[Bug]: Update failed.

⚠️ 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

Update Nextcloud from 33.0.0 to 33.0.2 failed:

[✘] Downloading failed
Curl error: Recv failure: Die Verbindung wurde vom Kommunikationspartner zurückgesetzt
Update failed. To resume or retry just execute the updater again.

This problem exist on more than one Selfhosting-Installation since a few days.

Steps to reproduce

1. /updater/updater.phar
   [✔] Check for expected files
   [✔] Check for write permissions
   [✔] Create backup
   [ ] Downloading ... 80%
   [✘] Downloading failed
   Curl error: Recv failure: Die Verbindung wurde vom Kommunikationspartner zurückgesetzt
   Update failed. To resume or retry just execute the updater again.

Expected behavior

Is it a general problem?

Nextcloud Server version

33

Operating system

Debian/Ubuntu

PHP engine version

PHP 8.4

Web server

Apache (supported)

Database engine version

MySQL

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

None

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

List of activated Apps

Nextcloud Signing status

Nextcloud Logs

Additional info

No response

Start by reproducing the update from Nextcloud 33.0.0 to 33.0.2 through /updater/updater.phar in the stated Debian/Ubuntu, PHP 8.4, Apache, and MySQL environment. Investigate the download step and gather the missing configuration and log details. Done means determining whether the failure is general and documenting or verifying a reproducible resolution.