Nextcloud log getting spammed every 30 secs with user login exception

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Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can :heart:

Nextcloud version (eg, 12.0.2): 14.04
Operating system and version (eg, Ubuntu 17.04): Ubuntu Server 16.04.5 LTS
Apache or nginx version (eg, Apache 2.4.25): 2.4.18
PHP version (eg, 7.1):PHP 7.0.32-0ubuntu0.16.04.1 (cli) ( NTS )

The issue you are facing:I am running Nextcloud as a virtual Linux server on a Window 2016 Hyper-V platform along with two additional Nextcloud servers. When accessing the Nextcloud logs on this particular server I see that there is a constant stream of user exception logs every 30 secs.
Apart from this annoying issue the server is working fine with 30+ users
I cannot identify the issue and would like to request help from anyone who can shed some light on the possible cause of the problem.

Is this the first time you’ve seen this error? (Y/N): No, it was occurring under Nextcloud 13 and I had hoped the upgrade to 14 would resolve the problem but sadly not

Steps to replicate it:

  1. Access web interface
  2. View logs via Administration/Logging page

The output of your Nextcloud log in Admin > Logging:

{"reqId":"XDDNkgoACgoAANCJm@sAAAAD","level":3,"time":"2019-01-05T15:30:26+00:00","remoteAddr":"90.243.33.75","user":"--","app":"no app in context","method":"PROPFIND","url":"\/nextcloud\/remote.php\/webdav\/","message":{"Exception":"OC\\User\\LoginException","Message":"User disabled","Code":0,"Trace":[{"file":"\/var\/www\/nextcloud\/lib\/private\/User\/Session.php","line":576,"function":"completeLogin","class":"OC\\User\\Session","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/lib\/private\/User\/Session.php","line":338,"function":"loginWithPassword","class":"OC\\User\\Session","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/lib\/private\/User\/Session.php","line":420,"function":"login","class":"OC\\User\\Session","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/lib\/Connector\/Sabre\/Auth.php","line":130,"function":"logClientIn","class":"OC\\User\\Session","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Backend\/AbstractBasic.php","line":105,"function":"validateUserPass","class":"OCA\\DAV\\Connector\\Sabre\\Auth","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/lib\/Connector\/Sabre\/Auth.php","line":253,"function":"check","class":"Sabre\\DAV\\Auth\\Backend\\AbstractBasic","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/lib\/Connector\/Sabre\/Auth.php","line":155,"function":"auth","class":"OCA\\DAV\\Connector\\Sabre\\Auth","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Plugin.php","line":201,"function":"check","class":"OCA\\DAV\\Connector\\Sabre\\Auth","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Plugin.php","line":150,"function":"check","class":"Sabre\\DAV\\Auth\\Plugin","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"function":"beforeMethod","class":"Sabre\\DAV\\Auth\\Plugin","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/event\/lib\/EventEmitterTrait.php","line":105,"function":"call_user_func_array","args":[[{"autoRequireLogin":true,"__class__":"Sabre\\DAV\\Auth\\Plugin"},"beforeMethod"],[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php","line":466,"function":"emit","class":"Sabre\\Event\\EventEmitter","type":"->","args":["beforeMethod",[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php","line":254,"function":"invokeMethod","class":"Sabre\\DAV\\Server","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/appinfo\/v1\/webdav.php","line":80,"function":"exec","class":"Sabre\\DAV\\Server","type":"->","args":[]},{"file":"\/var\/www\/nextcloud\/remote.php","line":163,"args":["\/var\/www\/nextcloud\/apps\/dav\/appinfo\/v1\/webdav.php"],"function":"require_once"}],"File":"\/var\/www\/nextcloud\/lib\/private\/User\/Session.php","Line":353,"CustomMessage":"--"},"userAgent":"Mozilla\/5.0 (Windows) mirall\/2.3.3 (build 1) (Nextcloud)","version":"14.0.4.2"}

