Owncloud client stuck in "Checking for changes", restarts every 2 min, "token does not exist"

Server
1

Have an OwnCloud server at BananaPI. Got some problem with the hard drive and did not use it for a while. After runing fsck and solving the issue with the file system the OwnCloud came back to life. Can connect via Web and via Windows client and see the content. The Windows client is "Chacking for changes, go through some files and then closes in about 1,5 min. Then starts all over again (though seems like it is checking other files). In the Activity section there are status masseges “Aborted” exactly 2 min apart. Updated the owncloud server to 10.10 (from 9.3.ish) and php from 7.2 to 7.4 but still the same. Newest version of the client.

Steps to reproduce

1.Login to Windows client
2.Sync is started automatically
3. Wait for the error

Expected behaviour

Sync without error

Actual behaviour

Stops with an error every 2 min, then restarts again

Server configuration

Operating system:

root@bananapi:/var/www/owncloud# uname -a
Linux bananapi 5.15.43-sunxi #22.05.1 SMP Sat May 28 08:17:47 UTC 2022 armv7l GNU/Linux

Web server:
apache2
Database:
mysql
PHP version:
7.4
ownCloud version: (see ownCloud admin page)
10.10
Updated from an older ownCloud or fresh install:
not related, recently updated but problem persisted even before
Where did you install ownCloud from:
stable release download
Signing status (ownCloud 9.0 and above):
No errors have been found.

The content of config/config.php:

{
    "system": {
        "updatechecker": false,
        "instanceid": "oc2ogdrm8g13",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "192.168.0.154",
            TWO MORE DOMAINS
        ],
        "datadirectory": "\/media\/hdd\/owncloud_files",
        "overwrite.cli.url": "http:\/\/192.168.0.154",
        "dbtype": "mysql",
        "version": "10.10.0.3",
        "memcache.local": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "localhost",
            "port": 6379
        },
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "dbname": "owncloud",
        "dbhost": "localhost",
        "dbtableprefix": "oc_",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "logtimezone": "UTC",
        "apps_paths": [
            {
                "path": "\/var\/www\/owncloud\/apps",
                "url": "\/apps",
                "writable": false
            },
            {
                "path": "\/var\/www\/owncloud\/apps-external",
                "url": "\/apps-external",
                "writable": true
            }
        ],
        "installed": true,
        "updater.secret": "***REMOVED SENSITIVE VALUE***",
        "maintenance": false,
        "loglevel": 2,
        "allow_user_to_change_mail_address": ""
    }
}

Are you using external storage, if yes which one: local/smb/sftp/…

Are you using encryption: yes/no

Are you using an external user-backend, if yes which one: LDAP/ActiveDirectory/Webdav/…

