Unable to login with "No create permission for folder /avatars"

Steps to reproduce
1.fresh install , login with admin , enable external user , modify the config.php with my IMAP Server
2. login with imap account

Expected behaviour
Tell us what should happen

Actual behaviour
IMAP user were unable to login , the log shows error with create avatar folder

Server configuration
Operating system:CentOS 6.6
Web server: Apache 2.2
Database: MySQL 5.1
PHP version:5.6
ownCloud version (see ownCloud admin page): 10.0.0(stable)
Updated from an older ownCloud or fresh install: fresh install
Special configuration (external storage, external authentication, reverse proxy, server-side-encryption):
external auth wuth imap server

ownCloud configuration

I see no generate config report in admin section, here is the config.php
<?php
$CONFIG = array (
  'instanceid' => 'ockorxp22pc7',
  'passwordsalt' => 'Zc1z8/CyftNpNVigaWe0aUPK+D/EXV',
  'secret' => '99AazKcTvGOxnTKZSBisx9g4yh/ZD/E+K9REPG+VWxM2YHGe',
  "log_type" => "owncloud",
  "logfile" => "owncloud.log",
  "loglevel" => "3",
  "logdateformat" => "F d, Y H:i:s",
  'trusted_domains' =>
  array (
    0 => 'nxc.pictaf.com.tw',
  ),
  'datadirectory' => '/owncloud_data',
  'overwrite.cli.url' => 'https://nxc.pictaf.com.tw',
  'dbtype' => 'mysql',
  'version' => '10.0.0.12',
  'dbname' => 'owncloud',
  'dbhost' => 'localhost',
  'dbtableprefix' => 'oc_',
  'dbuser' => 'oc_admin',
  'dbpassword' => 'jtbWjm03HSOhqHOBU35CfU2P6laY+d',
  'logtimezone' => 'UTC',
  'installed' => true,
  'mail_from_address' => 'oc',
  'mail_smtpmode' => 'smtp',
  'mail_domain' => 'pictaf.com.tw',
  'mail_smtphost' => '192.168.70.240',
  'mail_smtpport' => '10025',
"user_backends" => array (
    0 => array (
            "class"     => "OC_User_IMAP",
            "arguments" => array (
                              0 => '{192.168.70.240:993/imap/ssl/novalidate-cert}',
                              ),
    ),
),
);

ownCloud log (data/owncloud.log)

{"reqId":"qVm7tmreR4PKd1mIlsBN","level":3,"time":"May 10, 2017 05:01:15","remoteAddr":"192.168.70.25","user":"mc","app":"index","method":"GET","url":"\index.php\apps\files\","message":"Exception: {\"**Exception\":\"OCP\Files\NotPermittedException\",\"Message\":\"No create permission for folder /avatars/d6\**",\"Code\":0,\"Trace\":\"#0 /var/www/owncloud/lib/private/AvatarManager.php(99): OC\Files\Node\Folder->newFolder('d6')\\n#1 /var/www/owncloud/lib/private/AvatarManager.php(120): OC\AvatarManager->getFolder(Object(OC\Files\Node\Folder), 'd6')\\n#2 /var/www/owncloud/lib/private/AvatarManager.php(91): OC\AvatarManager->getAvatarFolder(Object(OC\User\User))\\n#3 /var/www/owncloud/lib/private/TemplateLayout.php(101): OC\AvatarManager->getAvatar('mc')\\n#4 /var/www/owncloud/lib/private/legacy/template.php(230): OC\TemplateLayout->__construct('user', 'files')\\n#5 /var/www/owncloud/lib/public/AppFramework/Http/TemplateResponse.php(156): OC_Template->fetchPage()\\n#6 /var/www/owncloud/lib/private/AppFramework/Http/Dispatcher.php(112): OCP\AppFramework\Http\TemplateResponse->render()\\n#7 /var/www/owncloud/lib/private/AppFramework/App.php(98): OC\AppFramework\Http\Dispatcher->dispatch(Object(OCA\Files\Controller\ViewController), 'index')\\n#8 /var/www/owncloud/lib/private/AppFramework/Routing/RouteActionHandler.php(46): OC\AppFramework\App::main('ViewController', 'index', Object(OC\AppFramework\DependencyInjection\DIContainer), Array)\\n#9 [internal function]: OC\AppFramework\Routing\RouteActionHandler->__invoke(Array)\\n#10 /var/www/owncloud/lib/private/Route/Router.php(299): call_user_func(Object(OC\AppFramework\Routing\RouteActionHandler), Array)\\n#11 /var/www/owncloud/lib/base.php(909): OC\Route\Router->match('/apps/files/')\\n#12 /var/www/owncloud/index.php(49): OC::handleRequest()\\n#13 {main}\",\"File\":\"/var/www/owncloud/lib/private/Files/Node/Folder.php\",\"Line\":162}"}

Integrity status for oC9+

No errors have been found.