{"reqId":"XDDNkgoACgoAANCJm@sAAAAD","level":4,"time":"2019-01-05T15:30:26+00:00","remoteAddr":"90.243.33.75","user":"--","app":"webdav","method":"PROPFIND","url":"\/nextcloud\/remote.php\/webdav\/","message":{"Exception":"Sabre\\DAV\\Exception\\ServiceUnavailable","Message":"OC\\User\\LoginException: User disabled","Code":0,"Trace":[{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Plugin.php","line":201,"function":"check","class":"OCA\\DAV\\Connector\\Sabre\\Auth","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Plugin.php","line":150,"function":"check","class":"Sabre\\DAV\\Auth\\Plugin","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"function":"beforeMethod","class":"Sabre\\DAV\\Auth\\Plugin","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/event\/lib\/EventEmitterTrait.php","line":105,"function":"call_user_func_array","args":[[{"autoRequireLogin":true,"__class__":"Sabre\\DAV\\Auth\\Plugin"},"beforeMethod"],[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php","line":466,"function":"emit","class":"Sabre\\Event\\EventEmitter","type":"->","args":["beforeMethod",[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php","line":254,"function":"invokeMethod","class":"Sabre\\DAV\\Server","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/appinfo\/v1\/webdav.php","line":80,"function":"exec","class":"Sabre\\DAV\\Server","type":"->","args":[]},{"file":"\/var\/www\/nextcloud\/remote.php","line":163,"args":["\/var\/www\/nextcloud\/apps\/dav\/appinfo\/v1\/webdav.php"],"function":"require_once"}],"File":"\/var\/www\/nextcloud\/apps\/dav\/lib\/Connector\/Sabre\/Auth.php","Line":162,"CustomMessage":"--"},"userAgent":"Mozilla\/5.0 (Windows) mirall\/2.3.3 (build 1) (Nextcloud)","version":"14.0.4.2"}

{"reqId":"XDDNsgoACgoAANCJm@0AAAAD","level":3,"time":"2019-01-05T15:30:58+00:00","remoteAddr":"90.243.33.75","user":"--","app":"no app in context","method":"PROPFIND","url":"\/nextcloud\/remote.php\/webdav\/","message":{"Exception":"OC\\User\\LoginException","Message":"User disabled","Code":0,"Trace":[{"file":"\/var\/www\/nextcloud\/lib\/private\/User\/Session.php","line":576,"function":"completeLogin","class":"OC\\User\\Session","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/lib\/private\/User\/Session.php","line":338,"function":"loginWithPassword","class":"OC\\User\\Session","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/lib\/private\/User\/Session.php","line":420,"function":"login","class":"OC\\User\\Session","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/lib\/Connector\/Sabre\/Auth.php","line":130,"function":"logClientIn","class":"OC\\User\\Session","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Backend\/AbstractBasic.php","line":105,"function":"validateUserPass","class":"OCA\\DAV\\Connector\\Sabre\\Auth","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/lib\/Connector\/Sabre\/Auth.php","line":253,"function":"check","class":"Sabre\\DAV\\Auth\\Backend\\AbstractBasic","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/lib\/Connector\/Sabre\/Auth.php","line":155,"function":"auth","class":"OCA\\DAV\\Connector\\Sabre\\Auth","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Plugin.php","line":201,"function":"check","class":"OCA\\DAV\\Connector\\Sabre\\Auth","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Plugin.php","line":150,"function":"check","class":"Sabre\\DAV\\Auth\\Plugin","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"function":"beforeMethod","class":"Sabre\\DAV\\Auth\\Plugin","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/event\/lib\/EventEmitterTrait.php","line":105,"function":"call_user_func_array","args":[[{"autoRequireLogin":true,"__class__":"Sabre\\DAV\\Auth\\Plugin"},"beforeMethod"],[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php","line":466,"function":"emit","class":"Sabre\\Event\\EventEmitter","type":"->","args":["beforeMethod",[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php","line":254,"function":"invokeMethod","class":"Sabre\\DAV\\Server","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/appinfo\/v1\/webdav.php","line":80,"function":"exec","class":"Sabre\\DAV\\Server","type":"->","args":[]},{"file":"\/var\/www\/nextcloud\/remote.php","line":163,"args":["\/var\/www\/nextcloud\/apps\/dav\/appinfo\/v1\/webdav.php"],"function":"require_once"}],"File":"\/var\/www\/nextcloud\/lib\/private\/User\/Session.php","Line":353,"CustomMessage":"--"},"userAgent":"Mozilla\/5.0 (Windows) mirall\/2.3.3 (build 1) (Nextcloud)","version":"14.0.4.2"}

