[Bug]: Chunk upload not working since update from 26 to 28.0.5

[0verEngineer]

⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github OR Nextcloud Community Forum (I've searched it).
• Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• I agree to follow Nextcloud's Code of Conduct.

Bug description

Since i updated my Nextcloud (docker community image behind Traefik 2 reverse proxy) the upload in the webUI and the client does not work anymore.
A Friend of mine has the same problem and he the default zip downloaded package with nginx on Ubuntu

Errors in the nextcloud admin interface look like this:

• BadRequest Expected filesize of 10485760 bytes but read (from Nextcloud client) and wrote (to Nextcloud storage) 1990656 bytes. Could either be a network problem on the sending side or a problem writing to the storage on the server side.

Here are screenshots from the errors in the browser:

Steps to reproduce

1. Use 28.0.5
2. Upload a File (I used a 2.9 gb file)

Expected behavior

Upload should work

Installation method

Community Docker image

Nextcloud Server version

28

Operating system

RHEL/CentOS

PHP engine version

PHP 8.2

Web server

None

Database engine version

PostgreSQL

Is this bug present after an update or on a fresh install?

Upgraded to a MAJOR version (ex. 22 to 23)

Are you using the Nextcloud Server Encryption module?

Encryption is Enabled

What user-backends are you using?

• Default user-backend (database)
• LDAP/ Active Directory
• SSO - SAML
• Other

Configuration report

{
    "system": {
        "htaccess.RewriteBase": "\/",
        "memcache.local": "\\OC\\Memcache\\APCu",
        "memcache.distributed": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 6379
        },
        "apps_paths": [
            {
                "path": "\/var\/www\/html\/apps",
                "url": "\/apps",
                "writable": false
            },
            {
                "path": "\/var\/www\/html\/custom_apps",
                "url": "\/custom_apps",
                "writable": true
            }
        ],
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "cloud.domain.com"
        ],
        "trusted_proxies": "***REMOVED SENSITIVE VALUE***",
        "forwarded_for_headers": "X-Real-Ip",
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "pgsql",
        "version": "28.0.5.1",
        "overwrite.cli.url": "http:\/\/cloud.domain.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,
        "default_phone_region": "DE",
        "loglevel": 0,
        "maintenance": false,
        "twofactor_enforced": "false",
        "twofactor_enforced_groups": [],
        "twofactor_enforced_excluded_groups": [],
        "mail_smtpmode": "smtp",
        "mail_sendmailmode": "smtp",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpauthtype": "LOGIN",
        "mail_smtpauth": 1,
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "465",
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpsecure": "ssl",
        "app_install_overwrite": [
            "tasks",
            "caniupdate"
        ],
        "theme": "",
        "maintenance_window_start": 2
    }
}

List of activated Apps

Enabled:
  - activity: 2.20.0
  - admin_audit: 1.18.0
  - bruteforcesettings: 2.8.0
  - calendar: 4.7.2
  - checksum: 1.2.4
  - circles: 28.0.0
  - cloud_federation_api: 1.11.0
  - comments: 1.18.0
  - contacts: 5.5.3
  - contactsinteraction: 1.9.0
  - cospend: 1.6.1
  - dashboard: 7.8.0
  - dav: 1.29.1
  - deck: 1.12.2
  - encryption: 2.16.0
  - federatedfilesharing: 1.18.0
  - federation: 1.18.0
  - files: 2.0.0
  - files_external: 1.20.0
  - files_pdfviewer: 2.9.0
  - files_reminders: 1.1.0
  - files_sharing: 1.20.0
  - files_trashbin: 1.18.0
  - files_versions: 1.21.0
  - firstrunwizard: 2.17.0
  - logreader: 2.13.0
  - lookup_server_connector: 1.16.0
  - nextcloud_announcements: 1.17.0
  - notifications: 2.16.0
  - oauth2: 1.16.3
  - password_policy: 1.18.0
  - photos: 2.4.0
  - privacy: 1.12.0
  - provisioning_api: 1.18.0
  - quota_warning: 1.19.0
  - recommendations: 2.0.0
  - related_resources: 1.3.0
  - serverinfo: 1.18.0
  - settings: 1.10.1
  - sharebymail: 1.18.0
  - support: 1.11.1
  - survey_client: 1.16.0
  - suspicious_login: 6.0.0
  - systemtags: 1.18.0
  - tasks: 0.15.0
  - text: 3.9.1
  - theming: 2.3.0
  - twofactor_backupcodes: 1.17.0
  - twofactor_totp: 10.0.0-beta.2
  - updatenotification: 1.18.0
  - user_status: 1.8.1
  - viewer: 2.2.0
  - weather_status: 1.8.0
  - workflowengine: 2.10.0
Disabled:
  - files_antivirus: 5.5.0 (installed 5.5.0)
  - files_rightclick: 0.15.1 (installed 1.6.0)
  - metadata: 0.19.0 (installed 0.19.0)
  - user_ldap: 1.19.0

Nextcloud Signing status

No errors have been found.

Nextcloud Logs

No response

Additional info

No response

[skjnldsv]

502 response code means your webserver timed out, this looks like a setup issue 🤔

[skjnldsv]

Traefik also had an issue and is fixed since
#44113 (comment)

[0verEngineer]

As i said in my issue, a friend of mine who uses a relatively standard way of hosting Nextcloud with nginx has the same issue and it only happens since i updated

[skjnldsv]

@0verEngineer I understand, thanks for replying!
Can you confirm your friend experience the same errors? While the issue might look the same, it might be from different causes :)

[0verEngineer]

@skjnldsv I am sorry, you are correct it is indeed a different issue, this is a screenshot from the error that happens on the instance of my friend:

I will check out the traefik stuff when i have some time. Thank you

[0verEngineer]

Traefik downgrade to 10.0.7 did fix the issue.

[skjnldsv]

Thank you for taking the time to check 😊

[bugsyb]

Might be related to maybe readTimeout on Traefik, though it would be more likely in case of migration to v3. I've run into this and setting appropriately (or disabling) readTimeout sorted issue.
See this #37695 (comment) for example entry for Traefik to fix it, if this is indeed timeout issue - check your logs.