Client configuration

Browser:
Firefox
Operating system:
Windows 10

Logs

Web server error log

{"reqId":"YrIy@jJd@1ZBbZdp5NW4QgAAAAo","level":0,"time":"2022-06-21T21:07:06+00:00","remoteAddr":"192.168.0.248","user":"mal_ownCloud","app":"OC\\User\\Session::validateToken","method":"POST","url":"\/index.php\/settings\/admin\/log\/level","message":"token c003860a7b638ac4c3e64e1f0833a3c07cb78e04d9239522e59e041eeb5ce6242a2df3a6a9ba2a5b0525ee90baa4f425325a8b316d850fbd83e55f2381c22ccf with token id 561 found, validating"}
{"reqId":"YrIy@jJd@1ZBbZdp5NW4QgAAAAo","level":0,"time":"2022-06-21T21:07:07+00:00","remoteAddr":"192.168.0.248","user":"mal_ownCloud","app":"OC\\User\\Session::validateToken","method":"POST","url":"\/index.php\/settings\/admin\/log\/level","message":"token c003860a7b638ac4c3e64e1f0833a3c07cb78e04d9239522e59e041eeb5ce6242a2df3a6a9ba2a5b0525ee90baa4f425325a8b316d850fbd83e55f2381c22ccf with token id 561 found, validating"}
{"reqId":"YrIy@jJd@1ZBbZdp5NW4QgAAAAo","level":0,"time":"2022-06-21T21:07:07+00:00","remoteAddr":"192.168.0.248","user":"mal_ownCloud","app":"OC\\User\\Session::validateToken","method":"POST","url":"\/index.php\/settings\/admin\/log\/level","message":"token c003860a7b638ac4c3e64e1f0833a3c07cb78e04d9239522e59e041eeb5ce6242a2df3a6a9ba2a5b0525ee90baa4f425325a8b316d850fbd83e55f2381c22ccf with token id 561 found, validating"}
{"reqId":"YrIy@jJd@1ZBbZdp5NW4QgAAAAo","level":0,"time":"2022-06-21T21:07:07+00:00","remoteAddr":"192.168.0.248","user":"mal_ownCloud","app":"OC\\User\\Session::validateToken","method":"POST","url":"\/index.php\/settings\/admin\/log\/level","message":"token c003860a7b638ac4c3e64e1f0833a3c07cb78e04d9239522e59e041eeb5ce6242a2df3a6a9ba2a5b0525ee90baa4f425325a8b316d850fbd83e55f2381c22ccf with token id 561 found, validating"}
{"reqId":"2ddc2f88-c964-4d1a-b7f4-dff192200cb2","level":0,"time":"2022-06-21T21:07:07+00:00","remoteAddr":"192.168.0.1","user":"mal_ownCloud","app":"OC\\Authentication\\Token\\DefaultTokenProvider::updateToken","method":"PROPFIND","url":"\/remote.php\/dav\/files\/mal_ownCloud\/Personal\/hobby\/planes\/Sonerai\/Flash%20drive%20OH-XPW\/Sonerai%20Files\/Sonerai%20aeroplane%20hood\/P1180020.JPG","message":"updating token 569, last check is now 1655845538"}
{"reqId":"2ddc2f88-c964-4d1a-b7f4-dff192200cb2","level":0,"time":"2022-06-21T21:07:07+00:00","remoteAddr":"192.168.0.1","user":"mal_ownCloud","app":"OC\\Authentication\\Token\\DefaultTokenProvider::getToken","method":"PROPFIND","url":"\/remote.php\/dav\/files\/mal_ownCloud\/Personal\/hobby\/planes\/Sonerai\/Flash%20drive%20OH-XPW\/Sonerai%20Files\/Sonerai%20aeroplane%20hood\/P1180020.JPG","message":"token 8070378a14c18063543cb424578001a1a8aed82b82734b670d803344018605d00bfb3a5918c76f430c258cef8bf54bb7a37bd2f7ffed77bf8ca3cc6c73e90d8a does not exist"}
{"reqId":"7aca5675-3990-4d13-bc4a-9a2323e745c0","level":0,"time":"2022-06-21T21:07:08+00:00","remoteAddr":"192.168.0.1","user":"mal_ownCloud","app":"OC\\Authentication\\Token\\DefaultTokenProvider::updateToken","method":"PROPFIND","url":"\/remote.php\/dav\/files\/mal_ownCloud\/Personal\/hobby\/planes\/Sonerai\/Flash%20drive%20OH-XPW\/Sonerai%20Files\/Sonerai%20aeroplane%20hood\/P3210032.JPG","message":"updating token 569, last check is now 1655845538"}
{"reqId":"7aca5675-3990-4d13-bc4a-9a2323e745c0","level":0,"time":"2022-06-21T21:07:08+00:00","remoteAddr":"192.168.0.1","user":"mal_ownCloud","app":"OC\\Authentication\\Token\\DefaultTokenProvider::getToken","method":"PROPFIND","url":"\/remote.php\/dav\/files\/mal_ownCloud\/Personal\/hobby\/planes\/Sonerai\/Flash%20drive%20OH-XPW\/Sonerai%20Files\/Sonerai%20aeroplane%20hood\/P3210032.JPG","message":"token 8070378a14c18063543cb424578001a1a8aed82b82734b670d803344018605d00bfb3a5918c76f430c258cef8bf54bb7a37bd2f7ffed77bf8ca3cc6c73e90d8a does not exist"}
{"reqId":"ce4af1df-09cb-4f78-9707-5a4eb644b615","level":0,"time":"2022-06-21T21:07:09+00:00","remoteAddr":"192.168.0.1","user":"mal_ownCloud","app":"OC\\Authentication\\Token\\DefaultTokenProvider::updateToken","method":"PROPFIND","url":"\/remote.php\/dav\/files\/mal_ownCloud\/Personal\/hobby\/planes\/Sonerai\/Flash%20drive%20OH-XPW\/Sonerai%20Files\/Sonerai%20aeroplane%20hood\/P3210033.JPG","message":"updating token 569, last check is now 1655845538"}
{"reqId":"ce4af1df-09cb-4f78-9707-5a4eb644b615","level":0,"time":"2022-06-21T21:07:09+00:00","remoteAddr":"192.168.0.1","user":"mal_ownCloud","app":"OC\\Authentication\\Token\\DefaultTokenProvider::getToken","method":"PROPFIND","url":"\/remote.php\/dav\/files\/mal_ownCloud\/Personal\/hobby\/planes\/Sonerai\/Flash%20drive%20OH-XPW\/Sonerai%20Files\/Sonerai%20aeroplane%20hood\/P3210033.JPG","message":"token 8070378a14c18063543cb424578001a1a8aed82b82734b670d803344018605d00bfb3a5918c76f430c258cef8bf54bb7a37bd2f7ffed77bf8ca3cc6c73e90d8a does not exist"}

ownCloud log (data/owncloud.log)

Missing at /var/www/owncloud/data

Browser log

Not relevant

2

Please use code blocks next time for a better readability.

3

I have the same problem. Using Mac Desktop Client (latest version).
Constant checking, sync and abort problems.

4

Something seems wrong with the DB… you might want to try to make a backup and then truncate or remove the data from the oc_authtoken table. The users will be forced to login again, but it’s the easiest solution if it works.

You might also want to check if the DB is in a read-only partition or something similar. It seems the DB isn’t updating the token for some reason.

You can also try to logout and login from the desktop client.

5 
MariaDB [owncloud]> DELETE FROM oc_authtoken
    -> ;
Query OK, 348 rows affected (0.345 sec)

Logged in and out. No effect. Totally removed the connection in the client and then added again and specified to sync in the same folder as previously. Chose to keep files locally. Sync is now ok. Some conflic versions here and there but easy to clean up.

6

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