{"reqId":"XDDNsgoACgoAANCJm@0AAAAD","level":4,"time":"2019-01-05T15:30:58+00:00","remoteAddr":"90.243.33.75","user":"--","app":"webdav","method":"PROPFIND","url":"\/nextcloud\/remote.php\/webdav\/","message":{"Exception":"Sabre\\DAV\\Exception\\ServiceUnavailable","Message":"OC\\User\\LoginException: User disabled","Code":0,"Trace":[{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Plugin.php","line":201,"function":"check","class":"OCA\\DAV\\Connector\\Sabre\\Auth","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Plugin.php","line":150,"function":"check","class":"Sabre\\DAV\\Auth\\Plugin","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"function":"beforeMethod","class":"Sabre\\DAV\\Auth\\Plugin","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/event\/lib\/EventEmitterTrait.php","line":105,"function":"call_user_func_array","args":[[{"autoRequireLogin":true,"__class__":"Sabre\\DAV\\Auth\\Plugin"},"beforeMethod"],[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php","line":466,"function":"emit","class":"Sabre\\Event\\EventEmitter","type":"->","args":["beforeMethod",[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php","line":254,"function":"invokeMethod","class":"Sabre\\DAV\\Server","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/appinfo\/v1\/webdav.php","line":80,"function":"exec","class":"Sabre\\DAV\\Server","type":"->","args":[]},{"file":"\/var\/www\/nextcloud\/remote.php","line":163,"args":["\/var\/www\/nextcloud\/apps\/dav\/appinfo\/v1\/webdav.php"],"function":"require_once"}],"File":"\/var\/www\/nextcloud\/apps\/dav\/lib\/Connector\/Sabre\/Auth.php","Line":162,"CustomMessage":"--"},"userAgent":"Mozilla\/5.0 (Windows) mirall\/2.3.3 (build 1) (Nextcloud)","version":"14.0.4.2"}

