Nextcloud office does not work after upgrading to 30.0.2

Steps to reproduce
upgrade from 28.0.12 --29.0.9 —30.0.2
open a word file.
An issue happens, when you open a word document, you cannot view it online, instead, it’s downloaded automatically.
Expected behavior
Could use Collabora online.

Nextcloud Server version
30

Operating system
Debian/Ubuntu

PHP engine version
PHP 8.3

Web server
Nginx

Database engine version
MariaDB

Is this bug present after an update or on a fresh install?
Upgraded to a MAJOR version (ex. 28 to 29)

Are you using the Nextcloud Server Encryption module?
Encryption is Disabled

What user-backends are you using?

Default user-backend (database)

LDAP/ Active Directory

SSO - SAML

Other
Configuration report

{
    "system": {
        "htaccess.RewriteBase": "\/",
        "apps_paths": [
            {
                "path": "\/var\/www\/html\/apps",
                "url": "\/apps",
                "writable": false
            },
            {
                "path": "\/var\/www\/html\/custom_apps",
                "url": "\/custom_apps",
                "writable": true
            }
        ],
        "proxy": "172.16.232.21:8088",
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "nextcloud-uat.pacific-textiles.com",
            "172.16.205.55",
            "https:\/\/nextcloud-uat.pacific-textiles.com",
            "https:\/\/nextcloud-uat.pacific-textiles.com:8443",
            "next.pacific-textiles.com"
        ],
        "trusted_proxies": "***REMOVED SENSITIVE VALUE***",
        "forwarded_for_headers": [
            "HTTP_X_FORWARDED_FOR",
            "X-Forwarded-For"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "30.0.2.2",
        "overwrite.cli.url": "https:\/\/nextcloud-uat.pacific-textiles.com",
        "overwriteprotocol": "https",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "allow_local_remote_servers": "true",
        "ldapIgnoreNamingRules": false,
        "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
        "sharing.enable_share_accept": true,
        "sharing.force_share_accept": true,
        "maintenance": false,
        "twofactor_enforced": "true",
        "twofactor_enforced_groups": [],
        "twofactor_enforced_excluded_groups": [
            "warehouse",
            "SAP-CONSULTANT",
            "monitor",
            "SAP-KU",
            "customs-i&e",
            "accounts-macao",
            "raw_material",
            "Nextcloud-No-Otp"
        ],
        "onlyoffice": {
            "verify_peer_off": true
        },
        "loglevel": "2",
        "theme": "example",
        "memcache.distributed": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "password": "***REMOVED SENSITIVE VALUE***",
            "port": 6379
        },
        "memcache.local": "\\OC\\Memcache\\APCu",
        "app_install_overwrite": [
            "accessibility",
            "fulltextsearch_elasticsearch"
        ],
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpmode": "smtp",
        "mail_sendmailmode": "smtp",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpauthtype": "LOGIN",
        "mail_smtpauth": 1,
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "25",
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***"
    }
}

