Please help us by providing the following info. Before posting please also check the pinned "Known issues" threads and make sure that you're running the latest available version for your oC release: https://owncloud.org/changelog/
Steps to reproduce
1.update and reboot client, clear cache
2.Click on icon and click on open open owncloud in browser
3.Wait for the browser window to open.
Expected behaviour
Tell us what should happen
The connection to the server and login window should appear in a short period of time.
The credentials user-name and password input.
Connection to the host server made.
Actual behaviour
Tell us what happens instead
The icon shows a green check on one client (laptop) and goes grey.
The icon shows a green check on another client (desktop) and goes grey.
The client makes connection with the server and takes a long time to connect.
The client reads "Problem loading page, reloading in 5 seconds".
The reload takes much longer than 5 seconds and fails.
The icon green check-mark goes on and off every few seconds.
Server configuration
Operating system: Linux Ubuntu 16.04
Web server: ?
Database: ?
PHP version: ?
ownCloud version (see ownCloud admin page):
Updated from an older ownCloud or fresh install: updated on 20 April 2017
Special configuration (external storage, external authentication, reverse proxy, server-side-encryption): none
ownCloud configuration
Go to the admin page, click on 'admin' -> 'Generate Config Report' -> 'Download ownCloud config report' or use the command line `sudo -u www-data php occ config:list system` (please sanitize sensitive data):ownCloud log (data/owncloud.log)
Please paste possible errors in the following code block, see https://central.owncloud.org/t/how-to-find-webserver-or-oc-logfile-enable-php-logfile/808 for more info
Integrity status for oC9+
[code]
Login as admin user into your ownCloud and access
http://example.com/index.php/settings/integrity/failed
paste the results here.
Exception: {"Message":"HTTP\/1.1 503 System in maintenance mode.","Exception":"Sabre\DAV\Exception\ServiceUnavailable","Code":0,"Trace":"#0 [internal function]: OCA\DAV\Connector\Sabre\MaintenancePlugin->checkMaintenanceMode(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))\n#1 \/var\/www\/owncloud\/3rdparty\/sabre\/event\/lib\/EventEmitterTrait.php(105): call_user_func_array(Array, Array)\n#2 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php(446): Sabre\Event\EventEmitter->emit('beforeMethod', Array)\n#3 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php(248): Sabre\DAV\Server->invokeMethod(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))\n#4 \/var\/www\/owncloud\/apps\/dav\/appinfo\/v1\/webdav.php(61): Sabre\DAV\Server->exec()\n#5 \/var\/www\/owncloud\/remote.php(164): require_once('\/var\/www\/ownclo...')\n#6 {main}","File":"\/var\/www\/owncloud\/apps\/dav\/lib\/Connector\/Sabre\/MaintenancePlugin.php","Line":84,"User":"my user name"}
Exception: {"Message":"HTTP\/1.1 503 System in maintenance mode.","Exception":"Sabre\DAV\Exception\ServiceUnavailable","Code":0,"Trace":"#0 [internal function]: OCA\DAV\Connector\Sabre\MaintenancePlugin->checkMaintenanceMode(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))\n#1 \/var\/www\/owncloud\/3rdparty\/sabre\/event\/lib\/EventEmitterTrait.php(105): call_user_func_array(Array, Array)\n#2 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php(446): Sabre\Event\EventEmitter->emit('beforeMethod', Array)\n#3 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php(248): Sabre\DAV\Server->invokeMethod(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))\n#4 \/var\/www\/owncloud\/apps\/dav\/appinfo\/v1\/webdav.php(61): Sabre\DAV\Server->exec()\n#5 \/var\/www\/owncloud\/remote.php(164): require_once('\/var\/www\/ownclo...')\n#6 {main}","File":"\/var\/www\/owncloud\/apps\/dav\/lib\/Connector\/Sabre\/MaintenancePlugin.php","Line":84,"User":"my user name"}
Exception: {"Message":"HTTP\/1.1 503 System in maintenance mode.","Exception":"Sabre\DAV\Exception\ServiceUnavailable","Code":0,"Trace":"#0 [internal function]: OCA\DAV\Connector\Sabre\MaintenancePlugin->checkMaintenanceMode(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))\n#1 \/var\/www\/owncloud\/3rdparty\/sabre\/event\/lib\/EventEmitterTrait.php(105): call_user_func_array(Array, Array)\n#2 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php(446): Sabre\Event\EventEmitter->emit('beforeMethod', Array)\n#3 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php(248): Sabre\DAV\Server->invokeMethod(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))\n#4 \/var\/www\/owncloud\/apps\/dav\/appinfo\/v1\/webdav.php(61): Sabre\DAV\Server->exec()\n#5 \/var\/www\/owncloud\/remote.php(164): require_once('\/var\/www\/ownclo...')\n#6 {main}","File":"\/var\/www\/owncloud\/apps\/dav\/lib\/Connector\/Sabre\/MaintenancePlugin.php","Line":84,"User":"my user name"}