cURL 28 error for richdocumentscode

Hallo,

I’m getting a cURL28 error every few hours (3-5 at the same time) after I installed built-in code server. Nextcloud Office seems to work without any problems. But the log is full of these errors… It does not appear while using Office, it appears sporadically, even at night when the server isn’t being used at all.
When I open the URL https://nc.myhost.net/apps/richdocumentscode/proxy.php?req=/hosting/capabilities I get
{“convert-to”:{“available”:true,“endpoint”:“/cool/convert-to”},“hasMobileSupport”:true,“hasProxyPrefix”:true,“hasTemplateSaveAs”:false,“hasTemplateSource”:true,“productName”:“Collabora Online Development Edition”,“productVersion”:“22.05.8.2”,“productVersionHash”:“a4b9c74”,“serverId”:“f3f549ab”}

Nextcloud Version is 25.0.1, CODE Server is 22.5.802.
Does anybody have an idea? Here the log:

[richdocuments] Fehler: GuzzleHttp\Exception\ConnectException: cURL error 28: Operation timed out after 45000 milliseconds with 0 bytes received (see libcurl - Error Codes) for https://nc.myhost.net/apps/richdocumentscode/proxy.php?req=/hosting/capabilities at <>

  1. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Handler/CurlFactory.php line 158
    GuzzleHttp\Handler\CurlFactory::createRejection()
  2. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Handler/CurlFactory.php line 110
    GuzzleHttp\Handler\CurlFactory::finishError()
  3. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Handler/CurlHandler.php line 47
    GuzzleHttp\Handler\CurlFactory::finish()
  4. /var/www/nextcloud/lib/private/Http/Client/DnsPinMiddleware.php line 113
    GuzzleHttp\Handler\CurlHandler->__invoke()
  5. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/PrepareBodyMiddleware.php line 35
    OC\Http\Client\DnsPinMiddleware->OC\Http\Client{closure}(“*** sensitive parameters replaced ***”)
  6. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Middleware.php line 31
    GuzzleHttp\PrepareBodyMiddleware->__invoke()
  7. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/RedirectMiddleware.php line 71
    GuzzleHttp\Middleware::GuzzleHttp{closure}(“*** sensitive parameters replaced ***”)
  8. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Middleware.php line 63
    GuzzleHttp\RedirectMiddleware->__invoke()
  9. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/HandlerStack.php line 75
    GuzzleHttp\Middleware::GuzzleHttp{closure}(“*** sensitive parameters replaced ***”)
  10. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Client.php line 331
    GuzzleHttp\HandlerStack->__invoke()
  11. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Client.php line 168
    GuzzleHttp\Client->transfer()
  12. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Client.php line 187
    GuzzleHttp\Client->requestAsync()
  13. /var/www/nextcloud/lib/private/Http/Client/Client.php line 218
    GuzzleHttp\Client->request()
  14. /var/www/nextcloud/apps/richdocuments/lib/Service/CapabilitiesService.php line 131
    OC\Http\Client\Client->get()
  15. /var/www/nextcloud/apps/richdocuments/lib/AppInfo/Application.php line 206
    OCA\Richdocuments\Service\CapabilitiesService->refetch()
  16. /var/www/nextcloud/apps/richdocuments/lib/AppInfo/Application.php line 138
    OCA\Richdocuments\AppInfo\Application->checkAndEnableCODEServer()
  17. /var/www/nextcloud/lib/private/AppFramework/Bootstrap/Coordinator.php line 190
    OCA\Richdocuments\AppInfo\Application->boot()
  18. /var/www/nextcloud/lib/private/legacy/OC_App.php line 208
    OC\AppFramework\Bootstrap\Coordinator->bootApp()
  19. /var/www/nextcloud/lib/private/legacy/OC_App.php line 141
    OC_App::loadApp()
  20. /var/www/nextcloud/lib/base.php line 1045
    OC_App::loadApps()
  21. /var/www/nextcloud/index.php line 36
    OC::handleRequest()

GET /index.php/204
from X.X.X.X at 2022-11-27T16:40:48+01:00

hi,

i have exactly the same Error.