{"reqId":"8ZXZtaV4xfiZS9Ydi6qM","level":3,"time":"2024-11-26T06:02:50+00:00","remoteAddr":"172.30.20.234","user":"root","app":"richdocuments","method":"GET","url":"/core/preview?fileId=408871&x=250&y=250","message":"Failed to convert preview: cURL error 28: Operation timed out after 5001 milliseconds with 0 bytes received (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://collabora-uat.pacific-textiles.com/cool/convert-to/png","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36","version":"30.0.2.2","exception":{"Exception":"GuzzleHttp\\Exception\\ConnectException","Message":"cURL error 28: Operation timed out after 5001 milliseconds with 0 bytes received (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://collabora-uat.pacific-textiles.com/cool/convert-to/png","Code":0,"Trace":[{"file":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/Handler/CurlFactory.php","line":158,"function":"createRejection","class":"GuzzleHttp\\Handler\\CurlFactory","type":"::","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/Handler/CurlFactory.php","line":110,"function":"finishError","class":"GuzzleHttp\\Handler\\CurlFactory","type":"::","args":[{"__class__":"GuzzleHttp\\Handler\\CurlHandler"},"*** sensitive parameters replaced ***",{"__class__":"GuzzleHttp\\Handler\\CurlFactory"}]},{"file":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/Handler/CurlHandler.php","line":47,"function":"finish","class":"GuzzleHttp\\Handler\\CurlFactory","type":"::","args":[{"__class__":"GuzzleHttp\\Handler\\CurlHandler"},"*** sensitive parameters replaced ***",{"__class__":"GuzzleHttp\\Handler\\CurlFactory"}]},{"file":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/Middleware.php","line":142,"function":"__invoke","class":"GuzzleHttp\\Handler\\CurlHandler","type":"->","args":["*** sensitive parameters replaced ***","*** sensitive parameters replaced ***"]},{"file":"/var/www/html/lib/private/Http/Client/DnsPinMiddleware.php","line":106,"function":"GuzzleHttp\\{closure}","class":"GuzzleHttp\\Middleware","type":"::","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/PrepareBodyMiddleware.php","line":64,"function":"OC\\Http\\Client\\{closure}","class":"OC\\Http\\Client\\DnsPinMiddleware","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/Middleware.php","line":31,"function":"__invoke","class":"GuzzleHttp\\PrepareBodyMiddleware","type":"->","args":["*** sensitive parameters replaced ***","*** sensitive parameters replaced ***"]},{"file":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/RedirectMiddleware.php","line":71,"function":"GuzzleHttp\\{closure}","class":"GuzzleHttp\\Middleware","type":"::","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/Middleware.php","line":66,"function":"__invoke","class":"GuzzleHttp\\RedirectMiddleware","type":"->","args":["*** sensitive parameters replaced ***","*** sensitive parameters replaced ***"]},{"file":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/HandlerStack.php","line":75,"function":"GuzzleHttp\\{closure}","class":"GuzzleHttp\\Middleware","type":"::","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/Client.php","line":333,"function":"__invoke","class":"GuzzleHttp\\HandlerStack","type":"->","args":["*** sensitive parameters replaced ***","*** sensitive parameters replaced ***"]},{"file":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/Client.php","line":169,"function":"transfer","class":"GuzzleHttp\\Client","type":"->","args":["*** sensitive parameters replaced ***","*** sensitive parameters replaced ***"]},{"file":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/Client.php","line":189,"function":"requestAsync","class":"GuzzleHttp\\Client","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/html/lib/private/Http/Client/Client.php","line":276,"function":"request","class":"GuzzleHttp\\Client","type":"->","args":["*** sensitive parameters replaced ***","*** sensitive parameters replaced ***",{"verify":"/var/www/html/resources/config/ca-bundle.crt","timeout":5,"proxy":{"http":"172.16.232.21:8088","https":"172.16.232.21:8088"},"nextcloud":{"allow_local_address":true},"expect":false,"0":"And 3 more entries, set log level to debug to see all entries"}]},{"file":"/var/www/html/custom_apps/richdocuments/lib/Service/RemoteService.php","line":92,"function":"post","class":"OC\\Http\\Client\\Client","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"/var/www/html/custom_apps/richdocuments/lib/Service/RemoteService.php","line":72,"function":"convertTo","class":"OCA\\Richdocuments\\Service\\RemoteService","type":"->","args":["GZ-GEN-3-012-20241121-001 