/lib/Controller/ApiController.php\",\"line\":130,\"function\":\"getPreview\",\"class\":\"OC\\\\PreviewManager\",\"type\":\"->\",\"args\":[{\"__class__\":\"OC\\\\Files\\\\Node\\\\File\"},256,256,true]},{\"file\":\"/srv/www/vhosts/nextcloud/lib/private/AppFramework/Http/Dispatcher.php\",\"line\":218,\"function\":\"getThumbnail\",\"class\":\"OCA\\\\Files\\\\Controller\\\\ApiController\",\"type\":\"->\",\"args\":[256,256,{\"__class__\":\"OC\\\\Files\\\\Node\\\\File\"}]},{\"file\":\"/srv/www/vhosts/nextcloud/lib/private/AppFramework/Http/Dispatcher.php\",\"line\":127,\"function\":\"executeController\",\"class\":\"OC\\\\AppFramework\\\\Http\\\\Dispatcher\",\"type\":\"->\",\"args\":[{\"__class__\":\"OCA\\\\Files\\\\Controller\\\\ApiController\"},\"getThumbnail\"]},{\"file\":\"/srv/www/vhosts/nextcloud/lib/private/AppFramework/App.php\",\"line\":157,\"function\":\"dispatch\",\"class\":\"OC\\\\AppFramework\\\\Http\\\\Dispatcher\",\"type\":\"->\",\"args\":[{\"__class__\":\"OCA\\\\Files\\\\Controller\\\\ApiController\"},\"getThumbnail\"]},{\"file\":\"/srv/www/vhosts/nextcloud/lib/private/Route/Router.php\",\"line\":302,\"function\":\"main\",\"class\":\"OC\\\\AppFramework\\\\App\",\"type\":\"::\",\"args\":[\"APIController\",\"getThumbnail\",{\"__class__\":\"OC\\\\AppFramework\\\\DependencyInjection\\\\DIContainer\"},{\"x\":\"256\",\"y\":\"256\",\"file\":\"Bilder/Photos/2021/04/IMG_20210408_103713.jpg\",\"_route\":\"files.API.getThumbnail\"}]},{\"file\":\"/srv/www/vhosts/nextcloud/lib/base.php\",\"line\":993,\"function\":\"match\",\"class\":\"OC\\\\Route\\\\Router\",\"type\":\"->\",\"args\":[\"/apps/files/api/v1/thumbnail/256/256/Bilder/Photos/2021/04/IMG_20210408_103713.jpg\"]},{\"file\":\"/srv/www/vhosts/nextcloud/index.php\",\"line\":37,\"function\":\"handleRequest\",\"class\":\"OC\",\"type\":\"::\",\"args\":[]}],\"File\":\"/srv/www/vhosts/nextcloud/lib/private/Log/ErrorHandler.php\",\"Line\":92,\"CustomMessage\":\"--\"}","userAgent":"Mozilla/5.0 (Android) Nextcloud-android/3.15.1","version":"21.0.1.0"} ``` </details> <details><summary>Browser log</summary> Insert your browser log here, this could for example include: a) The javascript console log b) The network log c) ... </details> ![720-1455-max](https://user-images.githubusercontent.com/16802516/113999724-95a48d80-985a-11eb-8c20-0ba5eecdb1f9.jpg)

But I have patched the php-file manually as a workaround.

Zamb · April 30, 2021, 6:36am

Maybe similar issue as mine?
I also faced an Icewind bug, causing files >8MB to fail.

rasos · June 24, 2022, 2:57pm

We could solve SMB access by upgrading to php 8.0 and adding

apt-get install php-smbclient

This is only available with sury repo for Debian bullseye.