[no app in context] Fehler: Exception: The arguments array must contain 2 items, 1 given in file '/var/www/nextcloud/lib/private/L10N/L10NString.php' line 88 at <<closure>>

0. /var/www/nextcloud/lib/private/AppFramework/App.php line 172
   OC\AppFramework\Http\Dispatcher->dispatch()
1. /var/www/nextcloud/lib/private/Route/Router.php line 298
   OC\AppFramework\App::main()
2. /var/www/nextcloud/ocs/v1.php line 63
   OC\Route\Router->match()
3. /var/www/nextcloud/ocs/v2.php line 23
   require_once("/var/www/nextcloud/ocs/v1.php")

GET /ocs/v2.php/apps/notifications/api/v2/notifications?format=json
from 2003:f9:5711:5c00:30dd:c87a:ceb:ed6d by lars at 2023-01-21T06:19:25+00:00

and this error from richdocuments

[richdocuments] Fehler: GuzzleHttp\Exception\ConnectException: cURL error 28: Operation timed out after 45000 milliseconds with 0 bytes received (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://cloud.dasnetzundich.de/apps/richdocumentscode/proxy.php?req=/hosting/capabilities at <<closure>>

 0. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Handler/CurlFactory.php line 158
    GuzzleHttp\Handler\CurlFactory::createRejection()
 1. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Handler/CurlFactory.php line 110
    GuzzleHttp\Handler\CurlFactory::finishError()
 2. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Handler/CurlHandler.php line 47
    GuzzleHttp\Handler\CurlFactory::finish()
 3. /var/www/nextcloud/lib/private/Http/Client/DnsPinMiddleware.php line 113
    GuzzleHttp\Handler\CurlHandler->__invoke()
 4. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/PrepareBodyMiddleware.php line 35
    OC\Http\Client\DnsPinMiddleware->OC\Http\Client\{closure}("*** sensitive parameters replaced ***")
 5. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Middleware.php line 31
    GuzzleHttp\PrepareBodyMiddleware->__invoke()
 6. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/RedirectMiddleware.php line 71
    GuzzleHttp\Middleware::GuzzleHttp\{closure}("*** sensitive parameters replaced ***")
 7. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Middleware.php line 63
    GuzzleHttp\RedirectMiddleware->__invoke()
 8. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/HandlerStack.php line 75
    GuzzleHttp\Middleware::GuzzleHttp\{closure}("*** sensitive parameters replaced ***")
 9. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Client.php line 331
    GuzzleHttp\HandlerStack->__invoke()
10. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Client.php line 168
    GuzzleHttp\Client->transfer()
11. /var/www/nextcloud/3rdparty/guzzlehttp/guzzle/src/Client.php line 187
    GuzzleHttp\Client->requestAsync()
12. /var/www/nextcloud/lib/private/Http/Client/Client.php line 218
    GuzzleHttp\Client->request()
13. /var/www/nextcloud/apps/richdocuments/lib/Service/CapabilitiesService.php line 136
    OC\Http\Client\Client->get()
14. /var/www/nextcloud/apps/richdocuments/lib/Service/CapabilitiesService.php line 74
    OCA\Richdocuments\Service\CapabilitiesService->refetch()
15. /var/www/nextcloud/apps/richdocuments/lib/AppInfo/Application.php line 80
    OCA\Richdocuments\Service\CapabilitiesService->getCapabilities()
16. /var/www/nextcloud/lib/private/AppFramework/Bootstrap/FunctionInjector.php line 67
    OCA\Richdocuments\AppInfo\Application->OCA\Richdocuments\AppInfo\{closure}("*** sensitive parameters replaced ***")
17. /var/www/nextcloud/lib/private/AppFramework/Bootstrap/BootContext.php line 51
    OC\AppFramework\Bootstrap\FunctionInjector->injectFn()
18. /var/www/nextcloud/apps/richdocuments/lib/AppInfo/Application.php line 135
    OC\AppFramework\Bootstrap\BootContext->injectFn()
19. /var/www/nextcloud/lib/private/AppFramework/Bootstrap/Coordinator.php line 190
    OCA\Richdocuments\AppInfo\Application->boot()
20. /var/www/nextcloud/lib/private/legacy/OC_App.php line 208
    OC\AppFramework\Bootstrap\Coordinator->bootApp()
21. /var/www/nextcloud/lib/private/legacy/OC_App.php line 141
    OC_App::loadApp()
22. /var/www/nextcloud/lib/base.php line 1027
    OC_App::loadApps()
23. /var/www/nextcloud/index.php line 36
    OC::handleRequest()

POST /apps/notify_push/pre_auth
from 2003:f9:5711:5c00:30dd:c87a:ceb:ed6d by lars at 2023-01-21T06:18:26+00:00