IT\u670d\u52a1\u8fd0\u7ef4\u62a5\u544a\u30101\u6708-10\u6708\u3011V2.0.pptx",null,"png"]},{"file":"/var/www/html/custom_apps/richdocuments/lib/Preview/Office.php","line":41,"function":"convertFileTo","class":"OCA\\Richdocuments\\Service\\RemoteService","type":"->","args":[{"__class__":"OC\\Files\\Node\\File"},"png"]},{"file":"/var/www/html/lib/private/Preview/GeneratorHelper.php","line":44,"function":"getThumbnail","class":"OCA\\Richdocuments\\Preview\\Office","type":"->","args":[{"__class__":"OC\\Files\\Node\\File"},4096,4096]},{"file":"/var/www/html/lib/private/Preview/Generator.php","line":337,"function":"getThumbnail","class":"OC\\Preview\\GeneratorHelper","type":"->","args":[{"__class__":"OCA\\Richdocuments\\Preview\\OOXML"},{"__class__":"OC\\Files\\Node\\File"},4096,4096]},{"file":"/var/www/html/lib/private/Preview/Generator.php","line":313,"function":"generateProviderPreview","class":"OC\\Preview\\Generator","type":"->","args":[{"__class__":"OC\\Files\\SimpleFS\\SimpleFolder"},{"__class__":"OC\\Files\\Node\\File"},4096,4096,false,true,"application/vnd.openxmlformats-officedocument.presentationml.presentation",""]},{"file":"/var/www/html/lib/private/Preview/Generator.php","line":119,"function":"getMaxPreview","class":"OC\\Preview\\Generator","type":"->","args":[{"__class__":"OC\\Files\\SimpleFS\\SimpleFolder"},[],{"__class__":"OC\\Files\\Node\\File"},"application/vnd.openxmlformats-officedocument.presentationml.presentation",""]},{"file":"/var/www/html/lib/private/Preview/Generator.php","line":86,"function":"generatePreviews","class":"OC\\Preview\\Generator","type":"->","args":[{"__class__":"OC\\Files\\Node\\File"},[{"width":250,"height":250,"crop":true,"mode":"fill"}],"application/vnd.openxmlformats-officedocument.presentationml.presentation"]},{"file":"/var/www/html/lib/private/PreviewManager.php","line":167,"function":"getPreview","class":"OC\\Preview\\Generator","type":"->","args":[{"__class__":"OC\\Files\\Node\\File"},250,250,true,"fill",null]},{"file":"/var/www/html/core/Controller/PreviewController.php","line":159,"function":"getPreview","class":"OC\\PreviewManager","type":"->","args":[{"__class__":"OC\\Files\\Node\\File"},250,250,true,"fill"]},{"file":"/var/www/html/core/Controller/PreviewController.php","line":123,"function":"fetchPreview","class":"OC\\Core\\Controller\\PreviewController","type":"->","args":[{"__class__":"OC\\Files\\Node\\File"},250,250,false,true,"fill",false]},{"file":"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php","line":208,"function":"getPreviewByFileId","class":"OC\\Core\\Controller\\PreviewController","type":"->","args":[408871,250,250,false,true,"fill",false]},{"file":"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php","line":114,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[{"__class__":"OC\\Core\\Controller\\PreviewController"},"getPreviewByFileId"]},{"file":"/var/www/html/lib/private/AppFramework/App.php","line":161,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[{"__class__":"OC\\Core\\Controller\\PreviewController"},"getPreviewByFileId"]},{"file":"/var/www/html/lib/private/Route/Router.php","line":302,"function":"main","class":"OC\\AppFramework\\App","type":"::","args":["OC\\Core\\Controller\\PreviewController","getPreviewByFileId",{"__class__":"OC\\AppFramework\\DependencyInjection\\DIContainer"},{"_route":"core.preview.getpreviewbyfileid"}]},{"file":"/var/www/html/lib/base.php","line":1001,"function":"match","class":"OC\\Route\\Router","type":"->","args":["/core/preview"]},{"file":"/var/www/html/index.php","line":24,"function":"handleRequest","class":"OC","type":"::","args":[]}],"File":"/var/www/html/3rdparty/guzzlehttp/guzzle/src/Handler/CurlFactory.php","Line":210,"message":"Failed to convert preview: cURL error 28: Operation timed out after 5001 milliseconds with 0 bytes received (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://collabora-uat.pacific-textiles.com/cool/convert-to/png","exception":{},"CustomMessage":"Failed to convert preview: cURL error 28: Operation timed out after 5001 milliseconds with 0 bytes received (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://collabora-uat.pacific-textiles.com/cool/convert-to/png"}}

"Failed to convert preview: cURL error 28: Operation timed out after 5001 milliseconds with 0 bytes received (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://collabora-uat.pacific-textiles.com/cool/convert-to/png"

Is your Collabora instance reachable from your Nextcloud instance container?

"proxy": "172.16.232.21:8088",

You appear to be using a proxy. That may also be a factor here.

Please also check:

  • if you have any errors or warnings under Admin settings->Overview
  • the status of the integration connection to Collabora under Admin settings->Office

Unrelated, but some of the above values are invalid. See Configuration Parameters: trusted_domains.

Thanks for pointing out. Let me try again.

Did it again. It makes no difference.
It’s okay in 28.0.11, and after upgrade to 29.0.8, this issue happens.
I removed proxy from config.php and restarted nextcloud, but it did not work.

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