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example
Or for longer, use three backticks above and below the code snippet:
longer
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Nextcloud version: 15.0.8.1
Operating system and version: _Ubuntu 18.04.02
Apache or nginx version: nginx 1.14.0-0ubuntu1.6
PHP version: 7.2+60ubuntu1
The issue you are facing:
Is this the first time you’ve seen this error? (Y/N): Y
Steps to replicate it:
- Acccess the nextcloud URL
- With Chrome, not even login page appears
- With Chrome Incognito, you can login but it says “Problem while loading page; will be reloaded in 5 seconds” (translated from German)
- Then, user is logged out.
The output of your Nextcloud log in Admin > Logging:
No browser access possible; nextcloud.log has the following (formatted for better viewing, slightly redacted to hide exact domain name and IP addresses).
{
"reqId": "qdsQ6zL176x0JevYuWLW",
"level": 3,
"time": "2019-10-31T12:01:05+00:00",
"remoteAddr": "27.3.8.7",
"user": "--",
"app": "index",
"method": "GET",
"url": "\/core\/preview?fileId=176295&c=03cfb6957afe6966f9e92a026ebed7cf&x=401&y=401&forceIcon=0",
"message":
{
"Exception": "TypeError",
"Message": "Argument 5 passed to OC\\Core\\Controller\\PreviewController::__construct() must be of the type string, null given",
"Code": 0,
"Trace":
[
{
"function": "__construct",
"class": "OC\\Core\\Controller\\PreviewController",
"type": "->",
"args":
[
"core",
{ "__class__": "OC\\AppFramework\\Http\\Request" },
{ "__class__": "OC\\PreviewManager" },
{ "__class__": "OC\\Files\\Node\\LazyRoot" },
null,
{ "__class__": "OC\\AppFramework\\Utility\\TimeFactory" },
],
},
{
"file": "\/z\/www\/nextcloud\/cloud.example.com\/php\/lib\/private\/AppFramework\/Utility\/SimpleContainer.php",
"line": 81,
"function": "newInstanceArgs",
"class": "ReflectionClass",
"type": "->",
"args":
[
[
"core",
{ "__class__": "OC\\AppFramework\\Http\\Request" },
{ "__class__": "OC\\PreviewManager" },
{ "__class__": "OC\\Files\\Node\\LazyRoot" },
null,
{ "__class__": "OC\\AppFramework\\Utility\\TimeFactory" },
],
],
},
{
"file": "\/z\/www\/nextcloud\/cloud.example.com\/php\/lib\/private\/AppFramework\/Utility\/SimpleContainer.php",
"line": 98,
"function": "buildClass",
"class": "OC\\AppFramework\\Utility\\SimpleContainer",
"type": "->",
"args":
[
{
"name": "OC\\Core\\Controller\\PreviewController",
"__class__": "ReflectionClass",
},
],
},
{
"file": "\/z\/www\/nextcloud\/cloud.example.com\/php\/lib\/private\/AppFramework\/Utility\/SimpleContainer.php",
"line": 119,
"function": "resolve",
"class": "OC\\AppFramework\\Utility\\SimpleContainer",
"type": "->",
"args": ["OC\\Core\\Controller\\PreviewController"],
},
{
"file": "\/z\/www\/nextcloud\/cloud.example.com\/php\/lib\/private\/AppFramework\/DependencyInjection\/DIContainer.php",
"line": 424,
"function": "query",
"class": "OC\\AppFramework\\Utility\\SimpleContainer",
"type": "->",
"args": ["OC\\Core\\Controller\\PreviewController"],
},
{
"file": "\/z\/www\/nextcloud\/cloud.example.com\/php\/lib\/private\/AppFramework\/DependencyInjection\/DIContainer.php",
"line": 397,
"function": "queryNoFallback",