{"reqId":"XDDN0goACgoAANDSyQkAAAAL","level":3,"time":"2019-01-05T15:31:30+00:00","remoteAddr":"90.243.33.75","user":"--","app":"no app in context","method":"PROPFIND","url":"\/nextcloud\/remote.php\/webdav\/","message":{"Exception":"OC\\User\\LoginException","Message":"User disabled","Code":0,"Trace":[{"file":"\/var\/www\/nextcloud\/lib\/private\/User\/Session.php","line":576,"function":"completeLogin","class":"OC\\User\\Session","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/lib\/private\/User\/Session.php","line":338,"function":"loginWithPassword","class":"OC\\User\\Session","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/lib\/private\/User\/Session.php","line":420,"function":"login","class":"OC\\User\\Session","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/lib\/Connector\/Sabre\/Auth.php","line":130,"function":"logClientIn","class":"OC\\User\\Session","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Backend\/AbstractBasic.php","line":105,"function":"validateUserPass","class":"OCA\\DAV\\Connector\\Sabre\\Auth","type":"->","args":["*** sensitive parameters replaced ***"]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/lib\/Connector\/Sabre\/Auth.php","line":253,"function":"check","class":"Sabre\\DAV\\Auth\\Backend\\AbstractBasic","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/lib\/Connector\/Sabre\/Auth.php","line":155,"function":"auth","class":"OCA\\DAV\\Connector\\Sabre\\Auth","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Plugin.php","line":201,"function":"check","class":"OCA\\DAV\\Connector\\Sabre\\Auth","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Auth\/Plugin.php","line":150,"function":"check","class":"Sabre\\DAV\\Auth\\Plugin","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"function":"beforeMethod","class":"Sabre\\DAV\\Auth\\Plugin","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/event\/lib\/EventEmitterTrait.php","line":105,"function":"call_user_func_array","args":[[{"autoRequireLogin":true,"__class__":"Sabre\\DAV\\Auth\\Plugin"},"beforeMethod"],[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php","line":466,"function":"emit","class":"Sabre\\Event\\EventEmitter","type":"->","args":["beforeMethod",[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]]},{"file":"\/var\/www\/nextcloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php","line":254,"function":"invokeMethod","class":"Sabre\\DAV\\Server","type":"->","args":[{"absoluteUrl":"https:\/\/my.server.address\/nextcloud\/remote.php\/webdav\/","__class__":"Sabre\\HTTP\\Request"},{"__class__":"Sabre\\HTTP\\Response"}]},{"file":"\/var\/www\/nextcloud\/apps\/dav\/appinfo\/v1\/webdav.php","line":80,"function":"exec","class":"Sabre\\DAV\\Server","type":"->","args":[]},{"file":"\/var\/www\/nextcloud\/remote.php","line":163,"args":["\/var\/www\/nextcloud\/apps\/dav\/appinfo\/v1\/webdav.php"],"function":"require_once"}],"File":"\/var\/www\/nextcloud\/lib\/private\/User\/Session.php","Line":353,"CustomMessage":"--"},"userAgent":"Mozilla\/5.0 (Windows) mirall\/2.3.3 (build 1) (Nextcloud)","version":"14.0.4.2"}

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):

$CONFIG = array (
  'instanceid' => '*******************',
  'passwordsalt' => '********************************',
  'secret' => '*******************************************',
  'trusted_domains' =>
  array (
    0 => '*******************',
    1 => '10.*.*.*',
  ),
  'datadirectory' => '/mnt/*********/nextcloud',
  'overwrite.cli.url' => 'https://***********/nextcloud',
  'htaccess.RewriteBase' => '/nextcloud',
  'dbtype' => 'mysql',
  'version' => '14.0.4.2',
  'dbname' => 'nextcloud',
  'dbhost' => 'localhost',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'dbuser' => '*************',
  'dbpassword' => '************',
  'logtimezone' => 'UTC',
  'maintenance' => false,
  'installed' => true,
  'knowledgebaseenabled' => true,
  'memcache.local' => '\\OC\\Memcache\\APCu',
  'filelocking.enabled' => 'true',
  'memcache.locking' => '\\OC\\Memcache\\Redis',
  'redis' =>
  array (
    'host' => '/var/run/redis/redis.sock',
    'port' => 0,
    'timeout' => 0.0,
    'dbindex' => 0,
  ),
  'mail_smtpmode' => 'smtp',
  'mail_smtpsecure' => 'tls',
  'mail_from_address' => '******',
  'mail_domain' => '*********',
  'mail_smtpauthtype' => 'LOGIN',
  'mail_smtpauth' => 1,
  'mail_smtphost' => '**************',
  'mail_smtpport' => '********',
  'mail_smtpname' => '*************',
  'mail_smtppassword' => '***************',
  'loglevel' => 2,
'logfile' => '/var/nc_logs/nextcloud.log',
  'log_rotate_size' => 1048576,
  'enabledPreviewProviders' =>
  array (
    0 => 'OC\\Preview\\PNG',
    1 => 'OC\\Preview\\JPEG',
    2 => 'OC\\Preview\\GIF',
    3 => 'OC\\Preview\\BMP',
    4 => 'OC\\Preview\\XBitmap',
    5 => 'OC\\Preview\\MarkDown',
    6 => 'OC\\Preview\\MP3',
    7 => 'OC\\Preview\\TXT',
    8 => 'OC\\Preview\\Movie',
  ),
  'theme' => '',
  'updater.release.channel' => 'stable',
);

