Month: December 2017

Admin Prestashop cannot login after migration

Unable login to Admin Prestashop after migration to another server

Try to resolve with following step by step but no success (https://stackoverflow.com/questions/11335073/prestashop-cant-login-in-admin)

  • Clear your browser cache and your cookies
  • Try using Firefox instead of Chrome (which seems have some unexpected problems)
  • Check PS_SHOP_DOMAIN and PS_SHOP_DOMAIN_SSL in ps_configuration table
  • Manually clear smarty cache : remove all files from tools/smarty/compile and tools/smarty/cache
  • Disable the IP check in classes/Cookie.php (this can causes many issues with dynamics IP) : in isLoggedBack(), remove or comment the fourth condition :
AND (!isset($this->_content['remote_addr']) OR $this->_content['remote_addr'] == ip2long(Tools::getRemoteAddr()) OR !Configuration::get('PS_COOKIE_CHECKIP'))
  • Make the expire time shorter for cookies (IE can have issues with longest time cookies) : in classes/Cookie.php constructor,
set : $this->_expire = isset($expire) ? (int)($expire) : (time() + 3600);
instead of $this->_expire = isset($expire) ? (int)($expire) : (time() + 1728000);

Another Solutions

Find last error log

#tail -f /var/log/apache2/error.log
#
.............................
[Tue Dec 26 06:46:40.753880 2017] [:error] [pid 3816] [client 100.1.10.22:43351] PHP Fatal error: Call to undefined function mcrypt_encrypt() in /var/www/html/classes/Rijndael.php on line 50
..............................

Solutions
Install php_mcrypt

On Windows

#;extension=php_mcrypt.dll to extension=php_mcrypt.dll
then restart your apache server

On Redhat

##yum install php55-mcrypt

//if php5.5

##yum install php-mcrypt

//if less than 5.4

##service httpd restart

//if apache 2.4

##/etc/init.d/httpd restart

//if apache 2.2 or less

On Ubuntu

##apt-get install php5-mcrypt
##service apache2 restart