I find a similar topic in


and I follow the step to modify avatar lines , update permission from 17 to 31 , but didnt work.

I follow the steps in the link , modify the database , table oc_filecache , permissions column from 17 to 31 , and there`s some thing else in owncloud.log

{"reqId":"nngh9JUvZAtf6VUbXmtz","level":3,"time":"May 10, 2017 05:31:19","remoteAddr":"60.251.163.227","user":"mc","app":"index","method":"GET","url":"/index.php/apps/files/","message":"Exception: {\"Exception\":\"OCP\Files\NotFoundException\",\"Message\":\"\",\"Code\":0,\"Trace\":\"#0 /var/www/owncloud/lib/private/Files/Node/Node.php(217): OC\Files\Node\Node->getFileInfo()\n#1 /var/www/owncloud/lib/private/Files/Node/Node.php(117): OC\Files\Node\Node->getPermissions()\n#2 /var/www/owncloud/lib/private/Files/Node/Folder.php(151): OC\Files\Node\Node->checkPermissions(4)\n#3 /var/www/owncloud/lib/private/AvatarManager.php(99): OC\Files\Node\Folder->newFolder('fd')\n#4 /var/www/owncloud/lib/private/AvatarManager.php(120): OC\AvatarManager->getFolder(Object(OC\Files\Node\Folder), 'fd')\n#5 /var/www/owncloud/lib/private/AvatarManager.php(91): OC\AvatarManager->getAvatarFolder(Object(OC\User\User))\n#6 /var/www/owncloud/lib/private/TemplateLayout.php(101): OC\AvatarManager->getAvatar('mc')\n#7 /var/www/owncloud/lib/private/legacy/template.php(230): OC\TemplateLayout->construct('user', 'files')\n#8 /var/www/owncloud/lib/public/AppFramework/Http/TemplateResponse.php(156): OC_Template->fetchPage()\n#9 /var/www/owncloud/lib/private/AppFramework/Http/Dispatcher.php(112): OCP\AppFramework\Http\TemplateResponse->render()\n#10 /var/www/owncloud/lib/private/AppFramework/App.php(98): OC\AppFramework\Http\Dispatcher->dispatch(Object(OCA\Files\Controller\ViewController), 'index')\n#11 /var/www/owncloud/lib/private/AppFramework/Routing/RouteActionHandler.php(46): OC\AppFramework\App::main('ViewController', 'index', Object(OC\AppFramework\DependencyInjection\DIContainer), Array)\n#12 [internal function]: OC\AppFramework\Routing\RouteActionHandler->invoke(Array)\n#13 /var/www/owncloud/lib/private/Route/Router.php(299): call_user_func(Object(OC\AppFramework\Routing\RouteActionHandler), Array)\n#14 /var/www/owncloud/lib/base.php(909): OC\Route\Router->match('/apps/files/')\n#15 /var/www/owncloud/index.php(49): OC::handleRequest()\n#16 {main}\",\"File\":\"/var/www/owncloud/lib/private/Files/Node/Node.php\",\"Line\":97}"}

if I comment out 'datadirectory' => '/owncloud_data', use default path , there will be no error , user can login with IMAP account without error.
so maybe there`s some options must be modify if want to use own data directory ?

This would mean that the data directory is placed in the root partition (side by side to the /etc, /var folders). Its very unlikely that ownCloud (or better the webservers user running ownCloud) has the permissions accessing or creating a folder there.

You should also note that you can't move the data directory after the installation without additional modifications within your database:

https://doc.owncloud.org/server/10.0/admin_manual/maintenance/manually-moving-data-folders.html

I already chown the /owncloud_data to apache and chmod to u+rw , and login as apache , touch file in that folder is ok.
thanks for the hint , I will go through the first install wizard and see if the problem occur again.

Depending on your environment this isn't an adequate test for this issue. Other stuff like an open_basedir in your PHP configuration, SELinux or similar might prevent your webserver to write / access this folder where the shell user is still able to access it.

ok , thanks.
what if I mount /var/www/owncloud/data to a new bigger disk after install , is that ok ?