In order to help you as quickly as possible, before clicking Create Topic please provide as much of the following as you can (you can cut and paste this into your topic):
Nextcloud version (eg, 10.0.2): 11.0.3
Operating system and version (eg, Ubuntu 16.04): Ubuntu-Server 16.04 LTS
Apache or nginx version (eg, Apache 2.4.25): Apache 2.4.18
PHP version (eg, 5.6): 7.0.15
Is this the first time you’ve seen this error?: No, it is not the first time, it happened a few times this week…
Can you reliably replicate it? (If so, please outline steps): No, I am not able to replicate it, it is a temporarily error, that happens a few times a day.
The issue you are facing:
My NextCloud-Instance throws this PHP-Error a few times a day
The output of your Nextcloud log in Admin > Logging:
Error PHP
Uncaught Error: Access to undeclared static property: OC\Files\Filesystem::$normalizedPathCache in /var/www/nextcloud/lib/private/Files/Filesystem.php:806 Stack trace: #0 /var/www/nextcloud/lib/private/Files/View.php(2018): OC\Files\Filesystem::normalizePath(’/xxxxxx/files/…’) #1 /var/www/nextcloud/lib/private/Files/View.php(1156): OC\Files\View->unlockFile(’/xxxxxxxxx’, 1) #2 [internal function]: OC\Files\View->OC\Files{closure}() #3 /var/www/nextcloud/3rdparty/icewind/streams/src/CallbackWrapper.php(109): call_user_func(Object(Closure)) #4 [internal function]: Icewind\Streams\CallbackWrapper->stream_close() #5 {main} thrown at /var/www/nextcloud/lib/private/Files/Filesystem.php#806
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php $CONFIG = array ( 'instanceid' => 'xxxxx', 'passwordsalt' => 'xxxxxxx', 'secret' => 'xxxxxxxxxx', 'trusted_domains' => array ( 0 => 'xxxxxx', 1 => 'xxxxxxx', 2 => 'xxxxxxxx', 3 => 'xxxxxxxxxx', ), 'datadirectory' => '/backup/data', 'overwrite.cli.url' => 'https://xxxxxxxxxxxx/owncloud', 'dbtype' => 'mysql', 'version' => '11.0.2.7', 'dbname' => 'xxxxxxxxxx', 'dbhost' => 'xxxxxxxxxxxx', 'dbtableprefix' => 'oc_', 'dbuser' => 'owncloud', 'dbpassword' => 'xxxxxxxxxxxx', 'logtimezone' => 'UTC', 'installed' => true, 'loglevel' => 2, 'mail_smtpmode' => 'smtp', 'mail_from_address' => 'xxxxxxxxx', 'mail_domain' => 'xxxxxxxxxx', 'mail_smtphost' => '192.168.110.7', 'mail_smtpport' => '25', 'theme' => '', 'maintenance' => false, 'memcache.local' => '\OC\Memcache\APCu', ); The output of your Apache/nginx/system log in /var/log/____: [Tue Apr 25 07:33:13.618765 2017] [ssl:warn] [pid 3035] AH01909: 127.0.1.1:443:0 server certificate does NOT include an ID which matches the server name [Tue Apr 25 07:33:13.618958 2017] [mpm_prefork:notice] [pid 3035] AH00163: Apache/2.4.18 (Ubuntu) OpenSSL/1.0.2g configured -- resuming normal operations [Tue Apr 25 07:33:13.618968 2017] [core:notice] [pid 3035] AH00094: Command line: '/usr/sbin/apache2' [Tue Apr 25 07:59:48.910099 2017] [:error] [pid 3962] [clientxxxxxxxx] PHP Fatal error: Uncaught Error: Access to undeclared static property: OC\\Files\\Filesystem::$normalizedPathCache in /var/www/nextcloud/lib/private/Files/Filesystem.php:806\nStack trace:\n#0 /var/www/nextcloud/lib/private/Files/View.php(2018): OC\\Files\\Filesystem::normalizePath('/benedikt/files...')\n#1 /var/www/nextcloud/lib/private/Files/View.php(1156): OC\\Files\\View->unlockFile('/!Marketing Hir...', 1)\n#2 [internal function]: OC\\Files\\View->OC\\Files\\{closure}()\n#3 /var/www/nextcloud/3rdparty/icewind/streams/src/CallbackWrapper.php(109): call_user_func(Object(Closure))\n#4 [internal function]: Icewind\\Streams\\CallbackWrapper->stream_close()\n#5 {main}\n thrown in /var/www/nextcloud/lib/private/Files/Filesystem.php on line 806