"class": "OC\\AppFramework\\DependencyInjection\\DIContainer",
"type": "->",
"args": ["OC\\Core\\Controller\\PreviewController"],
},
{
"file": "\/z\/www\/nextcloud\/cloud.example.com\/php\/lib\/private\/AppFramework\/App.php",
"line": 105,
"function": "query",
"class": "OC\\AppFramework\\DependencyInjection\\DIContainer",
"type": "->",
"args": ["OC\\Core\\Controller\\PreviewController"],
},
{
"file": "\/z\/www\/nextcloud\/cloud.example.com\/php\/lib\/private\/AppFramework\/Routing\/RouteActionHandler.php",
"line": 47,
"function": "main",
"class": "OC\\AppFramework\\App",
"type": "::",
"args":
[
"OC\\Core\\Controller\\PreviewController",
"getPreviewByFileId",
{
"__class__": "OC\\AppFramework\\DependencyInjection\\DIContainer",
},
{ "_route": "core.Preview.getPreviewByFileId" },
],
},
{
"function": "__invoke",
"class": "OC\\AppFramework\\Routing\\RouteActionHandler",
"type": "->",
"args": [{ "_route": "core.Preview.getPreviewByFileId" }],
},
{
"file": "\/z\/www\/nextcloud\/cloud.example.com\/php\/lib\/private\/Route\/Router.php",
"line": 297,
"function": "call_user_func",
"args":
[
{
"__class__": "OC\\AppFramework\\Routing\\RouteActionHandler",
},
{ "_route": "core.Preview.getPreviewByFileId" },
],
},
{
"file": "\/z\/www\/nextcloud\/cloud.example.com\/php\/lib\/base.php",
"line": 987,
"function": "match",
"class": "OC\\Route\\Router",
"type": "->",
"args": ["\/core\/preview"],
},
{
"file": "\/z\/www\/nextcloud\/cloud.example.com\/php\/index.php",
"line": 42,
"function": "handleRequest",
"class": "OC",
"type": "::",
"args": [],
},
],
"File": "\/z\/www\/nextcloud\/cloud.example.com\/php\/core\/Controller\/PreviewController.php",
"Line": 64,
"CustomMessage": "--",
},
"userAgent": "Mozilla\/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/78.0.3904.70 Safari\/537.36",
"version": "15.0.8.1",
}
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php
$CONFIG = array (
'instanceid' => 'ocb3n931r7c0',
'passwordsalt' => 'wR08O+v5KfQ5AJfMXX/VieR+GiHo++',
'secret' => 'OeIhLZcSa4dHbG14Ktl/SiC5SvvmV9FYsdZPRNTNcZxm4fP/',
'trusted_domains' =>
array (
0 => 'cloud.example.com',
),
'datadirectory' => '/z/www/nextcloud/cloud.example.com/data',
'overwrite.cli.url' => 'https://cloud.example.com',
'dbtype' => 'mysql',
'version' => '15.0.8.1',
'dbname' => 'cloud_example_com',
'dbhost' => 'localhost:/run/mysqld/mysqld.sock',
'dbport' => '',
'dbtableprefix' => 'oc_',
'dbuser' => 'cii',
'dbpassword' => 'XXXXXXXXXXX',
'logtimezone' => 'UTC',
'installed' => true,
'maintenance' => false,
'loglevel' => 2,
'updater.release.channel' => 'production',
'mail_smtpmode' => 'smtp',
'mail_from_address' => 'no-reply',
'mail_domain' => 'cloud.example.com',
'mail_smtpauthtype' => 'LOGIN',
'mail_smtphost' => 'mail.example.com',
'mail_smtpport' => '587',
'memcache.local' => '\\OC\\Memcache\\APCu',
'theme' => '',
'mail_smtpauth' => 1,
'mail_smtpname' => 'no-reply@cloud.example.com',
'mail_smtppassword' => 'XXXXXXXXXXX',
'mail_smtpsecure' => 'tls',
);
The output of your Apache/nginx/system log in /var/log/____:
1.2.3.4 - - [31/Oct/2019:12:56:02 +0000] "GET / HTTP/2.0" 503 0 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.70 Safari/537.36"