The output of your Apache/nginx/system log in /var/log/____:

[Fri Jan 04 06:25:10.000956 2019] [mpm_prefork:notice] [pid 1608] AH00163: Apache/2.4.18 (Ubuntu) OpenSSL/1.0.2g configured -- resuming normal
operations
[Fri Jan 04 06:25:10.000977 2019] [core:notice] [pid 1608] AH00094: Command line: '/usr/sbin/apache2'
[Fri Jan 04 09:13:58.261929 2019] [autoindex:error] [pid 31732] [client 81.156.181.231:54439] AH01276: Cannot serve directory /var/www/: No mat
ching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm) found, and server-generated directory index forbidden by O
ptions directive
[Fri Jan 04 09:13:59.657614 2019] [autoindex:error] [pid 31732] [client 81.156.181.231:54439] AH01276: Cannot serve directory /var/www/: No mat
ching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm) found, and server-generated directory index forbidden by O
ptions directive
[Fri Jan 04 09:16:14.835282 2019] [autoindex:error] [pid 29446] [client 81.156.181.231:54446] AH01276: Cannot serve directory /var/www/: No mat
ching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm) found, and server-generated directory index forbidden by O
ptions directive
[Fri Jan 04 10:17:03.573658 2019] [autoindex:error] [pid 29449] [client 217.33.222.202:50133] AH01276: Cannot serve directory /var/www/nextclou
d: No matching DirectoryIndex (none) found, and server-generated directory index forbidden by Options directive
[Fri Jan 04 16:55:16.643053 2019] [autoindex:error] [pid 34716] [client 184.105.247.195:35984] AH01276: Cannot serve directory /var/www/: No ma
tching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm) found, and server-generated directory index forbidden by
Options directive
[Fri Jan 04 21:59:00.658975 2019] [autoindex:error] [pid 40257] [client 146.200.1.82:55055] AH01276: Cannot serve directory /var/www/: No match
ing DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm) found, and server-generated directory index forbidden by Opt
ions directive
[Fri Jan 04 23:12:06.664193 2019] [autoindex:error] [pid 34716] [client 198.20.103.180:55654] AH01276: Cannot serve directory /var/www/: No mat
ching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm) found, and server-generated directory index forbidden by O
ptions directive
[Sat Jan 05 06:25:09.282025 2019] [mpm_prefork:notice] [pid 1608] AH00171: Graceful restart requested, doing restart

Hi Community,
Am I the only one to experience this issue? It must be a rare event but unless I have some major configuration issue, I am suprised no one has comments thus far.

Any advice gratefully recieved, thank you

1 Like

remoteAddr":“90.243.33.75”
“Exception”:“OC\User\LoginException”,“Message”:“User disabled”,
“absoluteUrl”:“https://my.server.address/nextcloud/remote.php/webdav/

Well, looking at the error message, of course no one else is seeing this.
Obviously webdav probably by smartphone or desktop app (synching of files/ contacts/ calendar). IP to help you find the device. And the reason for that error: the device is configured to login with a user account which has been disabled already.
So what else do you need there? :sweat_smile:

Hi Schmu,

Thanks for your response. I will have a look at the address and see if I can track it down.
I really appreciate your response but please don’t use words like ‘obviously’ and ‘of course’ as I can assure you very little of trying to interpret linux logs is obvious to a non professional IT man like me.
Everyday is a learning curve for me! Thanks again

2 Likes

I face the same issue, it would be helpful to at least temporarily see the sensitive data (username) in the log in order to identify and notify the user.

The thread is old, but any news?

Hi fwolfst,
l tracked it down to a collegues iPhone 4g ip address, so nothing suspicious. They had legitemate access to my server as a user.

Thanks for the reply! That seems to be a valid approach, but in my case tracking down the IP (or rather which user is “behind” that IP) is rather difficult/impossible.