Linux client stuck on connecting

[allan2]

Pre-submission Checks

• [X] I checked for similar issues, but could not find any. I also checked the closed issues. I could not contribute additional information to any existing issue.
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Describe the bug

The Linux client is not able to connect on startup. The GUI starts up properly but gets stuck on connecting.

The only way to trigger working sync is: Account -> Log out -> Log in -> authenticate using browser -> click into existing session in browser -> Linux client now shows connected

Expected behavior

Starting the desktop Linux client should have working sync

Steps to reproduce the issue

No response

Screenshots

The displayed message is Connecting to https://server.com...

Logs

Client startup HTTP requests

This is a table of HTTP requests made at client start up. Notably, Windows and macOS clients make a request to /konnect/v1/token but the Linux client does not.

Windows

ID	Method	Status	Path
1	GET	200	/status.php
2	GET	200	/status.php
3	GET	200	/.well-known/openid-configuration
4	POST	200	/konnect/v1/token
5	GET	200	/graph/v1.0/me/drives
6	GET	200	/status.php
7	PROPFIND	207	/remote.php/webdav/
8	GET	200	/ocs/v2.php/cloud/capabilities
9	GET	200	/ocs/v2.php/cloud/user
10	GET	200	/app/list
11	GET	200	/ocs/v2.php/cloud/capabilities
12	PROPFIND	207	/dav/spaces/a$a/
13	PROPFIND	207	/dav/spaces/a$a/
14	GET	200	/ocs/v2.php/cloud/user
15	GET	200	/app/list
16	GET	404	/ocs/v2.php/cloud/activity
17	GET	200	/ocs/v2.php/apps/notifications/api/v1/notifications
18	PROPFIND	207	/dav/spaces/a$a/
19	PROPFIND	207	/dav/spaces/a$a/

macOS

ID	Method	Status	Path
1	GET	200	/status.php
2	GET	200	/status.php
3	GET	200	/.well-known/openid-configuration
4	POST	200	/konnect/v1/token
5	GET	200	/graph/v1.0/me/drives
6	GET	200	/status.php
7	PROPFIND	207	/remote.php/webdav/
8	GET	200	/ocs/v2.php/cloud/capabilities
9	GET	200	/ocs/v2.php/cloud/user
10	GET	200	/app/list
11	GET	200	/ocs/v2.php/cloud/capabilities
12	GET	200	/ocs/v2.php/cloud/user
13	GET	400	/app/list
14	GET	404	/ocs/v2.php/cloud/activity
15	GET	200	/ocs/v2.php/apps/notifications/api/v1/notifications
16	PROPFIND	207	/dav/spaces/a$a/
17	PROPFIND	207	/dav/spaces/a$a/

Linux

ID	Method	Status	Path
1	GET	200	/status.php
2	PROPFIND	401	/remote.php/dav/files/myuser/
3	GET	200	/status.php
4	GET	200	/.well-known/openid-configuration

Linux logout/login HTTP requests

After doing the log out and login from the Linux client, sync works again.

ID	Method	Status	Path	User Agent	Note
1	GET	200	/status.php	Linux	client startup
2	PROPFIND	401	/remote.php/dav/files/myuser/	Linux	client startup
3	GET	200	/status.php	Linux	client startup
4	GET	200	/.well-known/openid-configuration	Linux	client startup
5	GET	200	/status.php	Linux	first request after login clicked. There is no request received from log out click
6	GET	200	/status.php	Linux	second request after login clicked
7	GET	200	/.well-known/openid-configuration	Linux
8	GET	302	/signin/v1/identifier/_/authorize	browser
9	GET	200	/signin/v1/identifier	browser
10	GET	200	/signin/v1/static/css/main.24ffb332.css	browser
11	GET	200	/signin/v1/static/js/681.f1521263.js	browser
12	GET	200	/signin/v1/static/js/runtime-main.335884e7.js	browser
13	GET	200	/signin/v1/static/js/main.bf94f984.js	browser
14	GET	200	/signin/v1/static/js/identifier-main.b9ab2fc1.chunk.js	browser
15	GET	200	/signin/v1/static/js/690.07c5b7d6.chunk.js	browser
16	GET	200	/signin/v1/static/media/background.7296b9ab.jpg	browser
17	GET	200	/signin/v1/static/js/all-i18n-data.a8e8cc22.chunk.js	browser
18	GET	200	/signin/v1/static/media/inter.d5c51099.woff2	browser
19	GET	200	/signin/v1/static/js/containers-login.8c59f580.chunk.js	browser
20	GET	200	/signin/v1/static/js/378.efee6e8b.chunk.js	browser
21	GET	200	/signin/v1/static/js/953.4eca64f4.chunk.js	browser
22	GET	200	/signin/v1/static/js/all-i18n-data.a8e8cc22.chunk.js	browser
23	GET	200	/signin/v1/static/logo.svg	browser
24	POST	200	/signin/v1/identifier/_/hello	browser
25	POST	200	/signin/v1/identifier/_/logon	browser
26	POST	200	/signin/v1/identifier/_/consent	browser
27	GET	302	/signin/v1/identifier/_/authorize	browser
28	POST	200	/konnect/v1/token	Linux
29	GET	200	/ocs/v2.php/cloud/user	Linux
30	GET	200	/graph/v1.0/me/drives	Linux
31	GET	200	/status.php	Linux
32	PROPFIND	207	/remote.php/webdav/	Linux
33	GET	200	/ocs/v2.php/cloud/capabilities	Linux
34	GET	200	/ocs/v2.php/cloud/user	Linux
35	GET	200	/app/list	Linux
36	GET	200	/ocs/v2.php/cloud/capabilities	Linux
37	GET	200	/ocs/v2.php/cloud/user	Linux
38	GET	400	/app/list	Linux
39	PROPFIND	207	/dav/spaces/a$a/	Linux
40	GET	404	/ocs/v2.php/cloud/activity	Linux
41	GET	200	/ocs/v2.php/apps/notifications/api/v1/notifications	Linux

Linux client logs

client_startup.log client_logout_login_working.log

Client version number

All clients tested were 5.3.1.14018.

Desktop environment (Linux only)

Ubuntu 24.04

Client package version and origin (Linux only)

Installed from ownCloud mirrors

Installation path (Windows only)

No response

Server information

No response

Additional context

No response